Guyer & Regules
Member of Interlaw
Headed up by Juan Manuel Albacete, the tax team at Guyer & Regules is highly skilled in M&A, restructurings, and disputes, among other issues. The team represents a wide range of clients, including multinational corporations, financial institutions, airlines, agribusiness and trading companies, consumer goods manufacturers, and infrastructure and logistics operators. Albacete’s expertise spans tax litigation and consultancy, including tax restructuring, oil and gas sector planning, and support on major M&A and finance deals. Promoted to the partnership in mid-2026, Marcelo Marchetti brings extensive experience in tax matters and is recognised for his expertise in both tax litigation – including before the Supreme Administrative Court – and corporate tax advisory, particularly on M&A-related matters. Associate José Ignacio Arbulo provides tax advice to both local and international companies, as well as to individuals regarding the taxation of their investments. Gastón Lapaz is no longer at the firm.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Sector knowledge
Client satisfaction: NPS ®
Testimonials
Collated independently by Legal 500 research team.
- Marcelo Marchetti's service is outstanding. Not only is his analysis and answers impeccable, but he's also always willing to explain things in a very accessible way. His knowledge extends far beyond tax matters; he's a highly experienced and reliable professional.
- A willingness to work as a team, constant feedback, and interaction to achieve the best possible "product."
- Dedication, attention to detail, and legal strategy are key differentiators.
- It is a very solid team, distinguished by its deep knowledge of the subject.
- I would like to highlight Partner Juan Manuel Albacete, who has extensive experience in taxation, especially as applied to our banking industry.
Key clients
- Citibank
- Itaú Bank
- Goldman Sachs & Co
- Barclays Capital
- BNP Paribas Securities
- BBVA
- Julius Baer
- Heritage
- Axion
- Mercado Libre
- Total
- Emirates
Work highlights
Advised the National Chamber of Industries on a syndicated loan of up to U.I. 333,000,000 (approximately $50m), granted to support the implementation of Plan Vale, Uruguay’s new nationwide initiative for the sustainable management and recovery of single-use beverage containers.
Assisted Inspired, the leading global group of premium schools, in the acquisition of a 70% equity stake in Saint Patrick’s College, a renowned educational institution located in Carrasco, Montevideo, Uruguay.
Assisted Telefonica in its sale to Milicom, a Luxembourg company. The transaction was carried out through Telefónica Hispanoamérica, a subsidiary of the Spanish group, which sold all of its shares in Telefónica Móviles de Uruguay to the company Millicom Spain.
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.
Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Practice head
Juan Manuel Albacete
Other key lawyers
Marcelo Marchetti; José Ignacio Arbulo