Peroni Sosa Tellechea Burt & Narvaja


4 ranked lawyersBand 2ParaguayLatin America 2021 View ranking table
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Ranked Lawyers
chambers review
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Ranked Lawyers

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What the team is known for

Celebrated practice group possessing well-established experience in the corporate and commercial arena. Provides specialised expertise to foreign investors establishing operations in Paraguay. Advice covers incorporations, acquisitions and disposals, as well as joint venture agreements and corporate compliance for clients in the technology, energy and automotive industries. New client wins for the firm include Google, Gasolinas del Sur and Hawk-Eye Innovations.


Clients highlight "the good-quality, clear advice provided. They have very good response times, even when we need answers outside of normal working hours. I am happy with service provided and would use the firm again for any future work in the region."

Work highlights

Acted as counsel to Linde on the acquisition of Praxair Paraguay and the modifcation of its by-laws.

Notable practitioners

Powerhouse lawyer Esteban Burt enjoys widespread acclaim from interviewees for his position in the market. He continues to lead the firm's most important mandates in this area, including M&A transactions, distribution agreements and company incorporation matters. "He is highly recommendable for his soft skills and professionalism," enthuses one client.

Experienced practitioner Graciela Narvaja Jones is acknowledged as "an excellent lawyer" by interviewees. She is well equipped to advise on a variety of matters in this space, including foreign investment mandates and M&A transactions.

Senior statesman Guillermo Peroni boasts a longstanding track record advising domestic and international clients on a wide range of corporate issues. He continues to be a revered name in the market, with one impressed interiewee describing him as someone who is "focused on client service."

Marcos Peroni enjoys positive comments from clients, who enthuse: "During negotiations he uses his professional years in the discussions. He negotiates correctly where to back down and where not to and gives good insights." Another source describes him as "commercial, responsive and easy to work with."

Department Information

This content is provided by Peroni Sosa Tellechea Burt & Narvaja.


PSTBN represents major private companies, both domestic and foreign, which are engaged in a wide range of activities in Paraguay. The firm advises in corporate matters, including the incorporation of all types of commercial companies, drafting, negotiation and execution of commercial contracts nationally and internationally. PSTBN represents national companies in their international commercial transactions, mergers and acquisitions, and foreign companies in the establishment and conducting of their business in the country, including the establishment of branches, subsidiaries, and joint ventures. 

PSTBN has assisted clients in maritime, pharmaceutical, industrial and agricultural livestock projects, acquisitions, investment projects and legislation reform in the telecom sector, hospitality, mineral and petroleum sectors annual concessions with government entities.

PSTBN Corporate Department guides its clients on different legal matters connected to transactions and projects such as, purchase, sale, construction and operation. Assisting sellers, developers, borrowers, and lenders in the acquisition, financing, sale, development, and leasing of Real Estate properties


Alfaro, Eduardo

Bofferon, Santiago

Burt, Esteban

Burt, Victoria

Elicetche, Estefania

Narvaja Jones, Graciela

Oddone, Vanessa

Peroni, Francisco

Sosa Fracchia, José Miguel

Vega Meza, Jose Luis

Zanotti, Lia


Adidas AG Germany

American Tower Corporation United States

Barcelona Group Spain

BASF SE Germany

Bridgestone do Brasil Ltda Brasil

Cervepar (AB InBev) Belgium

DIA Group Spain

DVA Group Germany

Google Technology company United States of America

Grupo Monte Alegre Paraguay

Hard Rock International

Imperial Shipping Paraguay S.A.

Iridium Concesiones Infraestructura S.A. Spain

JBS Paraguay S.A.

Laboratorios LASCA Paraguay

Laboratorios LKM Spain

Latam Airlines Group S.A Chile

Marubeni America Corporation United States of America

Moldex Metrics Inc United States of America

Monsanto Agrochemical Company United States of America

Philip Morris Paraguay

SC Johnson and Son United States of America

Sealed Air Corporation

Vimerica Development LLC

Youtube Video sharing company United States of America

Zara and Zara Home Spain


Aerospace and defense

Commercial and professional services




Mining and metals



Travel and leisure

Corporate/Commercial Department

Peroni Sosa Tellechea Burt & Narvaja

Department location

Eulogio Estigarribia 4846

Villa Morra

Casilla de Correo 114


Gran Asunción



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Ranked Lawyers

Chambers Research is conducted by 200 Research Analysts, across 200 jurisdictions and provides nearly 6,000 rankings tables. Annually we collect hundreds of thousands of responses from clients, the majority via in-depth interview. Learn more about our methodology.



Esteban Burt
Band 1
Graciela Narvaja Jones
Band 3
Guillermo Peroni
Senior Statespeople
Marcos J Peroni
Band 4