Corporate Acts in Portugal: Share Transfers, Corporate Object Amendments and Registered Office Changes

Tomás Melo Ribeiro | Lawyer

In the life of a private limited liability company in Portugal (sociedade por quotas), certain corporate acts require formal procedures and timely registration to produce valid legal effects. Among the most common are the transfer of shares (cessão de quotas), the amendment of the corporate object (alteração do objeto social) and the change of the company’s registered office (alteração da sede social). This insight outlines the legal requirements for each of these operations and highlights the importance of proper compliance with the applicable rules.

Share transfers are generally permitted in a sociedade por quotas unless restricted by the company’s articles of association (contrato de sociedade). Such transfers may arise from a sale, donation, exchange, or other voluntary act. When a transfer involves a third party, prior consent from the company is typically required, unless the transfer occurs between spouses, ascendants, descendants, or existing shareholders. Restrictions or prohibitions in the articles are valid if they represent the shareholders’ will and do not conflict with mandatory legal provisions. 

Any transfer must be executed in writing and signed by all involved parties. When it results in a change of control of more than 50% of the company’s share capital (capital social), a tax compliance declaration (declaração de situação tributária regularizada) must be submitted to the competent authorities.

If, as a result of the transfer, the company ends up with only one shareholder, it does not automatically become a single-member private limited company (sociedade unipessoal por quotas). A formal declaration must be issued by the sole shareholder, a registration by transcription (registo por transcrição) must be completed, and the company’s name must be updated to include “Unipessoal” before “Lda.” If new shareholders are later added, the reverse process must also be completed: registering the new shareholders, amending the articles of association and removing the word “Unipessoal” from the name.

Amending the corporate object is often necessary when a company decides to change or expand its business activities. Such a change must be approved by a resolution of the shareholders, typically requiring a qualified majority of 75% of the share capital, unless the articles of association specify a different rule.

Once approved, the change must be recorded in the meeting minutes (ata da assembleia de sócios), and the relevant clause in the articles of association must be amended accordingly. The amendment can be executed through a public deed (escritura pública) or by a private document signed by all shareholders. It must then be registered with the Commercial Registry Office (Conservatória do Registo Comercial), either in person or online via the ePortugal portal.

The change becomes legally effective once registered and is automatically published on the Ministry of Justice website, ensuring its public accessibility and enforceability.

Changing the company’s registered office follows a similar procedure. A resolution must be approved by the shareholders, documented in meeting minutes and followed by an amendment to the articles of association. The change must then be registered with the Commercial Registry Office.

If the new address is located in a different municipality (concelho), the company must obtain a certificate of admissibility (certificado de admissibilidade) from the National Registry of Collective Persons (Registo Nacional de Pessoas Coletivas), unless the company name is pre-approved or generic (nome de fantasia). In addition, documentation proving the company’s right to use the premises, such as a lease agreement or a usage declaration (declaração de utilização), may be required.

After registration, the new address is automatically communicated to the Portuguese Tax Authority (Autoridade Tributária e Aduaneira) and other relevant administrative entities.

All corporate acts must be registered within 30 days of the shareholder resolution. Once registration is complete, the updated information is reflected in the company’s permanent certificate (certidão permanente), contributing to legal certainty and transparency.

Although share transfers, corporate object amendments and registered office changes are common in business practice, they must follow formal procedures and be properly documented and registered. Non-compliance may result in delays, penalties or the invalidity of the intended changes. Legal guidance ensures that each step is executed under Portuguese commercial law, reducing risk and helping companies maintain up-to-date and legally sound corporate records.

For expert legal guidance on corporate acts in Portugal, including share transfers, corporate object amendments, and registered office changes, contact LVP Advogados.