Mr Sergio Díez > Cariola Díez Pérez-Cotapos > Santiago, Chile > Lawyer Profile

Cariola Díez Pérez-Cotapos

Work Department

Corporate, M&A, energy, fisheries and aquaculture, Asia-Pacific, hotels, resorts and casinos.


Partner – Corporate, M&A, energy, fisheries and aquaculture, Asia-Pacific, hotels, resorts and casinos.


Partner since 1999. He is in charge of one of the firm’s Mergers and Acquisitions groups, and focuses primarily on buying and selling companies, as well as corporate issues, and continuous advice for national and foreign medium and large size clients in several areas, such as oil, stockbroking, energy, industry, agribusiness, hotels, and fishing and aquaculture, as well as laboratories and casinos, among others. He has participated in numerous transactions, advising foreign clients throughout the entire acquisition, development and financing process of the respective projects. He has also represented Asian companies in their investments in Chile.


Spanish and English.


International Bar Association
Inter-Pacific Bar Association
Chilean Bar Association


Universidad de Chile (LLB, 1987).

Lawyer Rankings

Chile > Corporate and M&A

(Leading individuals)

Sergio DíezCariola Díez Pérez-Cotapos

The ‘very complete’ 44-strong practice at Cariola Díez Pérez-Cotapos is consistently sought out for its expertise in joint ventures, private equity and venture capital deals, as well as the acquisition of private and public companies. It also houses specialists in mergers and spin-offs, along with corporate restructuring transactions; and boasts a recent transactional track-record that is particularly strong in the mining, energy, infrastructure, insurance, media, and banking (/financial service) sectors, among others. The practice group houses a core group of highly in-demand partners; namely senior figures Francisco J Illanes (‘a leading lawyer in the local legal environment‘ who also has extensive international experience); corporate law expert Sergio Díez; M&A specialist Gerardo Varela; and Cristián Herrera, who advises on corporate/M&A, foreign investment and securities regulations; while Juan Pablo Matus and recently promoted Tomás Vidalboth demonstrate great technical knowledge‘. Corporate, natural resources and mining law specialist Carlos Pérez-Cotapos; mining contracts expert Gonzalo Grez; and Andrea Saffie are also integral to the practice, as is José Luis Letelier, who has longstanding corporate law, M&A and foreign investment expertise. At senior associate level, María Francisca Salas and Sergio Balharry  are active M&A advisers.

Chile > Energy and natural resources > Electricity and hydrocarbon

The recent track record of Cariola Díez Pérez-Cotapos‘ seven-strong group includes advising on gas pipelines, coal-fired power plants developments, and energy companies’ M&A. Its experience also includes the financing for a marine natural gas regasification terminal, PPA contracts, non-conventional renewable energy (NCRE) projects, green hydrogen production; and energy supply contract-related arbitrations. Heading the practice, Gonzalo Jiménez‘s experience includes assisting local electricity-consuming companies with tender processes; Sergio Díez is a specialist in wind farm greenfield projects; and Martín Astorga is noted for the environmental aspect of energy projects. Key associate Verónica Cuadra routinely advises on electricity regulations.