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Gustavo Coelho

Bastilho Coelho Advogados

Profile

Lawyer focused on corporate, antitrust, contract law, litigation and arbitration. Gustavo has extensive experience in M&A transactions, strategic business legal advisory, and corporate and contractual negotiations for both domestic and international clients.

Activities

  • Business Law Professor at IBMEC Law School.

  • Member of the Executive Committee of the International Association of Young Lawyers (AIJA).

  • President of the International Business Law Commission (IBLC) + Sports Law of the International Association of Young Lawyers (AIJA).

  • Member of the International Bar Association (IBA).

  • Member of the Antitrust Law Section of the Brazilian Bar Association – Rio de Janeiro Chapter (OAB/RJ).

  • Member of the Business Law Section of the Brazilian Lawyers Institute (IAB).

  • Member of the Business Law Section of the Brazilian Bar Association – Rio de Janeiro Chapter (OAB/RJ).

Profile

Lawyer focused on corporate, antitrust, contract law, litigation and arbitration. Gustavo has extensive experience in M&A transactions, strategic business legal advisory, and corporate and contractual negotiations for both domestic and international clients.

Activities

  • Business Law Professor at IBMEC Law School.

  • Member of the Executive Committee of the International Association of Young Lawyers (AIJA).

  • President of the International Business Law Commission (IBLC) + Sports Law of the International Association of Young Lawyers (AIJA).

  • Member of the International Bar Association (IBA).

  • Member of the Antitrust Law Section of the Brazilian Bar Association – Rio de Janeiro Chapter (OAB/RJ).

  • Member of the Business Law Section of the Brazilian Lawyers Institute (IAB).

  • Member of the Business Law Section of the Brazilian Bar Association – Rio de Janeiro Chapter (OAB/RJ).

Education

Doctor  of Laws
UERJ, Rio de Janeiro
Master of Laws
UERJ, Rio de Janeiro
Graduated in Law
UFRJ, Rio de Janeiro

Practice Areas

  • Corporate Law

  • Competition Law 

  • Commercial Contracts

  • Litigation & Dispute Resolution

Languages

Portuguese, English and Spanish

M&A and taxation: income tax on contingent purchase price – Solução de Consulta Cosit No 96/2026

On 1 July 2026, the Brazilian Federal Revenue Service (RFB) published Solução de Consulta Cosit No 96/2026, a binding ruling addressing the computation of capital gains tax on contingent purchase ...

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COSIT Ruling No. 56/2026 — Pass-through LLCs with non-U.S. resident members classified as beneficiaries of a privileged tax regime

On April 15, 2026, the Brazilian Federal Revenue Service (“RFB”) published COSIT Ruling No. 56/2026, consolidating the position that U.S. Limited Liability Companies (“LLC”) whose membership is composed of non-U.S. ...

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AIJA’s 63rd Annual Congress – Empower Nextgen – meeting young lawyers where they are

Between August 25 and 30, partner Gustavo Flausino Coelho will attend the event AIJA’s 63rd Annual Congress – Empower Nextgen – meeting young lawyers where they are, organized by @AIJA – ...

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M&A and taxation: income tax on contingent purchase price – Solução de Consulta Cosit No 96/2026

On 1 July 2026, the Brazilian Federal Revenue Service (RFB) published Solução de Consulta Cosit No 96/2026, a binding ruling addressing the computation of capital gains tax on contingent purchase price, with a direct bearing on M&A transactions. The new position is of particular relevance to sellers of equity interests who are subject to the […]

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COSIT Ruling No. 56/2026 — Pass-through LLCs with non-U.S. resident members classified as beneficiaries of a privileged tax regime

On April 15, 2026, the Brazilian Federal Revenue Service (“RFB”) published COSIT Ruling No. 56/2026, consolidating the position that U.S. Limited Liability Companies (“LLC”) whose membership is composed of non-U.S. residents and which are treated as pass-through entities under U.S. federal tax law fall squarely within the concept of privileged tax regime set forth in […]

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