Chapter X · Single-member private limited companies

Article 270-A Formation

Artigo 270.º-A · Constituição

Código das Sociedades Comerciais · Decree-Law No. 262/86 · consolidated text checked 26 October 2026

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1. A single-member private limited company is formed by a sole member, whether a natural or a legal person, who holds the entire share capital.

1 - A sociedade unipessoal por quotas é constituída por um sócio único, pessoa singular ou colectiva, que é o titular da totalidade do capital social.

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2. A single-member private limited company may result from the concentration of the quota interests of a private limited company in the hands of a single member, irrespective of the cause of the concentration.

2 - A sociedade unipessoal por quotas pode resultar da concentração na titularidade de um único sócio das quotas de uma sociedade por quotas, independentemente da causa da concentração.

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3. The conversion provided for in the preceding paragraph is effected by a declaration of the sole member stating the wish to convert the company into a single-member private limited company, and that declaration may be included in the very document recording the assignment of quota interests.

3 - A transformação prevista no número anterior efectua-se mediante declaração do sócio único na qual manifeste a sua vontade de transformar a sociedade em sociedade unipessoal por quotas, podendo essa declaração constar do próprio documento que titule a cessão de quotas.

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4. As a result of the conversion provided for in paragraph 3, all provisions of the articles of association that presuppose a plurality of members cease to apply.

4 - Por força da transformação prevista no n.º 3 deixam de ser aplicáveis todas as disposições do contrato de sociedade que pressuponham a pluralidade de sócios.

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5. An individual limited liability establishment may at any time be converted into a single-member private limited company by written declaration of the person concerned.

5 - O estabelecimento individual de responsabilidade limitada pode, a todo o tempo, transformar-se em sociedade unipessoal por quotas, mediante declaração escrita do interessado.

What we checked in this article

Formation by a single natural or legal person holding the entire capital, conversion by the sole member's declaration on concentration of quota interests, the disapplication of plurality-based provisions, and conversion of an individual limited liability establishment at any time by written declaration are retained.

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Unofficial English translation prepared by BCA Portugal for reference. Only the Portuguese text published in the Diário da República has legal force. Editorial notes are ours and are not part of the statute.

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