Mr Matías de Marchena > Claro & Cia. > Santiago, Chile > Lawyer Profile

Claro & Cia.
CÓD POSTAL 755 0177
Matías de Marchena photo

Work Department

Capital Markets, Banking and Finance, Project Finance, Mergers and Acquisitions.
Energy, Sports and Gaming, Pension Funds, Investment Funds and Private Equity, Infrastructure and Transportation.




Matías de Marchena has extensive experience in Mergers and Acquisitions, Corporate Finance and Capital Markets.

He has represented a broad range of clients, including, lenders, borrowers, contractors, purchasers, sellers, investors, financial advisers, issuers, monoline insurers and underwriters.

He joined Claro & Cia. in 1994 and is a partner since 2001. He was previously with Debevoise & Plimpton, New York, 1996-1997 and with Empresa Nacional de Electricidad S.A. (ENDESA), 1992-1994.


Spanish and English.


J.D., Pontificia Universidad Diego Portales, 1993.

Lawyer Rankings

Chile > Corporate and M&A

Widely-lauded for its sophistication, Claro & Cia. is particularly well known for its M&A work involving publicly-listed clients. The large practice is routinely mandated to advise on significant acquisition agreements, in relation to cross-border mergers, share and asset deals, takeovers and exchange offers; and the team’s expertise covers due diligence and structuring work, along with negotiations and complex drafting. The department’s principal figures include senior partner and renowned M&A specialist José María Eyzaguirre B who advises on cross-border deals, tender offers, public transactions and corporate governance; Rodrigo Ochagavía, whose track record is particularly strong as regards energy sector-related clients including generation, transmission and distribution companies; Matías de Marchena, who is experienced in M&A, corporate finance and capital markets; and cross-border transactions expert Felipe Larraín. Also key to the group, Juan José León‘s broad practice covers restructuring work, and José María Eyzaguirre F, a former visiting attorney at Shearman & Sterling LLP‘s New York office. Also of note, counsel Patricio Smart specialises in corporate law, M&A, project finance and energy. Former partner Ariel Mihovilovic  left the firm in February 2023 to become a candidate for Chile’s Constitutional Council.