António Gaio

Marta Fonseca Ferreira is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Marta Fonseca, who practices law in Lisbon, Portugal, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marta Fonseca is held by other top lawyers in the same geographic and legal practice area.

Gonçalo Gil Barreiros is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. Gonçalo, who practices law in Lisbon, Portugal, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Gonçalo is held by other top lawyers in the same geographic and legal practice area.

Pedro is the founding partner and the Chairman of the Board of Directors of the firm. He has been a distinguished Lisbon corporate lawyer for more than 25 years now and has led the firm’s outstanding growth since its formation in 2001. Pedro’s knowledge of the Portuguese corporate and commercial system is among the deepest in the market. He is currently President of the Portuguese Task Force on Green Economy at the International Chamber of Commerce (ICC) and has held a host of oth...

Rui Resende is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative Law. Rui, who practices law in Lisbon, Portugal, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Rui is held by other top lawyers in the same geographic and legal practice area.

Susana Santos Valente is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation. Susana Santos, who practices law in Lisbon, Portugal, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Susana Santos is held by other top lawyers in the same geographic and legal practice area.

Ana Algarvio de Sousa is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law. Ana Algarvio de, who practices law in Lisbon, Portugal, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ana Algarvio de is held by other top lawyers in the same geographic and legal practice area.

David Coelho is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative Law and Public Law. David, who practices law in Lisbon, Portugal, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David is held by other top lawyers in the same geographic and legal practice area.

Luiz Augusto Teixeira de Freitas is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Tax Law. Luiz Augusto, who practices law in Lisbon, Portugal, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Luiz Augusto is held by other top lawyers in the same geographic and legal practice area.

Luís Castilho has over 15 years of hands-on experience in the field and has worked in Top Tier 1 firms and Big4 consultancy firms for almost 10 years, with a more recent passage by the Government. In January 2025 Luís launched his own law firm, called CASTILHO. CASTILHO is more than just a law firm. It’s a Partner in Tax, Family, and Corporate Law that aims to deliver straightforward advice, with zero jargon and a refreshingly approachable style. Luís started out as...

Founding Partner of RSA LP President of the Lisbon District Council of the Portuguese Bar Association for the 2005-2007 period Member of the Advisory Council for Justice of the Ministry of Justice by appointment of the Bar Association in 2002 Member of the Portuguese Bar Association since 1989 Practice Areas: (i) Public Litigation and Arbitration; (ii) Real Estate Law; (iii) Investment Projects and Vehicles; (iv) General Litigation; (v)Corporate Governance; (vi) Business Revitalization and Re...