Mariana Gouveia de Oliveira > Abreu Advogados > Lisbon, Portugal > Lawyer Profile
Abreu Advogados Offices

Av. Infante D. Henrique, 26
1149-096
Portugal
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Mariana Gouveia de Oliveira

Work Department
Tax
Position
Professional Partner
Career
Mariana Gouveia de Oliveira has been a professional partner at Abreu Advogados since 2019, working predominantly in business structuring operations and corporate restructuring, and also tax litigation.
She has been particularly involved in matters related with the implementation of new investment projects, in Portugal, Angola and Mozambique, in particular regarding international taxation issues, project finance and VAT. She has led several cases of tax litigation involving double taxation issues, breach of European Union law, stamp duty in financing and VAT. She provides support to several family groups on tax matters and asset structuring, guaranteeing their transfer through generations.
She also has important experience in implementing projects in the energy sector, particularly in the oil and mining sector.
Mariana is also recognised for her vast experience in indirect taxation matters, with special focus on VAT.
Languages
Portuguese, English.
Memberships
Portuguese Bar Association
International Fiscal Association
Portuguese Tax Association
Education
Degree in Law from the University of Lisbon Faculty of Law (2001)
Postgraduate Course in Tax Law, University of Lisbon Faculty of Law (2003)
Postgraduate Course in Taxation, Instituto Superior de Gestão (2005)
Lawyer Rankings
Portugal > Tax
Fielding a team of ‘highly specialised professionals’, Abreu Advogados is a standout in the tax space, frequently advising on complex matters including green taxation, blockchain, and digital assets. Founding partner Miguel Teixeira de Abreu is a leading authority in international tax affairs. Alexandra Courela co-leads the team, offering expert guidance to domestic and international clients, while Nuno Cunha Barnabé is a trusted adviser to high-net-worth individuals, family offices, and asset managers in Portuguese-speaking markets. Mariana Gouveia de Oliveira’s proficiency spans income tax, transfer pricing, and indirect tax. Mariana Gouveia de Oliveira is active in cross-border mandates, a central area of expertise for the firm. Heading the Porto-based tax practice, Maria Dulce Soares is highly experienced in both transactional and contentious matters, while Susana Duarte is particularly noted for her corporate income tax expertise.
Fielding a team of ‘highly specialised professionals’, Abreu Advogados is a standout in the tax space, frequently advising on complex matters including green taxation, blockchain, and digital assets. Founding partner Miguel Teixeira de Abreu is a leading authority in international tax affairs. Alexandra Courela co-leads the team, offering expert guidance to domestic and international clients, while Nuno Cunha Barnabé is a trusted adviser to high-net-worth individuals, family offices, and asset managers in Portuguese-speaking markets. Mariana Gouveia de Oliveira’s proficiency spans income tax, transfer pricing, and indirect tax. Mariana Gouveia de Oliveira is active in cross-border mandates, a central area of expertise for the firm. Heading the Porto-based tax practice, Maria Dulce Soares is highly experienced in both transactional and contentious matters, while Susana Duarte is particularly noted for her corporate income tax expertise.
Lawyer Rankings
Top Tier Firm Rankings
Firm Rankings
- Banking and finance
- Commercial, corporate and M&A
- Dispute resolution
- Employment
- Energy and natural resources
- Fraud and white-collar crime
- Porto: Leading commercial firms
- Projects and project finance
- Real estate and construction
- Transport
- Capital markets
- Data privacy and data protection
- EU and competition
- Insolvency and restructuring
- Public law
- TMT