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.

Claro & Cia.‘s sizeable, almost 30-strong, banking and financing practice has an enviable track record in terms of structuring complex financial products and banking deals. The team’s representative expertise ranges from multilateral and cross-border financings, to project finance, structured solutions and lending. Key figures in the department include Rodrigo Ochagavía, whose specialisms include corporate and project finance, banking, capital markets and energy; senior partner and head of the firm’s M&A practice José María Eyzaguirre B, whose expertise also takes in banking, finance and capital markets; and Cristóbal Eyzaguirre, who -while best known for his  highly-rated litigation practice- also advises on banking, finance, capital markets and reorganisations. Other names to note are banking and finance and project finance expert Jorge MartínJosé Luis Ambrosy (corporate finance, capital markets and international finance transactions); energy and project financing specialist Ariel Mihovilovic; and José María Eyzaguirre F, who is active in project finance. In 2021, former counsel Jaime Salas moved to Boza & Muirhead Abogados, while former associate Gerardo Otero left to co-found financial-data platform, Aevum.

Chile > Capital markets

(Leading individuals)

José Luis Ambrosy   – Claro & Cia.

The 14-member practice at full-service firm Claro & Cia. has a market-leading reputation for designing and structuring complex securities transactions that involve multilateral financings and cross-border capital flows. Representative work includes local and international securities deals, regulatory compliance and corporate governance issues in relation to IPOs, debt offerings, project bonds, securities exchange-listings, exchange offers, hybrid securities, and cash and debt tender offers. The group is co-led by Rodrigo Ochagavía  , who has extensive capital markets experience – particularly in the energy, mining, pension funds, banking and insurance sectors; and capital markets, corporate finance and general corporate specialist José Luis Ambrosy  , who has ‘vast knowledge‘. Additional integral members of the department include cross-border transactions experts Felipe Larraín   and Luisa Núñez    (‘a very solid lawyer, technically’), along with Juan José León , who focuses on banking and capital markets regulations. Cristián Lagos   is the counsel to note, his broad corporate practice including securities law matters and capital markets offerings; while Nicolás Aspillaga   (capital increases) and María Jesús Argandoña   (local bond issuances) are both active associates.

Chile > Energy and natural resources > Electricity and hydrocarbon

Leveraging its market-leading project finance and project development expertise, Claro & Cia. houses a go-to practice for the development, construction, operation, acquisition, disposition, ownership and financing of energy and infrastructure projects. Representative specialisms range from power plants (hydro, wind and solar), to transmission lines and sub-stations, gas plants and liquified gas terminals. The team also has extensive experience in regulatory matters, and routinely works alongside the firm’s arbitration and litigation groups on energy-related disputes. Heading up the 27-strong department, Rodrigo Ochagavía regularly advises on the negotiation and structuring of offtake agreements and energy financing: José Luis Ambrosy‘s broad experience includes renewable energy and gas terminals; Ariel Mihovilovic is an energy and project finance specialist; and Luisa Núñez and José María Eyzaguirre F are both cross-border transactions experts. Former associate Gerardo Otero left the firm in August 2021.

Chile > Projects and infrastructure

The sizeable 27-strong project finance and project development practice at market mainstay Claro & Cia. has a strong track record in the financing, development, construction, operation, acquisition, ownership and sale of energy and infrastructure projects. Representative specialisms include power plants, transmission lines and substations, and greenfield and brownfield projects undertaken on a non-recourse project finance basis. The team is also highly involved in the accords required for the development of projects, including engineering, procurement and construction (EPC), and operation and maintenance (O&M), agreements, along with transmission, interconnection, supply and power purchase contracts. The team’s recent experience also covers project bond financings and infrastructure-related public concessions. The practice is led by projects and infrastructure specialist Rodrigo OchagavíaJorge Martín, who advises on international infrastructure and transportation projects; and José Luis Ambrosy, who regularly acts on renewable energy and gas terminals. Also highly regarded are cross-border finance transactions expert Luisa NúñezAriel Mihovilovic, an energy and project finance specialist; and cross-border expert José María Eyzaguirre F. Former associate Gerardo Otero left the firm in August 2021.