Firm Profile > Tanoira Cassagne Abogados > Buenos Aires, Argentina

Tanoira Cassagne Abogados

Banking and finance Tier 3

Tanoira Cassagne Abogados is best known for its strong skill sets in the project finance, capital markets and mutual funds areas, where it specialises in representing local and international banks as underwriters, trustees, placement agents and lenders. The firm also advises most domestic financial institutions on regulatory matters, particularly in relation to Central Bank rules and foreign exchange restrictions. Sector specialist Alexia Rosenthal heads the department and is highly regarded for her transactional and regulatory expertise. Other key names include Jaime Uranga, who was recently promoted to partner, and impressive associate Ignacio Criado Díaz.

Practice head(s):

Key clients


Banco Macro

Banco de Galicia y Buenos Aires

Deutsche Bank

Banco Comafi

BBVA Banco Frances



Banco de Servicios y Transacciones

Banco Industrial

Competition and antitrust Tier 3

Competition is a key pillar of Tanoira Cassagne Abogados’ practice offering and the firm handles a mix of compliance issues, merger reviews, investigations and competition litigation. The group also advises on domestic trade rules, including consumer defence and specific business sector regulations. Bernardo Cassagne is a highly regarded competition and economic regulation specialist. Francisco Rondoletti, whose practice spans antitrust, consumer protection and international trade, is also recommended.

Labour and employment Tier 4

Tanoira Cassagne Abogados’ ‘highly dedicated’ team is ranked for the first time on the back of its broad practice focus, which takes in labour conflicts, collective negotiations, compensation programmes and restructuring procedures. It also advises local and multinational clients on the labour aspects of corporate transactions. Group head Pablo Mastromarino is recommended for his ‘broad knowledge of the area’.

Practice head(s):


The team are highly dedicated to their clients. They know our business, schedules and requirements. They have great interpersonal skills and an understanding of the needs of our business.

The firm demonstrates very good knowledge of the subject and provides rapid responses.’

Pablo Mastromarino has broad knowledge of this area and excellent response times.

Key clients





British American Tobacco




BNP Paribas Cardif

Galicia Seguros

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.

Department Name Email Telephone
Administrative law and economic regulations Bernardo Cassagne 541152725300
Agribusiness Alejandro Ciero 541152725300
Capital Markets, Banking & Finance, Project Finance, Foreign Exchange Restrictions Alexia Rosenthal 541152725300
Competition/Antitrust Bernardo Cassagne 541152725300
Corporate and M&A Rafael Algorta 541152725300
Corporate and M&A Santiago Monti 541152725300
Intellectual Property Juan Pozzo 541152725300
International trade Bernardo Cassagne 541152725300
Labor Pablo Mastromarino 541152725300
Litigation Rafael Algorta 541152725300
Tax Alejandro Mora 541152725300
Venture capital Manuel Tanoira 541152725300
Compliance Paula Honisch 541152725300
Photo Name Position Profile
Mr Pablo Mastromarino  photo Mr Pablo Mastromarino Pablo Mastromarino is the leading partner of Tanoira Cassagne´s Labour and Employment…
Mr Santiago Javier Monti  photo Mr Santiago Javier Monti Partner. Member of the Executive Committee.
 Francisco Rondoletti  photo Francisco Rondoletti Partner
Mrs Alexia Rosenthal  photo Mrs Alexia Rosenthal Founding Partner, Lead of the Capital Markets. Banking & Finance, Foriegn Exchange…
Mr Manuel Tanoira photo Mr Manuel Tanoira Leads the Area and Managing and Founding Partner of the Firm
Mr Jaime Uranga  photo Mr Jaime Uranga Partner, Lead of the Capital Markets. Banking & Finance Department. His practice…
Other fee-earners : 25
Total staff : 65
All main business languages
Partners : 9