Sergio is a partner of the Firm with which he has been working since 1997. His practice includes working with clients mainly from the United States, Canada, and Mexico, in international and cross-border commercial and finance transactions, structuring and closing sales and purchases of companies and businesses, joint ventures, secured financing, strategic alliances, and international investments.

Sergio has extensive experience representing companies from different industries in their international and cross-border businesses, matters, and projects, with extensive knowledge in several legal disciplines. He also represents family offices, businesses, and investments. He participates as Board Member in several companies. Sergio leads the legal strategy of several relevant projects of the firm from time to time.

Sergio is the head of the Firm’s Banking & Finance Practice Group. Mainly represents lenders, such as US, Canadian and international banks, financial institutions, and private companies, structuring, documenting, granting loans, and perfecting security interests in Mexico. He also represents borrowers and guarantors in the negotiation of loan and security agreements and documents, as well as issuing legal opinions to banks and financial institutions. For many years, Sergio has had broad and extended experience representing clients in international finance transactions, such as revolving credits, term loans, asset-based loans, project finance, and collateral transactions.

* Licensed only in Mexico

Licensed in

Mexico (2001)

Languages

Spanish and English

Education

  • New York University, New York, New York (Master of Law, LL.M., 2003)
  • Escuela Libre de Derecho, Mexico City, Mexico (J.D., 1999)

Professional Memberships

  • American Bar Association
  • Barra Mexicana de Abogados
  • International Bar Association
  • Inter-American Bar Association
  • International Fiscal Association
  • NYU Law Alumni Association
  • Union Internationale des Avocates
  • United States-Mexico Bar Association

Publications

  • Energy Reform – Mexican Constitution – By: Sergio Mario Ostos and Antonio Franck, CCN Mexico Report January 2014
  • "Salaries Paid to Foreigners Living in the United States and Working in Mexico," World Trade Executive, Inc. Practical Mexican Tax Strategies, Volume 3, Number 4, Concord, Massachusetts, July/August 2003
  • "Second Protocol Amending the Mexico-U.S. Tax Treaty," North American Free Trade & Investment Report, World Trade Executive, Inc., August 15, 2003, Volume 13, Number 15, Concord, Massachusetts, 2003
  • "Mexican States and Structured Public Finance: Governmental Investment Certificates Provide Excellent Benefits," International Securitization & Structured Finance Report, World Trade Executive, Inc., November 30, 2003, Volume 6, No. 21, Concord, Massachusetts, 2003
  • "Independent Personal Services Rendered in Mexico by Individuals Residing Abroad," Volume 3, Number 6, Concord, Massachusetts. "Mexican Tax Reforms," Texas Transnational Law Quarterly, International Law Section, The State Bar of Texas, February 2004, Volume 17, No. 4, Austin, Texas, 2004
  • "Structured Public Finance by Mexican States and Municipalities: Governmental Investment Certificates (Certificados Bursátiles Gubernamentales)," Texas Transnational Law Quarterly, International Law Section, The State Bar of Texas, Feb. 2004, V. 17, No. 4, Austin, Texas, 2004
  • "Mexico: Real Property Lease Payments to Foreign Residents," Practical Latin American Tax Strategies, World Trade Executive, Inc., April 2004, Volume 7, No. 4, Concord, Massachusetts, 2004
  • Current Monthly Contributor to Latin American Legal Developments Report, edited by the Inter-American Law Committee, Section of International Law and Practice, American Bar Association