
Posadas‘s corporate & M&A team is a leading practice in Uruguay’s corporate sector, specialising in M&A, joint ventures and corporate restructuring. With expertise spanning corporate, tax, regulatory and competition law, it provides advice to both local and international clients. Trusted for complex, high-value transactions, its client roster includes prominent names like BP, Clorox and Compass. Co-head Fernando de Posadas is a key figure, recognised for his role in major investment projects and corporate law advisory, including overseeing the large foreign investment in Uruguay. Also co-leading, Tomas Gurméndez is known for his leadership in cross-border M&A and complex governance matters. Tomás Guerrero, a seasoned corporate lawyer, handles significant M&A and financing transactions. Andrés Aznárez focuses on high-value cross-border deals, especially with Brazilian investors, while Lucía Barrios brings expertise in corporate restructuring, governance and sectors like e-commerce and agribusiness.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘I've often worked with this team at the Posadas firm. They're highly committed, responsive, and quick, providing the support necessary to successfully complete the transactions we've worked on.'
- ‘Understanding customer needs, constant support, innovative solutions.'
Key clients
- BP
- Better Collective
Work highlights
Acted for BP on its acquisition of the remaining shares in its ethanol joint venture with Bunge, taking control of the asset in a USD 800m purchase.
Lawyers
Hall of Fame
The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.

Tomás Guerrero Costa
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Tomas Gurméndez
Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Practice head
Fernando de Posadas; Tomas Gurméndez
Other key lawyers
Tomás Guerrero; Andrés Aznárez; Lucía Barrios


