Who we are

TSA Advogados is a multidisciplinary firm that advises national and international entities, with a particular focus on regulated sectors and of public domain. The firm is led by Tiago Souza d’Alte, a lawyer with experience in the areas of practice in which TSA Advogados operates.

We work in coordination with a network of recognized experts in complementary areas, allowing us to provide comprehensive advice tailored to the specific needs of each project or challenge.

At TSA Advogados we value a personalized, close, and strategic approach. We aim to build lasting relationships with our clients, contributing to secure, sustainable, and effective legal solutions.

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Areas

Transport & Infrastructure

Road, rail, maritime & port, aviation
Infrastructure (build, operate)
Public service operation (passengers, cargo)
Soft mobility frameworks

Water & Waste

Water supply, sanitation, waste management
Infrastructure (build, operate)
Public service operation (concession, delegated management, etc.)
Economic and financial frameworks

Energy & Natural Resources

Low voltage networks
Distribution and charging infrastructure for mobility
Prospecting and exploitation of mineral and geological resources
Environmental compliance

Services

TSA Advogados works across these areas, assisting in all phases of the project lifecycle, from planning and implementation to dispute prevention and resolution.

Regulation & Public Affairs
National, inter-municipal, and municipal governance
Administrative Law, Financial Law, and Public Procurement
Litigation and Arbitration

ADDRESS

Calçada Nova de São Francisco 10, 1.º
1200-300 Lisboa

Contacts

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+351 213 427 850