“Guido Vinci has an excellent reputation in the market and is proactive at making clients aware of potential law changes which could affect them. Excellent client service.”
Legal 500, ed. 2023


Guido Vinci is a partner in the Tax practice of Tauil & Chequer Advogados in the Rio de Janeiro office. Guido Vinci has extensive experience in tax planning, tax consulting and tax litigation, in particular in connection with M&A transactions, foreign investment, VAT (ICMS) issues and capital markets. His clients include Brazilian and international companies from a variety of industry sectors, such as consumer goods, industrial goods and services, energy (oil and gas), pharmaceutical, hospitality and leisure (hotel and resorts), infrastructure, media and entertainment, financial and banking services, technology (telecommunications) and retail, real estate and life sciences.

Guido started his career in 1989 as a member of KPMG’s tax department and left KPMG as a senior tax manager until 1996. In the same year, Guido joined a prominent Brazilian law firm as a founding partner of the tax department and stayed until 2006. In 2007, he joined another prominent Brazilian law firm as a partner. He has been a partner at Tauil & Chequer Advogados since 2015.


  • Portuguese
  • 英語
  • Italian
  • フランス語


  • Provided tax advice in connection with the whole implementation of the Brazil-Bolivia gas pipeline;
  • Provided legal and tax advice for the merger between Sony Music and BMG;
  • Provided tax advice to KBR (Halliburton) in connection with structuring and negotiating FPSO's Barracuda and Caratinga, in negotiations with Petrobras;
  • Provided advice in the corporate restructuring of several companies from the electricity industry, including Coelce, AES Sul and Elektro;
  • Advised British Gas during the privatization of Comgas and the subsequent corporate restructuring of this company;
  • Advised Terna Participações, the Brazilian subsidiary of Italian operator of electricity transmission networks Terna, in connection with the acquisition of a transmission company and the restructuring of its debts;
  • Advised Mexican pharmaceuticals distribution group Casa Saba in the US$115 million acquisition of drugstore chains Drogasmil and Farmalife, including more than 100 stores;
  • Advised Italian infrastructure group Atlantia and its Brazilian subsidiary Autostrade Concessões e Participações Brasil in contractual, corporate and tax issues relating to the creation of a US$3.3 billion joint venture with Grupo Bertin. This was one of the largest transactions ever in the Brazilian infrastructure sector.  The joint venture will be the largest Brazilian company specializing in highway concessions and will manage a portfolio of more than 1,500 km concentrated in the States of São Paulo and Minas Gerais, with approximate annual revenues of R$1 billion;
  • Provided advice in relation to the spin-off of the pharmaceutical operations of Schering Plough (currently MSD) from Mantecorp;
  • Advised TIM in the acquisition of Intelig;
  • Advised TIM in the acquisition of AES Atimus;
  • Provided advice in the sale by TIM of towers to American Towers;
  • Provided advice in connection  TIM’s bid to acquire GVT;
  • Managed the corporate restructuring of Brasil Telecom;
  • Managed the corporate restructurings of the TIM Group in Brazil from 1997 onwards;
  • Counsel to Cognita Group (England) in the acquisition of two primary/secondary schools, one in São Paulo (Play Pen School) and another one in Niterói, RJ (Gat Lussac School);
  • Sponsoring of tax actions and counsel for the Univercidade group (Rio de Janeiro);
  • Tax and acquisition counsel to Laureate group (the biggest educational group in The United States) in various tertiary schools all over Brazil;
  • Tax counseling for the Devry group (USA) in tax questions.


Universidade Federal do Rio de Janeiro (UFRJ), Bachelor of Law (JD equivalent)

Robert Kennedy College, Graduate Studies on International Tax Law


  • Brazil


  • Member of the International Bar Association (IBA)
  • Member of the International Fiscal Association (IFA)
  • Former president of the Fiscal Council of TIM S.A.
  • Ranked as Band 4 in Tax: Non-contentious at Chambers Global, 2021-2023
  • Ranked as Recommended in Tax: Advisory at Leaders League, 2023
  • Ranked as Tier 2 in Tax Advisory at The Legal 500, 2023
  • “Co-head of department Guido Vinci is a practitioner who tackles corporate tax matters on behalf of clients. He is able to assist with the tax elements of M&A and finance transactions.”, Chambers Global, 2023
  • “Guido Vinci has an excellent reputation in the market and is proactive at making clients aware of potential law changes which could affect them. Excellent client service.” Legal 500, 2023
  • Ranked as Band 3 in Tax: Rio de Janeiro at Chambers Brazil, 2022
  • Ranked as Recommended in Corporate Tax at Who's Who Legal, 2019, 2020 and 2022
  • "Guido is our go-to tax adviser. He has a deep understanding of our business and is very responsive." Chambers Brazil, 2022
  • "He is a brilliant professional and a very polite person.", Chambers Brazil , 2022
  • “Partner Guido Vinci is a well-regarded practitioner with substantial experience in tax consulting, tax planning, and non-contentious work. He has national and international clients.” Chambers Tax: Rio de Janeiro, 2022
  • LACCA Approved, 2018, 2019 and 2021
  • Ranked as Highly Recommended in Tax: Counsel at Leaders League Brazil Best Counsel, 2018, 2019, 2020 and 2021
  • Partner Guido Vinci remains well regarded among sources due to his solid consultancy practice. He boasts particular expertise advising clients on an array of tax matters arising from large corporate transactions. "He recently demonstrated great experience and technical knowledge when carrying out a risk analysis in connection with an acquisition," reports a client. Another interviewee adds: "He is an important figure in the field.", Chambers Latin America and Chambers Global , 2021
  • A client underlines his "responsiveness and practical approach," adding: "Brazil has a complex tax system and Guido is able to untangle that complex environment and articulate solutions. He advises me on what to do, instead of only pointing out problems.", Chambers Latin America, 2020
  • Partner Guido Vinci is held in high esteem by clients, one of whom says: "It gives me a lot of confidence to have him advising me on Brazilian matters, as he has an international mindset, experience and a practical and solution-oriented approach.", Chambers Global, 2019
  • “An excellent tax lawyer, with excellent awareness of issues faced by in-bound investors into Brazil”. Latin Lawyer 250, 2019
  • Commended for “experience, skills and familiarity with business needs.”, Latin Lawyer 250, 2018
  • Guido Vinci is admired for his extensive experience advising domestic and foreign companies on tax planning, consultancy and litigation related to M&A transactions, foreign investment and VAT issues.
  • Sources describe him as "a highly knowledgeable lawyer," whose "style of work is perfectly in line with our business needs.", Chambers Latin America, 2018
  • “Clients single him out for his cross-border experience and highlight "his in-depth familiarity with taxation issues affecting foreign groups with operations in Brazil.”, Chambers Latin America, 2017