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The name of the Firm dates back to 1911, when Max Guyer and Dardo Regules met at Law School and forged a close friendship. Upon graduating together, they decided to jointly set up a law firm: Guyer & Regules.

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Our offices

A creative team

At Guyer & Regules we strive to build “strong personal working relationships” both with our client´s people and with the people that play a part in our Firm. By means of our well-known end of year greetings, we have connected with you in a unique and particular way, creating a liaison of empathy, curiosity, surprise, humor and creativity genuinely exposing our values and our Guyer-way of serving. Each smile, each comment, each reaction, each special moment that our greetings may generate make part and help build these personal working relationships with you.



Throughout these years, Guyer & Regules has been recognised by prestigious international publications in the field.


Global Reach

Lex Mundi

Guyer & Regules is the exclusive member firm in Uruguay for Lex Mundi – the world’s leading network of independent law firms with in-depth experience in 100+ countries worldwide. As part of the Lex Mundi global network, we can provide our clients with preferred access to more than 21,000 lawyers around the world – all from a single point of contact.

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World Law Group

Established in 1988, World Law Group is one of the oldest, largest and most cohesive networks of leading independent law firms. Today, it’s made up of 59 market-leading independent law firms with nearly 20,000 lawyers serving clients from more than 400 offices in 89 countries.

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World Services Group

WSG is a global non-profit membership association. Its members are large local, national and international providers of professional business services. Each firm is among the several leading firms in their areas of expertise and has the highest professional reputation within the community.

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Guyer & Regules is a member firm of Interlaw, an international network of legal firms. Interlaw is a recognized elite global network, with prominent independent law firms, comprised of more than 7,500 lawyers located in around 150 cities around the world.

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Club de Abogados

Club de Abogados is a network of leading law firms in Latin America and Europe, founded more than 50 years ago. The Latin-American section of the Club is comprised of 20 law firms, one for each country, covering all Latin America, almost all Central America, Spain and Portugal.

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The Interlex Group

The Interlex Group® is an association of leading law firms around the world that cooperate to provide a complete range of international legal and business services to clients. It counts with 9,320 lawyers from 49 firms present in 64 countries.

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Guyer & Regules is a member firm of RIELA™ (Red Interamericana de Especialistas en Legislación Ambiental).
RIELA™ is a network of independent law firms providing for the exchange of professional information about the local and regional practice and development of environmental law in the Americas, facilitating and disseminating communications among its members and improving the members’ abilities to serve the needs of their respective clients.

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Global Reach