Diego Quiros is a BLP Associate based in Costa Rica. He specializes in Business Law with experience advising on mergers and acquisitions in different industries. He has also directed and conducted due diligence and participated in different types of financings, various contractual matters, and corporate restructurings. Diego joined BLP as a paralegal and was promoted to associate in 2023.

  • Business Law


  • Law degree, specializing in Financial Law, University of Costa Rica, 2022.


  • Spanish
  • English
  • Costa Rican Bar Association: member
  • International Bar Association: member
  • Avianca financial restructuring process. BLP advised Latin American airline Avianca during the restructuring process to obtain short-term financing and eliminate more than $1 billion in liabilities. In October 2021, the airline received court approval for its restructuring plan in New York. The financing plan was recognized as Deal of the Year by Latin Finance and Latin Lawyer.
  • The Republic of Costa Rica issues $1.5 billion in Eurobonds. BLP acted as local advisor to the banking group comprised of Santander US Capital Markets LLC and J.P. Morgan Securities LLC, who acted as initial purchasers and joint bookrunners in the issuance of $1.5 billion in foreign currency bonds with a yield of 6.55%, maturing in 2034.
  • Celsia sells part of its assets in Central America. BLP advised Celsia on selling certain generation assets in Costa Rica to EnfraGen, including the review and structure of local aspects under Costa Rican law and the review of the Stock Purchase Agreement and accessory documents.
  • Cementos Progreso is expanding its presence in Central America. BLP has advised Cementos Progreso Holdings, S.L. on the $335 million acquisition of assets from Cemex, S.A.B of C.V. in Costa Rica and El Salvador. The acquisition includes a cement plant, a cement mill, various ready-mix concrete plants, an aggregates quarry, and distribution centers in Costa Rica and El Salvador. The transaction bolsters Cementos Progreso’s expansion in Central America, consolidating operations in seven countries.
  • AkzoNobel completes Grupo Orbis acquisition. BLP advised the seller, Grupo Orbis (Pintuco), on this regionally impactful transaction, employing attorneys from our offices in Costa Rica, Nicaragua, Honduras, El Salvador, and Guatemala, coordinating with lawyers in Panama, and conducting due diligence in the jurisdictions of Central America.
  • BLP advised the world’s second-largest salmon farmer. BLP has advised Chilean company Agrosuper and its subsidiary, Empresas Aquachile S.A., on the sale of Grupo ACI S.A., to Industrias Martec (one of the largest marine fish processing and mariculture companies in Central America). The sale of Grupo ACI involves the indirect transfer of three Costa Rican operating subsidiaries and one U.S. entity.