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We provide highly specialized tax advisory services, always offering innovative approaches that go far beyond the numbers. We navigate the tax system deeply and efficiently, with an understanding of the practical implications of the choices made, to provide the best solutions to our clients. Our focus is on supporting them in making the best decisions for their businesses and delivering valuable results, whether through credit recoveries or negotiating and canceling tax assessments. 

Our team includes respected professionals in the market, recognized in national and international rankings, who possess profound knowledge in both Tax Law and accounting and corporate matters. This allows us to provide comprehensive consultancy in various areas, addressing legal, tax, financial, and commercial aspects. This experienced team also enables us to efficiently manage tax processes (administrative and judicial) with a highly specialized approach, which has generated excellent results for our clients, both in specialized litigation cases and in managing tax liabilities. The multidisciplinarity of our tax practice professionals enables us to serve clients of various sizes and from diverse economic sectors with quality and speed. 

Our goal is to identify what adds the most value to the client's business, reducing costs, recovering credits, and optimizing tax matters, aiming for maximum efficiency and tax compliance for their operations. 

  • Conducting legal audits, due diligence, and tax investigations to identify and assess tax liabilities
  • Assisting in the examination and obtaining of special regimes and sectoral benefits with Federal, State, and Municipal tax authorities
  • Support in adhering to tax amnesty and/or installment payment programs
  • Handling tax transactions to resolve disputes
  • Working towards regularizing tax status and providing guarantees
  • Drafting and conducting administrative defenses involving any tax-related issues
  • Representing clients in tax-related judicial processes of any nature, whether individual or collective actions, across Brazil and at all levels
  • Recovering taxes paid improperly through administrative and judicial channels
  • Reviewing tax impacts in Brazil and internationally, including analysis of treaties to prevent double taxation
  • Advising on the interpretation and application of transfer pricing rules
  • Supporting the implementation of foreign investments, including defining the most tax-efficient business model to adopt in Brazil
  • Analyzing risk of loss in tax disputes for accounting and legal purposes
  • Assisting in mapping and analyzing different tax models for projects
Tax Practice Numbers
+ 2k lawsuits and administrative proceedings
+ 400 active clients
+ 100 transactions per year

Our specialist practice areas

Awards & Recognitions
01
  • Quote
    "I recommend them because they're great. They deliver high-quality work in a very responsive way and always meet deadlines. They're also very up to date and always keep me posted on tax news."
    Chambers and Partners
  • Quote
    "They're able to provide high-quality assessments and strategies over indirect tax matters and opportunities, as well as very detailed, deep and clear memos. They also show business acumen."
    Chambers and Partners
  • Quote
    “Throughout the process, our internal team felt heard. The people at FAS were able to understand our needs and adapt along the way.”
    Legal 500
  • Quote
    “The Tax practice at FAS serves companies from the financial, oil and gas, and retail sectors, representing them in judicial and administrative tax processes. The team has extensive experience in representing clients in disputes involving PIS and COFINS, ICMS and ISS, as well as sector-specific taxes like FUST and FUNTTEL.”
    Chambers and Partners