The firm started its activity in 1928, in Lisbon. It opened an office in Porto in 1989 and an office in Maputo (Mozambique) in 1998.

In February 2000, the firm signed with the law firm Cuatrecasas a professional integration agreement.

In March 2005, it signed with the law firm Luiz Gomes & Associados an agreement that resulted in the integration of their practices.

The team of the law firm Almeida Sampaio & Associados joined the Firm in April 2008.

In February 2009, as a result of the integration agreement with Cuatrecasas, the firm changed its name from Gonçalves Pereira, Castelo Branco, to Cuatrecasas, Gonçalves Pereira; this name was adopted by the firm in Portugal, in Spain and worldwide.

Today, the firm has 170 lawyers, 25 of which are partners, and 75 other employees, with a total of 245 people working on a permanent and exclusive basis.

The essential areas of practice of the Firm are Corporate and Commercial Law in general, Contracts, Mergers and Acquisitions, Private Equity, Administrative Law, Regulatory and Public Procurement, Banking and Financial Law, Capital Markets, Project Finance, Real Estate, Restructuring, EU and Competition Law, Tax Law, Litigation, Arbiration, Criminal Law and Misdemeanours, Labour Law, Energy, Transport Law, Pharmaceutical Law, Intellectual Property, Media and Information Technology

The firm represents some of the major Portuguese and international companies and its lawyers are fluent in English, French and Spanish.