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Juliana Costa

Juliana Costa


Legal Practice Areas



Capital Markets


Juliana is a partner of Campos Mello Advogados with over 15 years’ experience in the tax practice.


Juliana’s practice emphasis is in tax planning and consulting to Brazilian and foreign clients across a variety of industries, including energy, technology, oil & gas, financial market, venture capital, telecommunication, infrastructure, among others.


Juliana has extensive experience advising clients on the tax implications arising from corporate reorganizations, M&As, debt restructurings, cross-border transactions, domestic taxation, including imports/exports and routine tax issues.


In addition, Juliana also advises on tax judicial and administrative litigation at federal, state and municipal levels.


Admitted to practice law in Brazil, Juliana completed her Master of Laws (LL.M.) in Advanced Studies in International Tax Law at the International Tax Center – Leiden University, The Netherlands.




  • International Tax Center – Leiden University, The Netherlands. Master of Advanced Studies in International Tax Law (LLM adv.), 2016.
  • Brazilian Tax Institute (IBET), Tax Law Specialist Degree (postgraduate – lato sensu), 2012.
  • Universidade do Estado do Rio de Janeiro (UERJ), School of Law, B.A., 2008.



Brazilian Bar Association (OAB), Rio de Janeiro and São Paulo Chapters




Juliana was recognized Lawyer in Tax Advisory

  • Leaders League – 2024




  • Portuguese
  • English