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Tiago Caiado Guerreiro is a member and leader of the tax team at Caiado Guerreiro, leading operations related to international and planning taxation, stamp duty, tax inspections, VAT, tax procedure and litigation, taxation of regulatory activity and regional and local taxation, and tax arbitration.

Tiago Caiado Guerreiro has worked with large national and multinational companies in restructuring operations related to different taxes and issues involving the application of Double Taxation Treaties and EU tax law. He has also been actively involved in transfer pricing (both in the drafting phase of contracts and in the litigation phase), financial products, derivatives and securitization.

  • Rua Castilho, 39 - 15º
    Lisbon 1250-068
  • Harvard University, Strategic Negotiation Course
  • Law School of the Lisbon University, Postgraduate Diploma in Management and Taxation
  • Law School of the Lusíada University, Specialization course in Tax Law and practical course in Accounting and Balance Sheet Analysis
  • Law School of the Lusíada University, Graduate
Bar Admissions
  • Portugal, Portuguese Bar
  • Brazil, Brazilian Bar Association - São Paulo
  • Chamber of Chartered Accounts - Member of the Scientific Council
  • Forum for Competitiveness - Member of the Scientific Council
  • International Fiscal Association (IFA) - Member
  • International Tax Planning Association - Member
  • Portuguese Association of Owners - Vice-President
  • Portuguese Business Confederation (CIP) - Member of the Portuguese Industry Council
  • Portuguese Fiscal Association - Member
Court Admissions
  • Tax Arbitrator at the Center for Administrative Arbitration

Recognized in The Best Lawyers in Portugal 2024 for work in:
  • Tax Law
Special Focus:
  • Tax Litigation

Tell us a little bit about your practice and what makes it unique.

Tiago Caiado Guerreiro has a diverse and globalized tax practice, with a longstanding in-border and cross-border capability. Tiago Caiado Guerreiro provides innovative tax solutions for a wide range of clients, including both national and multinational corporate groups and medium companies, charitable bodies, real estate investment funds, private clients and high network individuals.

Regular commentator on TV, radio and newspapers.

What other interests do you have?

Professor at the Instituto Superior de Economia e Gestão - Financial and Insurance Taxation
Lecturer at Porto University Law School - Real Estate Tax

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