Tanoira Cassagne Abogados is recognised for its ‘exceptional knowledge’ of Argentina’s financial regulatory framework, and often advises on high-profile transactions, including debt issuances, tender offers, equity placements, and green financing across sectors such as energy, mining, and agriculture. The banking and finance team is led by Alexia Rosenthal, who has in-depth knowledge spanning capital markets, cross-border financing, project finance, and Central Bank regulations. Jaime Uranga is well versed in the issuance of corporate and sovereign bonds and secured and unsecured financings, while Rocio Carrica is a sought-after adviser on Argentine foreign exchange regulations. Capital markets lawyer Ignacio Criado Díaz is skilled in tender and exchange offers. The partners are capably supported by senior associate Ignacio Nantes (who leads on Central Bank, the National Securities Commission, and anti-money laundering regulatory matters), and semi-seniors Juan Manuel Simó and Carolina Mercero (banking, capital markets and financings; and banking regulatory, respectively). Since publication, Nantes has been raised to the partnership - effective as of March 2026.

Legal 500 Editorial commentary

Accolades

Client satisfaction: Lawyer & team quality
Client satisfaction: Billing & efficiency
Client satisfaction: Sector knowledge

Testimonials

Collated independently by Legal 500 research team.

  • ‘A team that is highly committed to its clients and the profession.'

  • ‘They have exceptional knowledge of regulations and the market and seek the best solutions for the client.'

Key clients

  • Citibank
  • Santander Investment Securities

Work highlights

Advised the initial purchasers on YPF's $1.1bn debt tap and successful tender of old notes.

Lawyers

Leading partners

The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Next Generation Partners

Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.

Ignacio Criado Díaz
Ignacio Criado Díaz
Practice head

Alexia Rosenthal

Other key lawyers

Jaime Uranga; Rocio Carrica; Ignacio Criado Díaz; Juan Manuel Simó; Carolina Mercero