BAS, Law Firm SP, RL, is born from an innovative project based on the meeting of minds of a senior team with the best technical quality and solid experience in various areas of law, acting mainly, nowadays, as a firm providing differentiated consultancy across all areas of activity, with particular focus in the areas of Health Law, Labour Law, Administrative Law, Public Procurement, Administrative Litigation, Civil Litigation, Intellectual Property, Corporate Law; Banking and Finance Law, as well as in the increasingly important area of Economic and Financial Criminal Law.
The professionals who constitute the society, most of them with many years of experience in their respective areas of practice, guarantee a qualified advice, providing valuable legal knowledge to the challenges presented by the clients.
The use of new technologies is a major concern at BAS, either in the interaction with the customer – providing tailor made solutions for his access to relevant information, or to support the activity of all professionals working in the firm.
Professional seniority, Excellence and rigor
BAS plays also an active role in social responsibility by accepting pro bono requests to support projects in the areas of Health and Culture.
With headquarters in Lisbon and an office in Oporto, BAS is present in Portuguese-speaking countries such as Angola, Mozambique and Brazil.
News
stay informed.

Awards 2025
Awards 2025 BAS saw its teamwork recognised for the second year running at the Iberian Lawyer Labour Awards 2025 with the Law Firm of the […]

Labour Codebook
Labour Codebook “Annotated Labour Code” – 14th edition (2025) published by the Almedina Group is an essential work organized by the illustrious co-authors Pedro Romano Martinez, […]

Leaders League: Data Protection & Cybersecurity 2024
Leaders League: Data Protection & Cybersecurity 2024 BAS – Sociedade De Advogados – and lawyers Cláudia Monge and Marco Aurélio Constantino have been honored in […]

Iberian Lawyer Labour Awards 2025 finalists
Iberian Lawyer Labour Awards 2025 BAS is proud to announce another achievement at the IBERIAN LAWYER Labour Awards 2025, with five of its lawyers among […]
Professional competence, experience and academic recognition
Professional ethics and deontology
New Technologies and innovation for the benefit of the client
Cohesion and solidarity
Events
Know our events
#YoSoyASNALA
#YoSoyASNALA Lawyers Alexandra Almeida Mota and Dália Cardadeiro were invited to participate in the XXIV Congress of ASNALA – Asociación Nacional de Laboralistas, which took […]
Read moreNewsletter
Subscribe our newsletter
Lisboa
Rua Artilharia Um, 51
Páteo Bagatela, Edifício 1, 4º Andar
1250-137 Lisboa
+351 211 554 330
+351 211 554 350
Porto
Edificio Scala
Rua de Vilar, n.235, 2. DTO
4050-626 Porto
+351 220 118 647
+351 224 064 415