Tanoira Cassagne Abogados > Buenos Aires, Argentina > Firm Profile

Tanoira Cassagne Abogados

Argentina > Banking and finance Tier 2

Tanoira Cassagne Abogados enjoyed a particularly active banking and finance practice during the course of 2021, advising on a high volume of debt issuance, restructuring and project finance transactions. Primarily oriented towards financial entities, the team serves a sizeable roster of local and international banking clients, advising them in their roles as underwriters, placement agents, trustees, custodians, escrow agents and grantors of loans. The team also supports financial institutions on regulatory and forex matters and has deepened its fintech offering with the promotion of Rocio Carrica to the partnership. The ‘dynamic’ and ‘very knowledgeableAlexia Rosenthal (banking, finance, capital markets and stock market regulatory matters), co-leads the practice alongside Jaime Uranga (banking and finance, capital markets, forex, Central Bank regulations, restructurings and sovereign/sub-sovereign debt issue). At associate level, Ignacio Criado Díaz is the name to note.

Practice head(s):

Alexia Rosenthal; Jaime Uranga


‘Excellent in banking and  finance. They understand what all parties to a transaction require and what concerns underwriters and issuers. They have a lot of experience and understand regulatory concerns.’

‘Alexia Rosenthal is a partner heavily involved with transactions and regulatory inquiries. She is very dynamic and very knowledgeable. Ignacio Criado Díaz is responsible and diligent – a great asset when it comes to a complex deal.’

‘They work diligently and are very busy transactions. In general, international deals have local complexities such as exchange restrictions or regulatory restrictions in which Tanoira Cassagne has a lot of experience and moves dynamically to find solutions to exchange and regulatory restrictions. Fast and precise in their advice and communication.’

‘They handle client expectations well and deliver a personalised service. Alexia Rosenthal and Ignacio Criado Díaz are the two lawyers I work with the most. They are efficient and solve problems quickly.’

‘The firm responds quickly and accurately and is highly knowledgeable of the legal and regulatory environment.’

‘They are always ready to respond to customer requests immediately, professionally and with solid technical foundations.’

‘Tanoira has an excellent team of professionals. You feel supported. They are very professional and most importantly, they are very proactive in resolving complex situations.’

Key clients

Citigroup Global Markets

Banco Itaú Argentina

Banco Santander

Province of Neuquén

Banco de Galicia y Buenos Aires

Industrial and Commercial Bank of China


Province of Rio Negro

BBVA Argentina

Banco Santander Río

Banco de la Provincia de Buenos Aires


PP Inversiones

StoneX Securities


Allaria Ledesma

ADblick Granos

BACS Banco de Crédito y Securitización

Global Valores

Work highlights

  • Advised a group of banks, acting as placement agents, on YPF’s $6.2bn notes exchange – the largest corporate exchange offer and consent solicitation transaction in Argentine history.
  • Advised Banco Comafi on Genneia’s $408m note exchange of its existing debt.
  • Supported Dracma on establishing the country’s first closed-end real estate fund outside of Buenos Aires as part of a $60m transaction.

Argentina > Competition and antitrust Tier 4

Providing a full service in the competition area, Tanoira Cassagne Abogados' team handles antitrust behaviours, merger notifications and litigation. As regards merger-control filings, the team advises on national and cross-border transactions in a range of sectors, including oil and gas, pharma, agribusiness and credit cards. Co-practice heads Francisco Rondoletti and Bernardo Cassagne are both reported as responsive, reliable and up-to date with relevant matters and norms.

Argentina > Corporate and M&A Tier 4

The ‘fast’ and ‘judicious’ Rafael José Algorta co-leads the ‘excellentTanoira Cassagne Abogados' corporate and M&A practice alongside corporate and business law-focused Santiago Javier Monti; experienced transactional lawyer Alejandro Ciero; and Leopoldo García-Mansilla, who handles M&As and day-to-day corporate work. The team is an active presence in local deals across multiple sectors, with the financial services area especially busy. Cross-border and regional deals are also undertaken, with the group supporting multinational clients in spin-offs and divestments.

Practice head(s):

Santiago Monti; Rafael Algorta; Alejandro Ciero; Leopoldo Garcia-Mansilla


‘Tanoira & Cassagne understand us and get immediately involved, providing an excellent service. A great partner.

‘Bernardo Cassagne and Rafael Algorta, are the best duo that has advised us. They are fast and judicious, with great knowledge of the market and its processes. Very reliable.

Key clients



3M Argentina

Acon Timber/ATA Ventures Holding

Nestle Argentina


St Gobain

Geopagos / Go Commerce

Remax Argentina




Southern Crops


Clear Petroleum

Fabrica Austral De Productos Electricos

British American Tobacco


Innovative Water Care

Banco de Galicia

Unilever de Argentina

Work highlights

  • Advised Bayer Argentina and Bayer Brazil on a the sale of Biagro to Simbiose.
  • Advised SAESA on the sale of a Brazilian thermal power plant to Ambar Energia.
  • Advised Morgan García Mansilla on a deal with Allaria Ledesma & Cia.

Argentina > Labour and employment Tier 4

The ‘top notchTanoira Cassagne Abogados labour practice is best known for its advice on employment conflicts, complex labour trials, compensation programs, union negotiations, stock option plans and the labour aspects of restructurings. Labour specialist Pablo Mastromarino fronts the team and has expertise across all aspects of labour law, including expatriate programmes, collective bargaining agreements and a range of contentious matters. Key support comes from associates Mora Lopez Petit and Ezequiel Peña.

Practice head(s):

Pablo Mastromarino


‘Tanoira Cassagne’s labour law team, led by Pablo Mastromarino, is top notch. Mastromarino is an assuring presence.

‘Pablo Mastromarino’s experience has helped us to resolve matters without having to go through long trials.

‘Pablo Mastromarino understands our needs and is very responsive.

‘Tanoira Casssagne’s labour team stands out from the rest of the market for always finding a solution that each client needs and that is practical for the business.

Key clients







Genomma Laboratories

Mercado Abierto Electrónico



Argentina > Bankruptcy and restructuring

Tanoira Cassagne Abogados acts for creditors and debtors and has particular experience assisting with reorganisations.

Administrative law and economic regulations: advice and representation in administrative hiring procedures (public biddings); advice to companies (public utilities); representation before regulatory authorities; guidance on urbanism matters and protection of cultural heritage; representation in contentious-administrative legal actions before federal, provincial, and City of Buenos Aires courts.

Capital markets, banking and finance, project finance, foreign exchange restrictions: advice in capital market transactions; experience in the banking industry, representing financial institutions in regulatory matters; participation in the issuance of bonds, debt securities, corporate bonds, negotiable obligations and CEDEARs; sovereign debt; project finance transactions and PPPs; IPOs and issuance of shares; takeover processes (OPAs) and withdrawal from the public offering regime; financial leasing/derivatives agreements; financial trusts with or without public offering and listing; structuring of syndicated loans; comprehensive advice connected to the regulations of the Central Bank of the Argentine Republic and foreign exchange legislation; mutual funds; and permanent interaction with the staff of the Comisión Nacional de Valores, Bolsas y Mercados de Argentina, Caja de Valores and Mercado Abierto Electrónico.

Competition/antitrust: general and preventative advice on antitrust practices; advice and representation on pre-merger control procedures; company advice and representation in administrative or judicial processes due to the investigation of cartels and antitrust practices. Specialists in domestic trade regulations: consumer defense; antitrust and unfair competition; law of supply and regulations applicable to economy sectors.

Corporate and M&A: advice national and international clients providing guidance on all aspects of corporate life, ranging from day-to-day matters to sophisticated local and international transactions. Drafting, negotiation and structuring of taylor-made shareholders and operating agreements, counseling in processing governmental approvals and requirements, including advice to corporations in regulated markets. Mergers and acquisitions, spin-offs and corporate reorganizations. Legal advice in shareholders’ disputes providing legal assistance both at the corporate and Court level.

Intellectual property, data privacy and new technologies: advice on legal issues related to Copyrights, trademarks, patents and industrial models as well as data privacy, computer law, cybersecurity, artificial intelligence and blockchain to diverse industries such as entertainment, biotechnology, software, complex technologies, Fintech, Med-tech, Ag-tech, Aerospace and retail (among others). This team has co-participated in the drafting of the last Personal Data Protection Bill of the Argentine Republic.

International trade: application of international trade treaties within the Southern Common Market and in regulations referred to in the World Trade Organisation (WTO). Within the WTO and the MERCOSUR, the firm has participated in anti-dumping investigations, safeguards and benefits brought by the Argentine Republic against third-party exports.

Labor and employment: Advice in individual and collective labor law; labor conflicts; complex labor suits; compensation programs; negotiation with unions; stock option plans; expatriates programs;  compensation of managers and directors; international staff; conflicts with unions;  negotiation of Collective Bargaining Agreements; representation of multinational companies in sophisticated labor suits (i.e. discrimination, expatriate employees, members of the board of directors, etc); compliance investigations; international labor contracts; codes of ethics and good practices for employees; pension plans; labor aspects of mergers and acquisitions; startup process and restructuration procedures.

Litigation: a specialized team provides advice in litigation matters both at the pre-judicial and judicial level in the fields of commercial; labor; civil; administrative antitrust and consumer rights; tax; insurance; transport of goods – in different forms; bankruptcy and reorganization proceedings

Tax: advice and analysis of the tax impact on all type of domestic and international transactions, including investment projects, structuring of mergers and acquisitions, financing operations and capital structure. Also provides tax advice on public securities offering, cross-border transaction and design of tax-efficient structures. Focuses on the defense of tax claims before the courts or in administrative agencies.

Venture capital, innovation and digital transformation: the firm is a key legal player advising new technology companies, VC and CVC investment funds in the development of new businesses. This team is one of the largest and most experienced in Latin America advising fast-growing companies in their global expansion processes to and from Argentina. This team has counseled all kind of new companies in almost all hi-tech industries (Food & AG TECH, FINTECH, BIG DATA, AI, HEALTECH, among many others.).The Team is one of the co-authors of the Argentine Entrepreneurship and Venture Capital Law and has advised other governments in the region in launching public policies to promote VC in Latin America. The Team together with the Argentine Entrepreneurial Ecosystem (SEPYME, ASEA, ENDEAVOR, IAE, UDESA, ITBA, SIGLO XXI, INICIA, among others) collaborate with the mentoring, training and support of more than 1,200 new entrepreneurs per year.

Competition/Antitrust; International Trade Francisco Rondolettifrondoletti@tanoiracassagne.com541152725300
Agribusiness Alejandro Cieroaciero@tanoiracassagne.com541152725300
Capital Markets, Banking & Finance, Project Finance, Foreign Exchange Restrictions Alexia Rosenthalarosenthal@tanoiracassagne.com541152725300
Administrative law and economic regulations; Competition/Antitrust; International Trade Bernardo Cassagnebcassagne@tanoiracassagne.com541152725300
Corporate and M&A Rafael Algortaralgorta@tanoiracassagne.com541152725300
Corporate and M&A Santiago Montismonti@tanoiracassagne.com541152725300
Intellectual Property Juan Pozzojpozzo@tanoiracassagne.com541152725300
Capital Markets, Banking & Finance, Project Finance, Foreign Exchange Restrictions Jaime Urangajuranga@tanoiracassagne.com541152725300
Labor Pablo Mastromarinopmastromarino@tanoiracassagne.com541152725300
Litigation Rafael Algortaralgorta@tanoiracassagne.com541152725300
Tax Alejandro Moraamora@tanoiracassagne.com541152725300
Venture capital Manuel Tanoiramtanoira@tanoiracassagne.com541152725300
Compliance Paula Honischphonisch@tanoiracassagne.com541152725300
Capital Markets, Banking & Finance, Project Finance, Foreign Exchange Restrictions Rocío Carricarcarrica@tanoiracassagne.com541152725300
Pablo Mastromarino photoMr Pablo MastromarinoPablo Mastromarino is the leading partner of Tanoira Cassagne´s Labour and Employment…
Santiago Javier Monti photoMr Santiago Javier MontiPartner. Member of the Executive Committee.
Francisco Rondoletti photo Francisco RondolettiPartner
Alexia Rosenthal photoMrs Alexia RosenthalFounding Partner, Lead of the Capital Markets. Banking & Finance, Foriegn Exchange…
Manuel Tanoira photoMr Manuel TanoiraLeads the Area and Managing and Founding Partner of the Firm
Jaime Uranga photoMr Jaime UrangaPartner, Lead of the Capital Markets. Banking & Finance Department. His practice…
Other fee-earners : 25
Total staff : 65
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Partners : 13