Mr José Luis Ambrosy > Claro & Cia. > Santiago, Chile > Lawyer Profile

Claro & Cia.
CÓD POSTAL 755 0177
José Luis Ambrosy photo

Work Department

Capital Markets, Project Finance, Banking and Finance, Mergers and Acquisitions, Business Organizations.
Energy, Construction, Infrastructure and Transportation, Pension Funds, Investment Funds and Private Equity.




Mr. Ambrosy has concentrated his practice in corporate finance, capital markets, international finance transactions (including both corporate and project finance) and mergers and acquisitions.

He has represented a broad range of clients, including lenders, borrowers, purpchaser, sellers, goverments, investors, financial advisers, issuers, credit enhancers and underwriters. He has worked in projects involving regulatory involving regulatory authorities in the Chilean securities market and public work concessions in Chile.

Joined Claro & Cia in 1998. Previously, he practiced law at the legal department of a financial institution in Madrid, Spain (1996-1998). During the years 2003 and 2004 worked as a foreign associate with the project finance team at Debevoise & Plimpton, LLP, New York Office.

He is admitted to practice in Spain and Chile.


Spanish and English.


LL.M., University of Notre Dame School of Law, 2004.

J.D., Universidad de Alcalá de Henares, Madrid, 1997

Lawyer Rankings

Chile > Banking and finance

(Leading individuals)

José Luis AmbrosyClaro & Cia.

One of the oldest, most prestigious law firms in Chile, Claro & Cia.‘s banking and finance group comprises 29 lawyers, including seven partners. It is well known for the design and structure of sophisticated financial products and innovative banking transactions, which have become standard in the Chilean banking and financial markets. The firm has several highly respected partners, including Rodrigo Ochagavía, who is experienced in regulated sectors such as energy, mining, pension funds, banking and insurance; and Jorge Martín, who is recommended for international infrastructure and transportation project financing. Other key partners include project finance specialist José María Eyzaguirre B and Cristóbal Eyzaguirre, who has a broad banking and finance practice, along with project finance specialists José Luis Ambrosy and Ariel Mihovilovic. At counsel level, Jaime Salas focuses on energy and project finance.

Chile > Capital markets

The sophisticated practice at Claro & Cia. typically represent key parties in all types of significant local and international securities transactions, regulatory compliance and associated corporate governance issues. Handling public and private offerings (IPOs, equity and investment-grade and high-yield debt offerings), project bonds, securities exchange listings, exchange offers, cash and debt tender offers and hybrid securities, the team is praised for its design and structuring of securities transactions. Rodrigo Ochagavía has extensive capital markets experience, particularly in relation to regulated sectors such as energy, mining, pension funds, banking institutions and insurance companies; while José Luis Ambrosy‘s clients include leading corporates, banks and underwriting firms. Also key to the practice are experienced partners Felipe Larraín and Juan José León, along with counsels Cristián Lagos and Jaime Salas.

Chile > Corporate and M&A

High-end market mainstay Claro & Cia. has participated in most of Chile’s landmark transactions over the past 20 years. It fields a 33-strong department that advises on all aspects of M&A, including share and asset deals, cross-border mergers, takeovers and exchange offers. In corporate matters, the team assists with the negotiation of domestic and international agreements for the purchase and sale of goods, distribution strategies, imports and exports, and supply and engineering, procurement and construction contracts. Team head José María Eyzaguirre B is recommended for tender offers, public transactions and corporate governance issues; Cristóbal Eyzaguirre‘s broad expertise facilitates a constant role in complex M&A transactions; and Rodrigo Ochagavía has extensive M&A experience, particularly in the energy, pensions and insurance sectors. Also key to the group are energy law expert Matías de MarchenaFelipe LarraínHernán Felipe Valdés and José Luis Ambrosy, along with Ariel MihovilovicJuan León and recently promoted partner José María Eyzaguirre F. While more active on finance matters than M&A of late, counsel Jaime Salas is also noted.

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

Claro & Cia. has longstanding experience in advising several of the largest national and global players in the energy generation, transmission and distribution market. Representative work includes the development, construction, operation and financing of hydroelectric, solar, wind and thermoelectric power plants, along with the project financing and construction of oil and gas pipelines. The highly-rated team’s scope of work covers corporate, regulatory and litigation issues, along with power purchase agreements (PPAs); it also has expertise in water law, assisting clients from across the mining, electric, industrial, agricultural and finance sectors with projects requiring significant water consumption. Rodrigo Ochagavía, Ariel Mihovilovic, José Luis Ambrosy, Nicolás Eyzaguirre and Luisa Núñez are all experienced partners.

Chile > Projects and infrastructure

With one of Chile’s most experienced project finance and project development practices, Claro & Cia.‘s 20-strong department is highly rated for its assistance with the construction and development of power plants, transmission lines and sub-stations, as well as the financing of greenfield and brownfield projects on a non-recourse project finance basis. Additional areas of note are the negotiation and drafting of engineering, procurement and construction (EPC) contracts, operation & maintenance (O&M) agreements, interconnection contracts, and supply and power purchase agreements. Rodrigo Ochagavía‘s projects experience includes the regulated sectors, notably energy, ports and concessions; Jorge Martín also has a strong concessions sector background; and Luisa Núñez is a cross-border transactions specialist who is active on projects matters. Other highly-rated partners include José Luis Ambrosy, who advises leading project sponsors and developers; and energy and project finance expert, Ariel Mihovilovic. Experienced associate Gerardo Otero is noted.