
Combining ‘in-depth legal knowledge’ with a ’pragmatic, solution-oriented approach’, Morais Leitão, Galvão Teles, Soares da Silva & Associados advises across the full lifecycle of privacy and data protection matters with ‘excellence’, from compliance and regulatory advisory to administrative and judicial litigation. The ’highly specialised’ Tiago Félix da Costa leads the practice, combining expertise in data protection and litigation to advise major clients. Helena Tapp Barroso is valued for her ‘deep knowledge’ of data protection, having served as external Data Protection Officer (DPO), while also advising on day-to-day matters, complex privacy projects, international data transfers and AI usage. Maria da Assunção da Cunha Reis is recognised for her ’technical capacity’ in both data protection and litigation.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Sector knowledge
Testimonials
Collated independently by Legal 500 research team.
- ‘The privacy and data protection team at Morais Leitão distinguishes itself through a combination of in-depth legal knowledge with a pragmatic, solution-oriented approach. The firm offers a service of excellence, characterised by its ability to understand regulatory complexity and transform it into clear and actionable advice for clients.’
- ‘The team has outstanding availability, specific knowledge and competence to understand the business processes, thus being able to provide balanced options to address issues.’
- ‘Technical quality; critical judgment; innovation and creativity; business knowledge; ability to add value to the customer; availability and proximity.’
- ‘Tiago Félix da Costa and Maria da Assunção Cunha Reis are both highly specialised in privacy and personal data protection, with in-depth knowledge of both national and European legal frameworks. They combine technical rigour with a pragmatic approach that allows them to anticipate risks, structure mitigation measures, and create practical solutions aligned with business needs.’
- ‘Helena Tapp Barroso: knowledge, availability, customer focus, practicality.’
- ‘Helena Tapp Barroso stands out, as her strategic vision and deep knowledge of data protection make her an unavoidable reference in the sector. She is recognised for her ability to combine legal rigour with a collaborative and accessible approach.'
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Leading associates
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
Practice head
Tiago Félix da Costa
Other key lawyers
Helena Tapp Barroso; Maria da Assunção da Cunha Reis


