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Armelle Abadie
Armelle Abadie
Armelle Abadie joined CMS Francis Lefebvre in 2006 and became a partner in 2022. She practices in indirect taxation, VAT, payroll tax, C3S (the French corporate social solidarity contribution), and invoicing tax rules (reliable audit trail (PAF) documentation). Armelle Abadie advises companies across all sectors of the economy on routine matters, monitoring and managing of tax audits and litigation, as well as undertaking specific assignments. She has acquired particular experience in the VAT rules applicable to property, insurance and banking, and advises foreign companies and French subsidiaries of multinationals on international VAT flows.
Christophe Aldebert
Christophe Aldebert
Christophe Aldebert joined CMS Francis Lefebvre in 1989 and became a partner in 2000. He practices in tax law with a particular focus on VAT and payroll taxes. He advises financial institutions, insurance companies, property groups, industrial and service companies on the VAT regime, indirect taxes on transactions, forming resource-pooling groups, VAT groups, and optimising restructuring operations (mergers and acquisitions, outsourcing). He assists clients in monitoring and management of tax audits and tax adjustments, and acts for them in tax litigation before the French and European courts (CJEU). Christophe Aldebert has also developed extensive experience litigating criminal tax law cases.
Elisabeth Ashworth
Elisabeth Ashworth
Elisabeth Ashworth joined CMS Francis Lefebvre in 2008 and became a partner in 2011. She practices in tax law and manages VAT, payroll taxes, and corporation tax for the firm's Tax Intelligence team, working closely with VAT teams across the firm. She has also developed extensive experience with tax audits. Through ongoing dialogue with the tax authorities, she plays an active role in developing new standards to transpose European Union law or to implement major national reforms of VAT, property VAT, income tax, corporation tax, taxes on goods and services, and electronic invoicing. Before joining CMS, Elisabeth Ashworth had a 20-year career with the tax authorities. She first headed up the team in charge of VAT deduction rules in the French Tax Policy Directorate (1997-2003) before leading the team of technical experts in charge of corporate and local authority tax affairs in the Tax Audit division (2003-2007).
Eva Aubry
Eva Aubry
Eva Aubry joined CMS Francis Lefebvre in 2008 and became a partner in 2025. She practices in tax law. She advises French and international groups on a range of matters, including tax management (tax consolidation, intra-group relations, compliance, etc.), restructuring, tax audits, acquisitions, leveraged buyouts (LBOs), negotiation of authorisations and approvals, and advance tax rulings. She assists clients during tax audits and any resulting litigation. Eva Aubry also advises on tax law as applied to non-profits organisations and provides advice to executives on personal and asset planning tax.
Stéphane Austry
Stéphane Austry
Stéphane Austry joined CMS Francis Lefebvre in 2007 as a partner. He leads the firm’s tax litigation and controversy practice. He is a highly experienced litigator in tax cases. He mainly represents large companies in proceedings in domestic jurisdictions (before the Conseil d’Etat and the Constitutional Council), and before the international courts (the Court of Justice of the European Union and the European Court of Human Rights). Stéphane Austry also advises clients on international tax issues and on the interpretation and application of tax treaties.
Annabelle Bailleul-Mirabaud
Annabelle Bailleul-Mirabaud
Annabelle Bailleul-Mirabaud joined CMS Francis Lefebvre in 2003 and became a partner in 2018. She practices in tax law and works with large international corporate groups, advising on international taxation, assisting with audits, and representing them in litigation proceedings. Her practice covers: Determining where tax is paid on activities and transactions (effective management headquarters, permanent establishment, taxation of cross-border flows); Defining, structuring, and defending transfer pricing policy; Implementing Pillar 2; Structuring mergers and acquisitions and cross-border restructuring operations. Annabelle Bailleul-Mirabaud also advises on international executive compensation (including stock options, bonus shares, inpats and expats).
Benoit Bailly
Benoit Bailly
Benoît Bailly joined CMS Francis Lefebvre in 2007 and became a partner in 2019. He practices in tax law and advises executives, entrepreneurs, and high-net-worth families on the tax aspects of managing their business and personal assets. For businesses, he handles disposals, contributions, and transfers, including under the “Pacte Dutreil”, a favourable tax regime for transferring family businesses. For individuals, he advises on matters including gifts, exit tax and property. He’s clients include private banks, trusts, and French and international family offices. Benoît Bailly also works with investment funds on portfolio structuring, financing and refinancing, and on compensation packages for fund managers. He advises corporate groups and companies on international investments, particularly in the luxury hotel sector. In addition, he supports clients in their dealings with the tax authorities, including audits, litigation, and compliance.
Ghislain Beaure d’Augères
Ghislain Beaure d’Augères
Ghislain Beaure d’Augères joined CMS Francis Lefebvre in 1994 and became a partner in 2003. He practices in employment, labour and pensions law, with a focus on personnel management (covering civil servants, contract staff, temporary employees, etc.) in both the public and private sectors. He assists public sector entities (state bodies, local authorities, public entities, etc.) that plan to embark on wide-ranging reorganisation projects while avoiding labour relations conflicts. He also advises private sector organisations (companies, associations, etc.) that employ civil servants and wish to explore the implications of an internal reorganisation for their personnel. Ghislain Beaure d’Augères defends his clients in disputes arising from restructuring, including on employee representative bodies, freedom of movement for employee representatives in national defence companies, and compensation of public officials.
Jean-René Benichou
Jean-René Benichou
Jean-René Bénichou joined CMS Francis Lefebvre in 1987 and became a partner in 2001. He practices in tax law and advises French and international groups on tax management (tax consolidation, intra-group relations, etc.), restructuring (mergers, spin-offs, demergers, etc.), tax audits, acquisitions, leveraged buyouts, arranging and structuring financing, and negotiating tax authorisations in domestic or international set-ups. Jean-René Bénichou also assists clients during tax audits and any resulting litigation. He's practice also includes environmental tax and taxation of non-profits organisations.
Jean-Charles Benois Benois
Jean-Charles Benois Benois
Jean-Charles Benois joined CMS Francis Lefebvre in 2012 and became a partner in 2019. He practices in tax law with a particular focus on direct company taxation. He advises clients on all aspects of taxation of French and international companies. He has developed extensive experience in restructuring, tax consolidation, structuring intra-group relations and advance tax rulings. He also advises on transaction taxation and private equity (mergers and acquisitions, leveraged buyouts (LBOs), negotiating financing and refinancing agreements, etc.). He assists individuals, shareholders and senior executives on their personal, professional (employee shareholding schemes and/or profit-sharing plans), and asset planning tax. Jean-Charles Benois advises and represents clients in pre-litigation and litigation procedures.
Jean-Philippe Bidegainberry
Jean-Philippe Bidegainberry
Jean-Philippe Bidegainberry joined CMS Francis Lefebvre in 1997 and became a partner in 2008. He practices in tax law and assists French and international groups in the following areas : assistance in managing group tax (calculation of taxable income, managing deficits, managing intra-group relations), tax consolidation (setting up tax consolidation groups, preparing consolidated tax reporting packages, monitoring unrealised tax benefits and liabilities, and other complex issues), restructuring and financing, tax audits, and tax litigation.
Benjamin Bill
Benjamin Bill
Benjamin Bill joined CMS Francis Lefebvre in 2018 as a partner. He practices in real estate law and advises on setting up complex property projects, particularly those entailing the acquisition and disposal of property assets or companies – projects that involve French and European property portfolios spanning all kinds of managed commercial and residential assets. He works with clients on project structuring and the formation of partnerships and joint ventures. He also advises on commercial lease agreements. His clients include French and international institutions. Benjamin Bill is also qualified as a Rechtsanwalt (lawyer) in Germany.
Pierre Bonneau
Pierre Bonneau
Pierre Bonneau joined CMS Francis Lefebvre in 1999 and became a partner in 2012. He practices in employment, labour and pensions law, as well as in criminal employment law. He acts in advice and litigation proceedings. He has a strong track record, especially in handling complex cases, on behalf of companies operating in a wide range of sectors, including banking and finance, industry, print media, public services, transport, services, tourism, and real estate. Pierre Bonneau provides his clients with day-to-day support on the legal aspects of labour relations in the conduct of their operations, particularly change management, and defends their interests in high-stakes litigation.
Alexandre Bordenave
Alexandre Bordenave
Alexandre Bordenave joined CMS Francis Lefebvre in 2009 and became a partner in 2021. He practices in banking and finance law. He advises banks and their customers on structuring and negotiating assignment of receivables (including securitisation of commercial receivables and the disposal of non-performing loan portfolios, etc.) and structured finance transactions (distressed/new money, and debt forbearance). He has acquired in-depth experience in finance, with a focus on trusts, securities, and management across all asset types (securitisation, cash, property, etc.). Alexandre Bordenave is also an experienced litigator in technical financial cases.
Raphaël Bordier
Raphaël Bordier
Raphaël Bordier joined CMS Francis Lefebvre in 1996 and became a partner in 2009. He practices in employment, labour and pensions law. He advises French and international corporates and represents them in litigation. His practice covers all aspects of individual and collective employment relations and management of employment litigation. Raphaël Bordier is highly experienced in managing collective employment relations, collective bargaining, restructuring, and business transfers.
Jean-Fabrice Brun
Jean-Fabrice Brun
Jean-Fabrice Brun joined CMS Francis Lefebvre in 2004 and became a partner in 2016. He is joint manager of the firm's Dispute Resolution department. He advises a broad range of corporate, individual, government, and public clients. He is an experienced litigator and represents clients in high-stakes litigation proceedings before the national civil, commercial, financial, and criminal courts. Jean-Fabrice Brun is highly skilled in international arbitration. He has represented several international groups in strategic litigation proceedings in the agri-foods, banking, insurance, and aviation sectors.
Alexis Bussac
Alexis Bussac
Alexis Bussac joined CMS Francis Lefebvre in 2007 and became a partner in 2024. He practices in local taxation of commercial and industrial companies. Alexis Bussac advises large French corporates, on all issues related to land taxes, the local economic contribution (contribution économique territoriale, CET), the business land tax (cotisation foncière des entreprises, CFE), the tax on business added value (cotisation sur la valeur ajoutée des entreprises, CVAE), the tax on commercial spaces payable by retailers (TASCOM), the local tax paid by energy, rail and telecommunications companies in France (IFER), the annual tax on offices, commercial spaces and warehouses in the Paris region (TSB), and the tax on parking spaces (TASS). His practice covers: review and optimisation of the rental values of business premises on which land tax and business land tax (CFE) are paid; assistance with handling tax audits and tax litigation; preparation of advance tax rulings and amendments to legislation; assistance with restructuring projects, mergers and acquisitions; assessment of the impact of choice of location; advice on and estimates of the tax consequences of new building construction, building demolition or restructuring.
Nicolas Callies
Nicolas Callies
Nicolas Callies joined CMS Francis Lefebvre in 1990 and became a partner in 2001. He practices in employment, labour and pensions law and advises on collective bargaining, relationships with employee representatives, reorganisation and restructuring, collective disputes, terminating employment contracts, discrimination and harassment cases, individual disputes, social security administration (URSSAF) inspections and litigation, the status of senior executives, compensation packages, and employee saving plans. Nicolas Callies assists companies of all sizes, as well as employers’ federations in negotiations.
Pierre Carcelero
Pierre Carcelero
Pierre Carcelero joined CMS Francis Lefebvre in 2002 and became a partner in 2017. He practices in tax law with a particular focus on corporate and corporate group taxation. His work covers tax structuring of mergers and acquisitions and corporate restructuring, management of group tax, and representing clients in litigation proceedings. He also advises on property and financial taxation, acting for semi-state companies and local authorities, and on the taxation of public–private partnerships. Pierre Carcelero represents clients during tax audits and tax litigation proceedings.
Laurent Chatel
Laurent Chatel
Laurent Chatel joined CMS Francis Lefebvre in 1990 and became a partner in 2003. His practice centres on local taxation, with a focus on the CET (local economic contribution comprising the business property tax (CFE) and the tax on business added value (CVAE)); IFER (a local tax paid by energy, rail and telecommunications companies in France); land tax on built properties and on undeveloped land; waste collection tax (TEOM); tax on the sale of land that has become suitable for building; tax on commercial brownfield sites; tax on offices, commercial premises, warehouses and parking spaces (in the Ile-de-France and Provence-Alpes-Côte d'Azur regions); residence tax payable by companies and individuals; tax on vacant housing units; local tax on outdoor signage (TLPE); visitors’ tax; and the tax on commercial spaces payable by retailers (TASCOM). Laurent Chatel advises clients including professional organisations and was an expert contributor to the national taxation conference on tax reform. He also gives seminars on how the government’s annual budget affects local taxes and leads training programmes on complex issues related to the CET, land tax, TLPE, TASCOM and other local taxes.
Ludovique Clavreul
Ludovique Clavreul
Ludovique Clavreul joined CMS Francis Lefebvre in 2006 and became a partner in 2024. She practices in employment law, with a particular focus on collective bargaining negotiations, personnel representation, organisation of working time, pay, gender equality, corporate restructuring, litigation, and senior management status. Ludovique Clavreul also works in compliance and internal investigations. Ludovique Clavreul advises large French and international groups in both the public and private sectors.
Michel Collet
Michel Collet
Michel Collet joined CMS Francis Lefebvre in 1994 and became a partner in 2002. He practices in tax law and advises clients on: – mergers & acquisitions and private equity; – financial and property investments; – international financing and complex tax restructuring. He's clients include French and international investment funds, banks, and listed and private companies. He also advises local authorities and French states and territories, including Saint-Barthélemy and Guadeloupe, primarily on tax policy. Michel Collet works with private clients – families, business leaders, artists and sports professionals – on structuring their private, property and professional assets, particularly in an international context. He represents clients in dealings with the tax authorities, in pre-litigation and litigation proceedings, including before the European Court of Human Rights.
Virginie Corbet-Picard
Virginie Corbet-Picard
Virginie Corbet-Picard joined CMS Francis Lefebvre in 2007 and became a partner in 2023. Her practice covers all aspects of corporate law for listed and private clients across a wide spectrum of industries. She handles all issues related to transactions involving business consolidation and restructuring (mergers, spin-offs, domestic and cross-border reorganisations), private equity and management packages. She also counsels companies and corporate groups on governance issues, including appointment of corporate officers, limits on the powers of directors, executive compensation, delegation of authority and succession planning. Virginie Corbet-Picard assists clients with their sustainability reporting obligations (CSRD) and with drafting corporate and legal documents.
Xavier Daluzeau
Xavier Daluzeau
Xavier Daluzeau joined CMS Francis Lefebvre in 1997 and became a partner in 2012. He practices in tax law with a focus on transfer pricing and cross-border restructuring and acquisitions. He advises on drafting transfer pricing documentation and policy, reorganisations, acquisitions, avoiding double-taxation, and preliminary agreements on transfer pricing. He works with companies across a range of sectors, including banking, asset management, consumer goods, media and communication, cosmetics, and pharmaceuticals. Xavier Daluzeau also supports clients during tax audits and litigation.
Sarah Dardour-Attali
Sarah Dardour-Attali
Sarah Dardour-Attali joined CMS Francis Lefebvre in 2015 and became a partner in 2023. She practices in tax law and supports clients in tax audits and litigation. Sarah Dardour-Attali handles applications for advance tax rulings and acts for clients in litigation involving interpretation of constitutional rights. Her practice includes recours pour excès de pouvoir (judicial review of administrative action), priority preliminary rulings on constitutionality (QPC), as well as interlocutory questions before the Court of Justice of the European Union. Sarah Dardour-Attali also has a solid track record in advising and assisting clients in general corporate and transaction tax matters.
Mathieu Daudé
Mathieu Daudé
Mathieu Daudé joined CMS Francis Lefebvre in 2004 and became a partner in 2019. He practices in tax law with a focus on advisory and litigation matters involving international intra-group transactions (restructuring and transfer pricing) for French and foreign multinationals groups. He advises multinationals on the application of tax treaties and restructuring (mergers, financing, refinancing, asset transfers). His practice also extends to international property transactions, international asset planning taxation (including residency, estate planning, and international asset restructuring). He has developed extensive experience in the treatment of trusts under French tax law.
Jean-Hugues de la Berge
Jean-Hugues de la Berge
Jean-Hugues de la Berge joined CMS Francis Lefebvre in 2011 and became a partner in 2022. He practices in tax law and advises family groups on direct taxation issues (company tax, tax consolidation, mergers and acquisitions, and corporate restructuring) and represents them in litigation proceedings. He has considerable experience in property law and taxation of financial products. Jean-Hugues de la Berge has built a significant practice advising entrepreneurs and shareholders on asset taxation, with a focus on business transfers (under the “Pacte Dutreil” – a favourable tax regime for the transfer of family businesses).
Agnès de l\'Estoile Campi
Agnès de l\'Estoile Campi
Agnès de l'Estoile Campi joined CMS Francis Lefebvre in 1995 and became a partner in 2006. She practices in tax law, advising French multinationals on mergers and acquisitions, corporate reorganisation, transfer pricing, tax structuring of complex international contracts, tax strategy and tax optimisation, as well as the international mobility of senior executives. Having practised for four years in São Paulo, she has extensive experience in all aspects of French-Brazilian and Latin American taxation issues. Agnès de l'Estoile Campi also advises large French groups on expanding into international markets, particularly Latin America and emerging markets, including India and China.
Damien Decolasse
Damien Decolasse
Damien Decolasse joined CMS Francis Lefebvre in 2002 and became a partner in 2018. He practices in employment, labour and pensions law and has a particular focus on the organisation of working time, pay policy, relations with employee representatives and collective bargaining, employment protection plans, European harmonisation of HR policies, retirement and benefit plans and management of international mobility, national and international restructuring projects, setting up employee shareholding schemes, mergers & acquisitions, spin-offs, secondment and expatriation of employees, company audits, social security audits, hiring, and termination of individual employment contracts.
Pierre Dedieu
Pierre Dedieu
Pierre Dedieu joined CMS Francis Lefebvre in 1999 and became a partner in 2009. He practices French and international tax law with a focus on wealth and transaction tax. He also has extensive experience representing clients in tax litigation proceedings, including representing clients in dealings with the tax authorities during tax audits and tax raids, and before the civil and administrative courts. Pierre Dedieu supports family groups on the French and international aspects of structuring and transferring their assets. He advises entrepreneurs, senior executives of international groups and fund managers on creating asset-holding structures, compensation packages and international mobility. His practice also extends to advising non-residents on structuring their property investments in France.
Vincent Delage
Vincent Delage
Vincent Delage joined CMS Francis Lefebvre in 1999 and became a partner in 2010. He practices in employment, labour and pensions law with a focus on managing individual and collective workplace relations and employee savings schemes. He also advises clients on the status of senior executives (corporate offices and senior managers) and ensures the labour relations aspects of corporate restructuring and reorganisation are implemented and monitored. His clients include companies in the pharmaceutical, information technology, advertising and media, communications, social housing, aeronautics, property, transport and logistics, and agri-food sectors.
Alexandre Delhaye
Alexandre Delhaye
Alexandre Delhaye joined CMS Francis Lefebvre in 2001 and became a partner in 2015. He practices in Corporate/M&A and assists French and international corporate groups, private equity funds, family groups and entrepreneurs with their transactions in France and abroad. His practice includes: national and international transactions (disposals, acquisitions, joint-ventures, venture capital, private equity, distressed assets, hotel management contracts, etc.); reorganisation and restructuring; executive policy (management packages); shareholder relations (shareholder agreements, governance, etc.) and disputes between shareholders or arising post-disposal (representations and warranties, sale price, etc.). Alexandre Delhaye works across a broad spectrum of sectors, including technology, media & communications, industry (construction and public works, defence, aerospace, chemicals, etc.), infrastructure, hotels & leisure, distribution and financial services.
Chloé Delion
Chloé Delion
Chloé Delion joined CMS Francis Lefebvre in 2012 and became a partner in 2025. She practices in tax law with a particular focus on company and group taxation, mergers and acquisitions, private equity, and restructuring. She also advises shareholders and senior executives on personal tax matters and on structuring compensation plans. She advises and represents clients during tax audits and litigation. Chloé Delion is highly experienced in property investment and international taxation. Her practice covers international restructuring, cross-border operations, and international mobility issues.
Arnaud Donguy
Arnaud Donguy
Arnaud Donguy joined CMS Francis Lefebvre in 1993 and became a partner in 2010. He practices in tax law and advises clients on corporation tax, tax consolidation, domestic and cross-border business restructuring (mergers, spin-offs, demergers), and complex overlapping tax and accounting problems of calculating taxable income. Arnaud Donguy also works with clients on acquisitions, leveraged buyouts (LBOs), and arranging and structuring financing solutions. He acts for a large number of clients in tax audits and any ensuing litigation.
Philippe Donneaud
Philippe Donneaud
Philippe Donneaud joined CMS Francis Lefebvre in 1995 and became a partner in 2007. He practices in tax law on all aspects of direct taxation for companies and senior executives, providing advice and representing them in litigation proceedings. He advises clients on the tax planning, structuring and management of their corporate operations and transactions. Philippe Donneaud assists with strategic planning and decision-making (financial and asset-related). He also provides advice to address ongoing and ad hoc tax issues. He represents clients in their dealings with the tax authorities, during pre-litigation and litigation proceedings, and in advance tax rulings and authorisation procedures. Philippe Donneaud also has extensive knowledge and experience of mergers and acquisitions, advising on the tax implications of acquisitions and disposals, corporate groups, mergers, and financial flows.
Pierre-Jean Douvier
Pierre-Jean Douvier
Pierre-Jean Douvier joined CMS Francis Lefebvre in 1986 and became a partner in 1991. He is based in Monaco. He practices in tax law. He works on international relations, tax conventions and agreements, European community law, OECD rules (base erosion and profit shifting, mutual administrative assistance, and exchange of information), European tax law, property law, inheritance and gifts, wealth tax, criminal tax law and anti-money laundering, trusts and foundations, legal, regulatory and tax regimes in and related to Monaco, international tax litigation, regulatory and tax compliance, and taxation of cross-border transactions (financing and refinancing, hybrid transactions, structural reorganisation, transfer pricing, permanent establishment, and effective management). Pierre-Jean Douvier advises families, family offices, French, European, US, and Asian multinationals.
Grégory Dumont
Grégory Dumont
Grégory Dumont joined CMS Francis Lefebvre in 2007 and became a partner in 2021. He practices in private client law. He advises clients on the transfer of their business assets within family groups, contingency planning for the consequences of a divorce or inheritance for clients’ assets, and the civil law aspects of international property and personal issues in the context of growing mobility. Grégory Dumont works mainly with senior company executives and high-net-worth individuals. He assists clients in litigation procedures (contested divorce and inheritance cases) and with asset planning taxation. He’s practice areas are the law on gifts, marriage regimes, inheritance law, joint possession law, division of property, life insurance, international private law, incapacity law, and capital transfer tax (on donations and inheritance).
Deana d’Almeida
Deana d’Almeida
Deana d’Almeida joined CMS Francis Lefebvre in 2015 and became a partner in 2020. She practices in international tax law of African countries and advises French and international companies operating on the African continent. Deana d’Almeida brings a wealth of experience across all areas of taxation. She offers clients a comprehensive approach covering all key project stages, from structuring and set-up to launch, expansion, and eventual exit from Africa. With her deep experience and in-depth knowledge of the African ecosystem, she offers clients pragmatic, tailored, and practical solutions across all sectors of the economy.
Benoît Foucher
Benoît Foucher
Benoît Foucher joined CMS Francis Lefebvre in 2006 and became a partner in 2023. He practices in tax law and advises French and international banks on their asset financing, structured financing and trading activities. He also advises asset managers on the taxation of investment funds. Benoît Foucher regularly represents clients in tax audits and litigation proceedings involving banks. His work often involves issues related to financial markets and the financial arrangements of large corporates. An amateur trumpeter, Benoît Foucher is recognised as an expert on Aubertin trumpets and has written several articles on these instruments in specialist publications.
Christophe Frionnet
Christophe Frionnet
Christophe Frionnet joined CMS Francis Lefebvre in 1997 and became a partner in 2009. He practices in direct taxation with a particular focus on taxation of corporate groups and non-profits, asset planning tax and property tax. He advises and represents clients during tax audits and litigation. He regularly assists groups with the tax aspects of HR management, including management packages, employee savings schemes, and profit-sharing plans. He also advises on leveraged buyouts (LBOs) and leveraged management buyouts (LMBOs)
Caroline Froger-Michon
Caroline Froger-Michon
Caroline Froger-Michon joined CMS Francis Lefebvre in 2003 and became a partner in 2015. She is a member of the CMS Employment, Labour & Pensions Group, working with a 600-strong international team of lawyers. She practices in employment and labour law. During restructuring operations, she advises clients on transitioning employment contracts, post-merger alignment of employee status, procedures for informing and consulting staff, and managing negotiations with personnel representatives. She also handles the labour law aspects of mergers and acquisitions, assisting with due diligence, the employment aspects of the legal structure of the new entity, negotiations with staff, and post-acquisition monitoring. Caroline Froger-Michon advises on the legal aspects of individual and company-wide employee relations, voluntary redundancy plans, and personnel representative rights. She provides support to international companies and corporate groups based in France or considering setting up in France. She also advises on internal investigations, with a particular focus on bullying and harassment cases.
Frédéric Gerner
Frédéric Gerner
Frédéric Gerner joined CMS Francis Lefebvre in 1999 and became a partner in 2015. He practices in tax law with a particular focus on corporate taxation. He has extensive experience in restructuring, tax consolidation, and taxation of French and international groups more broadly. He has also developed specific in-depth knowledge of property sector taxation. His clients include developers, property subsidiaries of major banks, property investment advisers, and listed real estate investment companies (SIIC). Frédéric Gerner advises companies on setting up and managing their tax policies. He represents clients in their dealings with the tax authorities, including handling requests for technical decisions and managing tax audits. He is also an experienced tax litigator.
Cathy Goarant-Moraglia
Cathy Goarant-Moraglia
Cathy Goarant-Moraglia joined CMS Francis Lefebvre in 1995 and became a partner in 2006. She is chairman of the firm's Advisory Board since 2024. She practices in tax law and advises companies and local authorities with a focus on local taxation: the local economic contribution (CET), the business land tax (CFE), the tax on business added value (CVAE), the land tax on built properties and undeveloped land, the tax on offices, commercial spaces, warehouses, and parking spaces in the Paris region, the residence tax on companies and individuals, the local tax on outdoor signage (TLPE), and the tax on commercial spaces (TASCOM).
Benoît Gomel
Benoît Gomel
Benoît Gomel joined CMS Francis Lefebvre in 2015 and became a partner in 2023. He practices in mergers and acquisitions and private equity transactions, representing clients across a range of sectors, including industry and investment funds, as well as senior executives and company founders. He advises industrial clients and infrastructure funds on all aspects of complex, long-term corporate projects. He also advises industrial groups and investment funds on establishing joint ventures. Benoît Gomel has a successful track record in the health sector and extensive experience in multi-jurisdictional complex transactions.
Philippe Gosset
Philippe Gosset
Philippe Gosset joined CMS Francis Lefebvre in 2012 and became a partner in 2022. He practices in tax law with a focus on estate planning and transactions. He advises entrepreneurs, high-net-worth individuals, private banks and family offices on the tax aspects of asset planning. His practice covers transfers (under the “Pacte Dutreil”, a favourable tax regime for the transfer of family businesses;  apport-cession, i.e. contribution-disposal of securities under Article 150-0 B ter of the French Tax Code; and, donation-cession, gift followed by sale), equity savings plans, business property financing, property wealth tax, life insurance policy taxation, etc. He also consults on employee and executive compensation, including founder share subscription warrants, bonus shares, employee share ownership and mobility. Philippe Gosset advises and handles litigation for corporate groups on corporate tax issues. He also assists investment funds on the tax implications of acquisition and refinancing transactions.
Renaud Grob
Renaud Grob
Renaud Grob joined CMS Francis Lefebvre in 1994 and became a partner in 2004. He practices in tax law with a focus on direct taxation issues for corporate clients, including corporation tax, tax consolidation, taxation of dividends, under-capitalisation, tax agreements, and tax credits. He also advises and assists companies on financial taxation (including advising numerous financial institutions / taxation of financial products), taxation of restructuring operations (mergers, transfer of all assets and liabilities, spin-offs, demergers), arrangement and negotiation of approval applications (branches, transfer of deficits, contribution-allocation), property taxation ((acquisition and disposal of property and of shares in companies whose main assets are real estate; outsourcing to property investment companies (SIIC-SPPICAV), construction leases, payment in kind, contribution of land to civil construction and sale companies (SCCV), construction, revaluation)), tax audits (negotiation of customised solutions with the tax authorities or the Minister's office, monitoring of tax litigation), transaction taxation (acquisition, disposal, leveraged buyouts), taxation of compensation (stock options, bonus share allocations, employee profit-sharing, incentive schemes, etc.).
Dimitar Hadjiveltchev
Dimitar Hadjiveltchev
Dimitar Hadjiveltchev joined CMS Francis Lefebvre in 2001 and became a partner in 2016. He is co-heading the CMS Private Clients group since 2020. He advises high-net-worth individuals and families on complex national and international tax cases, including wealth and income structuring, intergenerational transfer planning, and supports clients in their international projects, whether in the context of their investment projects, particularly in luxury real estate and vineyards, or in their professional projects, as well in the determination of their tax residence. His expertise includes the advisory work for foreign trusts and similar structures, with respect to their tax treatment and their compliance duties. Dimitar Hadjiveltchev also assists his individual clients with their tax compliance (review, preparation, filing of personal tax returns - income tax, wealth tax and self-disclosure procedures) In his corporate practice, he supports French and international companies and groups in managing the preferred income tax regimes that can be applied to executives and high-potential managers. In the area of compliance, he coordinates and manages issues relating to personal tax returns (income tax, wealth tax, gift and inheritance tax returns) as well as the returns for the administrators of trusts and similar entities. Dimitar Hadjiveltchev also assesses whether clients’ situations or projects present potential risks in terms of anti-money laundering rules or rules against aggressive tax planning (DAC 6).
Mohamed Haj Taieb
Mohamed Haj Taieb
Mohamed Haj Taieb joined CMS Francis Lefebvre in 2015 and became a partner in 2024. He practices in tax law with a focus on transfer pricing, company valuation, management packages, and intangible assets. He advises international corporate groups on defining, managing, and defending their transfer pricing policies. He provides initial strategic counsel, analyses transfer pricing documentation, represents clients during tax audits, and assists with amicable and contentious dispute resolution. Mohamed Haj Taieb has extensive experience in asset valuation in a broad range of contexts, including legal restructuring, disposals and acquisitions, litigation, equity and debt transactions, and management packages.
William Hamon
William Hamon
William Hamon joined CMS Francis Lefebvre in 2007 and became a partner in 2023. He practices on VAT, indirect taxes, and payroll taxes across all sectors, with an emphasis on industrial and commercial businesses (luxury goods, cosmetics, defence, automotive, agri-foods and data centres). He advises companies on transactions both within and outside the European Union. He supports clients during tax audits and individual and collective rulings, and represents clients in tax litigation proceedings. William Hamon also has extensive experience handling issues faced by holding companies. He has successfully represented many clients in resolving disputes related to the C3S (French corporate social solidarity contribution).
François Hellio
François Hellio
François Hellio joined CMS Francis Lefebvre in 1990 and became a partner in 2001. He was appointed chairman of the firm's Management Board in 2024. He practices in tax law and advises clients on all aspects of international taxation with a particular focus on transfer pricing and litigation. François Hellio advises French and international listed corporate groups and family businesses on financing and structuring their investments, including property investments, in France and other countries. In addition to his core practice, he also advises clients on managing tax litigation. Backed by more than six years in our Berlin office, he brings in-depth knowledge of Franco-German taxation.
Laurent Hepp
Laurent Hepp
Laurent Hepp joined CMS Francis Lefebvre in 1992 and became a partner in 2004. He practices in tax law and advises French and international corporate groups on all aspects of their tax affairs in France. He has a particular focus on the tax structuring of corporate transactions. He regularly operates in private equity sector, advising investment fund on tax structuring of acquisitions, and on all aspects of taxation for funds and their unitholders. Laurent Hepp also assists entrepreneurs, shareholders, senior executives and private clients with their personal and asset planning tax matters.
Alain Herrmann
Alain Herrmann
Alain Herrmann joined CMS Francis Lefebvre in 1992 and became a partner in 2007. He practices in employment, labour and pensions law with a focus on national and international restructuring (particularly Franco-German) and employment protection plans. He regularly assists companies in their relations with employee representatives and in collective bargaining negotiations. Alain Herrmann also advises on international employee mobility and represents clients in social security litigation. His clients include consulting firms, banks, property companies, distribution companies, and multinationals.
Luc Jaillais
Luc Jaillais
Luc Jaillais joined CMS Francis Lefebvre in 1991 and became a partner in 2008. He practices in tax law with a focus on asset planning taxation. Luc Jaillais advises private banks, entrepreneurs and high-net-worth individuals on the tax aspects of asset planning. His practice covers business and asset transfers, contributions and gifts (including under the Pacte Dutreil, a favourable tax regime for the transfer of family businesses, apport-cession, contribution-disposal of securities under Article 150-0 B ter of the French Tax Code, and donation-cession, gift followed by sale). He advises on share savings plans, business property financing, property wealth tax and life insurance policy taxation. Luc Jaillais also consults on structuring employee and executive compensation, handling founder share subscription warrants, bonus shares, employee shareholding plans and mobility.
Olivier Kuhn
Olivier Kuhn
Olivier Kuhn joined CMS Francis Lefebvre in 2003 and became a partner in 2016. He is joint manager of our Dispute Resolution practice and handles the full spectrum of business litigation and criminal business law matters. He advises French and international clients on company law disputes, including conflicts between shareholders, liability of corporate officers, removal of corporate officers, enforcement of representations and warranties, and triggering of earn-out clauses. He also manages complex commercial litigation cases, including all forms of contract disputes at every stage (formation, performance and termination), all forms of tortious litigation, unfair competition, and the sudden termination of established commercial relations. His practice extends to a wide range of criminal business law proceedings, under criminal company law, criminal tax law, criminal employment law, criminal environment law, criminal competition and consumer law, criminal financial and stock market law, and press law.
Arnaud Le Boulanger
Arnaud Le Boulanger
Arnaud Le Boulanger joined CMS Francis Lefebvre in 2003 and became a partner in 2008. He practices in tax law and leads the CMS economics team responsible for transfer pricing, company valuation, and asset valuation analyses. He assists and advises clients throughout the tax process, from strategic counsel at planning stages to tax audit defence and litigation. He conducts audits of transfer pricing policies and documentation and offers structured solutions across the entire transfer pricing chain. He also assists clients with advance pricing agreements (APA) and amicable dispute resolution. Arnaud Le Boulanger has developed a comprehensive and integrated practice to provide French and international clients with the full range of taxation and economic analysis services. Company and asset valuation is a core part of his work. Valuation plays a critical role in transfer pricing and in the legal and tax transactions that arise during reorganisation of companies or their shareholder base.
Dimitri Leboff
Dimitri Leboff
Dimitri Leboff joined CMS Francis Lefebvre in 1999 and became a partner in 2013. He acts for French and international corporate groups on direct taxation (day-to-day tax matters, tax consolidation, transfer pricing, research tax credit (CIR), dividend taxation, audits, etc.), mergers and acquisitions, disposals and restructuring, as well as managing and assisting on tax audits and litigation. In addition to advising corporate tax, financial and accounting departments, he provides senior managers with asset planning advice. Dimitri Leboff coordinates all tax issues for his French and international corporate clients (in Europe, Asia, and America), drawing on the support of the CMS organisation.
Christophe Leclère
Christophe Leclère
Christophe Leclère joined CMS Francis Lefebvre in 2007 and became a partner in 2018. He practices in tax law and assists companies, corporate groups and non-profits on direct taxation (including corporation tax), frequently drawing on his in-depth knowledge of accounting. His work covers: General taxation, review of taxable income, corporate group taxation, taxation aspects of restructuring, financial and transaction taxation, innovation taxation, tax credits, and international tax law; Supporting clients in dealings with the tax authorities on claims, tax rulings, payments and adjustments; Acting for clients during tax audits, tax raids, tax flagrancy procedures and litigation. He advises industrial and commercial groups across all sectors of the economy, especially international defence, technology, media and communications groups. Christophe Leclère also assists and acts for senior executives and partners, as well as resident and non-resident individuals (as required by the CMS organisation) on personal tax, asset planning tax, and filing the appropriate returns.
Laurent Marquet de Vasselot
Laurent Marquet de Vasselot
Laurent Marquet de Vasselot joined CMS Francis Lefebvre in 1991 and became a partner in 1998. He practices in employment, labour and pensions. He works with corporate clients, advising, defending, and representing them in negotiations. He helps clients implement their labour relations and human resources policies, manage labour relations issues, and to complete restructuring operations. He is an experienced litigator and represents clients in high-stakes disputes. Laurent Marquet de Vasselot acts for large corporate clients from a cross-section of the economy, including distribution, services, industry, luxury goods, banking, and finance.
Romain Marsella
Romain Marsella
Romain Marsella joined CMS Francis Lefebvre in 2000 and became a partner in 2014. He practices in tax law and provides advice and handles litigation for national and international corporate groups on all aspects of taxation. He has a particular focus on the insurance and renewable energy sectors. He has extensive experience over a long period advising insurance groups on the French Insurance Code and the Mutuality Code: during reorganisations (which often involve insurance portfolio transfers); and during tax audits (including negotiations with the National and International Tax Audit Directorate (DVNI) and disputes litigated before the courts). He also advises renewable energy groups on acquisitions, disposals, financing/refinancing, and reorganisation (mergers, spin-offs) and provides support during tax audits.
Rodolphe Olivier
Rodolphe Olivier
Rodolphe Olivier joined CMS Francis Lefebvre in 1997 and became a partner in 2010. He practices in employment, labour and pensions law. He co-leads the litigation team and is particularly involved in disputes relating to employment, labour and pensions law before first-instance courts (the employment tribunal, the tribunal judiciaire (trial court), the tribunal de police, the tribunal correctionnel, the administrative court) and the administrative court of appeal, and the arbitration commission for journalists in France, the CAJ.
Maïté Ollivier
Maïté Ollivier
Maïté Ollivier joined CMS Francis Lefebvre in 2011 and became a partner in 2023. She practices in  employment, labour and pensions law and advises French and international corporates and large groups on: individual employment relationships (management of senior executives, corporate officers, employment contracts, pay, health and safety in the workplace, prevention of psychosocial risks, and whistleblowing procedures); international mobility; collective bargaining (duration and organisation of working hours, workplace well-being, and equality in the workplace); employee representation (workplace committees – economic and social committee, health, safety and working conditions committees, group committee, and the European Works Council); restructuring and reduction in headcount, labour relations aspects of mergers and legal restructuring; employment audits, individual and collective disputes; high-stakes litigation (before the courts (judiciaires and correctionnels) in cases on the supply of staff, offence of obstruction, discrimination, and harassment); management of relations with the labour authorities; employee saving plans and management packages.
Delphine Pannetier
Delphine Pannetier
Delphine Pannetier joined CMS Francis Lefebvre in 2001 and became a partner in 2025. She practices in employment, labour and pensions law, focusing on managing litigation with the French social security administration, URSSAF for clients across various industries. Her practice includes pre-audit inspection, preparing for audit, and managing and monitoring out-of-court and in-court disputes. She has developed strong relationships with agencies and government bodies in the course of her work. Delphine Pannetier has extensive experience in employee health and safety risks, management of working time, international mobility, senior management, pay practices and employee savings schemes.
Nathalie Pétrignet
Nathalie Pétrignet
Nathalie Pétrignet joined CMS Francis Lefebvre in 1989 and became a partner in 2009. She advises on French and European competition law and focuses on restrictive competition practices, trade negotiations, distribution policy, sales promotion and advertising law, and the circular economy. Her practice concentrates on businesses in the consumer market, clients for whom ensuring their sales and marketing policies are aligned with competition law is of critical strategic importance. She also works on audits to ensure compliance with payment terms. She advises and acts for clients in litigation proceedings before the commercial courts and the French and European competition authorities. She also conducts audits of operations for groups and professional associations, advises clients on establishing and monitoring compliance programmes, and assists during investigations and dawn raids. Nathalie Pétrignet has developed extensive experience in environment law in B2C relations handling issues including greenwashing, carbon offsetting, the French Climate Act, the anti-waste and circular economy act (AGEC), extended producer responsibility, the eco-contribution, and Triman labelling requirements.
Benoît Provost
Benoît Provost
Benoît Provost joined CMS Francis Lefebvre in 1990 and became a partner in 2020. He primarily advises on consolidation and restructuring transactions for both listed and privately held companies. Benoît Provost handles all aspects of corporate law and transactions involving business consolidation, reorganisations and restructuring (mergers, spin-offs, domestic and cross-border reorganisations), private equity, and management packages. He also supports companies and corporate groups on governance issues, including the appointment of corporate officers, limits on the powers of directors, executive compensation, delegation of authority, and succession planning. He assists clients with their sustainability reporting obligations (CSRD) and with drafting corporate and legal documents.
Denis Redon
Denis Redon
Denis Redon joined CMS Francis Lefebvre in 1990 and became a partner in 2004. He practices in anti-trust, competition and trade with a focus on merger control, cartels and abuse of dominant position, restrictive trade practices, anti-competitive practices, economic regulations, unfair business practices, distribution law and customs and excise law. Denis Redon advises corporate clients on a broad range of competition issues. His practice also extends to audits, including compliance audits. He represents clients during audits by the competition authorities, the DGCCRF (French consumer protection agency) and the customs authorities. He is involved from the initial investigation stage through to defending or contesting the merits of the case and appeals. He also acts for clients in litigation proceedings with other partners in these areas.
Amélie Retureau
Amélie Retureau
Amélie Retureau joined CMS Francis Lefebvre in 2004 and became a partner in 2021. She practices in tax law, with a focus on VAT, corporation tax, and payroll taxes. She advises and assists companies in the day-to-day management of value-added tax (applicable VAT regime, determining deduction eligibility, implications for payroll tax, organising internal VAT procedures, implementing electronic invoicing, etc.). She also consults on specific assignments (acquisition audits, transactions, lobbying) and tax audits (providing support during on-site operations, adversarial procedures with the tax authorities, and litigation). Amélie Retureau has extensive experience in the property (VAT and transfer taxes on asset deals) and digital sectors (platforms and e-commerce).
Johann Roc\'h
Johann Roc\'h
Johann Roc'h joined CMS Francis Lefebvre in 2006 and became a partner in 2017. He practices in tax law. He advises on all aspects of taxation of international corporate restructuring (acquisitions, reorganisations, and rationalisation), optimising the tax efficiency of cross-border financial flows (reducing or eliminating tax friction, utilising intangible assets), financing and refinancing (working closely with banks on structuring loans and refinancing), and tax structuring of cross-border investments in securities and property. Johann Roc'h’s clients are primarily large industrial groups.
Thierry Romand
Thierry Romand
Thierry Romand joined CMS Francis Lefebvre in 1995 and became a partner in 2006. He pratices in employment, labour and pensions law, with a particular focus on managing labour relations, employee shareholding schemes, retirement and benefit plans, the organisation of working hours, corporate reorganisation, national and international restructuring operations, employment protection plans, individual and collective litigation proceedings (workplace relations), social security audits and litigation, the status of senior executives, and management of international mobility.
Anne-Sophie Rostaing
Anne-Sophie Rostaing
Anne-Sophie Rostaing joined CMS Francis Lefebvre in 2002 and became a partner in 2016. She practices in direct taxation, particularly corporate taxation (acquisitions, restructuring, tax consolidation, tax audits and tax litigation), and property tax (for property funds such as SIICs, SCPIs and OPCIs). Her main clients include REITs, real estate management companies, real estate developers, privately-owned real estate groups, as well as large French and international groups operating mainly in the industrial, construction and insurance sectors.
Aurore-Emmanuelle Rubio
Aurore-Emmanuelle Rubio
Aurore-Emmanuelle Rubio joined CMS Francis Lefebvre in 2010 and became a partner in 2025. She practices in energy and climate change law with a particular focus on decarbonisation across the entire energy sector – renewables (offshore wind, hydro power, geothermal, biofuels, with/without storage), low-carbon (nuclear, hydrogen, and electrofuels), and fossil fuels. Her practice also covers demand-side management. She has extensive experience in the development of energy projects in France (project structuring, negotiation of industrial and operational contracts for energy infrastructure construction projects, Engineering, Procurement and Construction (EPC), Operation and Maintenance (O&M), Transitional Services Agreements (TSA), Balance of Plant (BoP) contracts, negotiation of agreements for the monetization of production, e.g., CPPA, aggregation, tolling, etc., whether based on international standards or not). She is also recognised for her experience and knowledge of energy and carbon regulations (regulation of essential infrastructure, capacity mechanism, flexibility, adjustment mechanism, sustainable mobility and EV charging infrastructure, carbon markets, C02 quotas, and Phase 2 of the Emissions Trading System (ETS2)). Aurore-Emmanuelle Rubio also supports corporate clients with resolving energy efficiency and GHG emissions issues.
Marc-Etienne Sébire
Marc-Etienne Sébire
Marc-Etienne Sébire joined CMS Francis Lefebvre in 2011 and became a partner in 2014. He established our Capital Markets practice in France and is involved in Debt Capital Markets, Equity Capital Markets and Derivatives. He acts for issuers and financial institutions on all types of capital markets transactions (more than €150 billion financed since 2011): spanning Eurobonds, EMTN programmes, hybrid securities, Commercial Paper, covered bonds, Euro PPs, green bonds, social bonds, sustainability-linked bonds, and liability management transactions. Marc-Etienne Sébire has also extensive experience in derivatives, advising on their documentation (ISDA, FBF, etc.) and on regulatory aspects (EMIR, etc.). He is regularly consulted by government authorities and professional associations on capital market matters.
François Tenailleau
François Tenailleau
François Tenailleau joined CMS Francis Lefebvre in 1998 and became a partner in 2010. He leads the firm’s Infrastructure & Projects practice and co-leads the Aerospace & Defence team. He advises on public business law issues with a focus on public procurement contracts, concessions, public-private partnerships, agreements involving the use of public property, and structuring complex contractual arrangements. He also acts for clients on other aspects of public law, including public property law, financing of public bodies, public and quasi-public institutions, social housing, and state aid. François Tenailleau is regularly consulted by government bodies and professional organisations on matters within his fields. He is a regular contributor to Ministry of Finance expert groups, such as those formed to draft the French public procurement code, to revise the general terms and conditions of public procurement contracts and to consult on the revision of European public procurement directives.
Christophe Vezinhet
Christophe Vezinhet
Christophe Vezinhet joined CMS Francis Lefebvre in 2000 and became a partner in 2017. He practices in direct taxation. His main clients are large French and international corporates. His practice covers all aspects of corporate taxation, from routine tax matters to complex restructuring operations. He also counsels on adjusting corporate structures. Christophe Vezinhet is also a highly experienced litigator, assisting clients with audits and in their dealings with the tax authorities, from the pre-litigation stage to litigating cases before the courts.