DIFFERENCE BETWEEN ARTICLES OF ASSOCIATION AND SHAREHOLDERS’ AGREEMENT
- Rodrigo Adoniran Villela
- Apr 23
- 1 min read
Many entrepreneurs confuse the Articles of Association (Contrato Social) with the Shareholders’ Agreement, but while both address ownership and corporate governance, they serve different legal and practical purposes.

🧾 What is the Articles of Association?
In Brazil, the Articles of Association is the mandatory founding document for a limited liability company (LTDA). It must be filed with the state’s Board of Trade and includes:
Company name and business purpose
Capital contribution and ownership percentages
Registered office address
Management and representation rules
Decision-making quorum
It is a public legal instrument and essential for obtaining a CNPJ (Brazilian Tax ID) and formal company recognition.
🤝 What is a Shareholders' Agreement?
The Shareholders’ Agreement is a private contract among partners that outlines internal rules, strategic goals, and dispute resolution mechanisms. It typically includes:
Buy-sell clauses
Profit distribution policies
Voting rights and obligations
Confidentiality and non-compete clauses
Conflict resolution procedures
Unlike the Articles of Association, it is not mandatory and does not need to be filed with public agencies unless intended to have enforceability against third parties.
⚖️ Key differences
Articles of Association | Shareholders’ Agreement |
Mandatory | Optional |
Public document | Private agreement |
Registers the company | Regulates internal relationships |
Filed with Board of Trade | Can be filed or kept private |
Legal structure | Strategic and relational terms |
📌 Final thoughts
The best practice is to have both documents in place. The Articles of Association formalizes the company, while the Shareholders’ Agreement ensures clarity and stability among the partners, helping to prevent internal conflicts.




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