Mr Sergio Orrego > Urenda, Rencoret, Orrego y Dörr > Santiago, Chile > Lawyer Profile

Urenda, Rencoret, Orrego y Dörr
Sergio Orrego photo

Work Department

Corporate and M&A / Energy & Natural Resources / Mining / Projects and Infrastructure / Telecommunications.




With Urenda Rencoret (1986 – to date), partner since 1998. With Sullivan & Cromwell, New York (1991-1992). Has been ranked by Chambers and Partners, Legal 500, IFLR1000, Latin Lawyer 250, LACCA, Leaders League and Best Lawyers.


Spanish and English.


The Rocky Mountain Mineral Law Foundation; Chilean Bar Association; International Bar Association.


Master in Comparative Law (MCJ), New York University -NYU- (1991); Bachelor of Law, Universidad de Chile (1986).

Lawyer Rankings

Chile > Corporate and M&A

Chilean member firm of the Multilaw and World Law Group international networks, Urenda, Rencoret, Orrego y Dörr fields a 22-strong corporate and M&A department that is well-known for advising on M&A transactions, shareholder agreements, joint ventures and corporate restructurings. It also provides general corporate assistance to major local and international companies on a day-to-day basis. Gonzalo Rencoret, who focuses primarily on corporate advisory and M&A, capital markets and financing, and Sergio Orrego, whose broad practice encompasses corporate M&A, financing, capital markets, energy and mining, co-head the department. Rodrigo de AlencarNicholas Mocarquer and Felipe Rencoret also all highly active in transactional maters. Key support is provided by senior associates Rafael Rencoret  and Bernardita Schmidt. Former associate Raul Gómez left to join Mastercard in 2019.

Chile > Energy and natural resources > Electricity/oil and gas

Urenda, Rencoret, Orrego y Dörr‘s six-strong energy projects group assists with asset acquisitions, strategic alliances, environmental impacts, permits, taxation and project finance, along with disputes, administrative procedures, corporate governance, and operational matters. Energy and natural resources practice head Sergio Orrego is recommended for energy project developments (power plants, transmission lines and mining), and has a particular focus on NCRE projects, such as wind farms and run-of-the-river power plants. Also key to the group are Ignacio Urrutia, who formerly worked at CONAMA (predecessor agency to the Government Environmental Assessment Service), and associates Sebastián García and Javiera Vicuña.

Chile > Capital markets

Urenda, Rencoret, Orrego y Dörr‘s specialist, seven-strong team (including four partners) are consistently present on both equity and debt market deals. Typical work includes IPOs, bonds and public tender offers, as well as advice to publicly held corporations, brokers and other entities on their interactions with the Securities Agency and the stock markets. Experienced partners Rodrigo de AlencarSergio Orrego, Gonzalo Rencoret and Nicholas Mocarquer are the names to note.

Chile > Data privacy

Urenda, Rencoret, Orrego y Dörr acts for several local and foreign clients on data protection matters, including labour law-related work. The team has been particularly active in mandates related to GDPR, such as assisting  international clients with the implementation of data privacy policies and their interplay with Chilean data protection regulations. Alberto Rencoret, Sergio Orrego and Nicholas Mocarquer are experienced partners, with support at senior associate level provided by Verónica Roa.

Chile > Energy and natural resources > Mining

(Leading individuals)

Sergio OrregoUrenda, Rencoret, Orrego y Dörr

Urenda, Rencoret, Orrego y Dörr‘s six-strong team advises on all stages and aspects of mining projects, from mining titles and purchase options, to financing and joint venture agreements. Other key areas include exploration, royalty and easement agreements, water rights, permits and reclamation actions. Clients further appreciate the mining project practice’s close collaboration with the firm’s environmental, labour, tax and litigation groups. With over 30 years’ experience advising on a variety of transactions, Sergio Orrego (mining, natural resources, corporate /M&A and projects) heads the team, which also includes Gonzalo Rencoret (corporate, mining, anti-trust and tax) and associate Verónica Roa, who regularly participates in mining projects.

Chile > Projects and infrastructure

Urenda, Rencoret, Orrego y Dörr‘s 10-strong team is experienced in the development and financing of projects, such as power generation (particularly NCRE), mining, infrastructure and real estate. Sergio Orrego has over 30 years’ experience in the development of complex industrial, infrastructure, mining and energy projects. Also key to the group at partner level are real estate project specialist Gonzalo Errázuriz; Ignacio Urrutia, who provides environmental law support; and projects and infrastructure expert, Felipe Rencoret.