Abreu Advogados


Av. Infante D. Henrique, 26
1149-096 Lisboa

+351 21 723 18 00

Key contacts:

Managing Partner: Inês Sequeira Mendes
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Quick facts:

Number of partners: 41
Number of advisors: 200+
Network memberships: IBA, Multilaw, Consulegis, AIJA, UIA, CIArb, ABA, amongst others
Languages: English, French, German, Italian, Portuguese, Spanish

Abreu Advogados is a big four independent law firm with over 30 years of experience in the Portuguese market, navigating in tomorrow´s sectors and industries. As a full service law firm, Abreu is recognized as the 11th fastest growing Portuguese firm by The Lawyer Euro 100, with 51% growth in 5 years.

With offices in Lisbon, Porto and Funchal, Abreu has provided highly effective solutions in areas such as Corporate/M&A, Tax, Litigation and Competition. The team holds a high degree of specialization in key industries for the Portuguese and African economies, such as Energy and Natural Resources, Real Estate, Banking, Technology, Life Sciences, Projects, Tourism and Hospitality.

Its clients consistently choose the firm to seize growth opportunities and to assist on increasingly complex international transactions whilst working with the most prestigious law firms in the world.

The firm´s successfully implemented strategy is to be disruptive and challenge the status quo. Considered a leading Tech firm in the Finance, Fintech and TMT areas, its teams have analyzed the consequences not yet addressed of corporate models, such as cryptocurrency and blockchain.

Abreu Advogados is a member of several Associations of international Lawyers, such as Consulegis, AIJA, UIA, CIArb, ABA, amongst other, providing Clients with the benefits of global service. Its international visibility has been strengthened through the relationship with Multilaw, which has allowed the firm to assist clients from various jurisdictions.

Abreu Advogados is committed to setting the future in progress.


Powered by tomorrow’s challenges

Embracing sustainability is part of the DNA of Abreu Advogados. This is its identity and has led the firm to assume an active commitment towards its culture and people.

Since 2015, Abreu Advogados is the only Law Firm in Portugal certified B Corp and understands its practice as a force for good. Abreu Advogados aims to serve as an example in the construction of a law firm that values, supports and promotes best practices at a social, economic and environmental level.

By certifying its quality management system under the European ISO 9001 standards, the firm became the first law firm in Portugal to do so and to subsequently publish a Sustainability Report. Abreu Advogados is also the first (and still the only) Portuguese law firm to publish a Sustainability Report under the directives issued by the GRI (Global Reporting Initiative), to publish its accounts and to measure its carbon footprint.

Abreu Advogados is powered by tomorrow´s challenges and well positioned to advise its clients on ESG matters, advising companies from many different sectors, as well as public bodies and non-governmental organizations on all aspects related but not limited to environmental law, including environmental impact assessments, prior information procedures, and licensing and certification of economic activities, effluent management and waste management.

30 years of sustainable growth

For the past three decades, Abreu has led the way in creating long term partnerships with its clients and relied on diverse talent and expertise.Abreu's core is deeply non-conformist and fearless when diving into what are now the most innovative sectors and industries.

Being recognized by the successful and sustainable regulatory solutions it presents, on different sectors and jurisdictions, Abreu Advogados aims at the continuity of its clients businesses - which have been its biggest champions.

Its strength? Truly challenging and winning business models. By embracing consistency and bold strategies, Abreu has paved the way for the next thirty years in the legal sector, as a leading law firm in the Portuguese market.

Compliance management

  • Business model optimisation
  • Economic modelling
  • Policy design
  • IP management
  • Technology services

Corporate tax matters

  • Cross-border project management
  • Restructuring
  • Cost-sharing arrangements
  • APAs
  • Transactions
  • M&A
  • Environmental
  • Financial services
  • Corporate taxes
  • Technology
  • Cryptocurrency
  • Value chains

Dispute resolution

  • Audit defence
  • Audit support
  • Competition/anti-trust cases
  • Dispute resolution
  • Pre-litigation
  • MAPs/ADRs
  • Litigation
  • Arbitration
  • Controversy management
  • State aid

Tax advisory

  • Tax consulting
  • International tax advisory

Indirect tax

  • VAT
  • GST
  • Customs
  • Supply chains


  • Agrofood
  • Automotive
  • Banking
  • Construction and materials
  • Consumer goods and services
  • Energy
  • Financial services
  • Fisheries and aquaculture
  • Gaming
  • Government and public policy
  • Healthcare
  • Industrials
  • Insurance
  • Investment management
  • Media
  • Mining
  • Natural resources
  • Oil and gas
  • Pharma and life sciences
  • Real estate
  • Shipping
  • Tech and telecoms
  • Tourism
  • Transport
  • Utilities
  • Other

Rua S. João de Brito, 605 E – 4º
4100-455 Porto
T: (+351) 22 605 64 00
E: info@abreuadvogados.com
W: www.abreuadvogados.com

  • Tax Head Partners bio:

             Alexandra Courela
             Nuno Cunha Barnabé