Chapter VI · Residence in national territory · Section II · Residence permit · Subsection IV · Residence permit for family reunification

Article 100 De facto union

Artigo 100.º · União de facto

Lei n.º 23/2007, de 4 de julho (Lei de Estrangeiros) · consolidated text, as amended by Law No. 62/2026, checked 26 October 2026

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1. Family reunification may be authorised with:

1 - O reagrupamento familiar pode ser autorizado com:

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a) The partner who, in national territory or outside it, is in a de facto union with the resident foreign national, duly proven in accordance with the law;

a) O parceiro que mantenha, em território nacional ou fora dele, com o cidadão estrangeiro residente uma união de facto, devidamente comprovada nos termos da lei;

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b) The unmarried minor or incapacitated children, including the adopted children, of the de facto partner, provided that they have been legally entrusted to that partner.

b) Os filhos solteiros menores ou incapazes, incluindo os filhos adoptados do parceiro de facto, desde que estes lhe estejam legalmente confiados.

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2. The provisions on the exercise of the right to family reunification apply, with the necessary adaptations, to family reunification under the preceding paragraph.

2 - Ao reagrupamento familiar nos termos do número anterior são aplicáveis, com as necessárias adaptações, as disposições relativas ao exercício do direito ao reagrupamento familiar.

What we checked in this article

Verify that the de facto union must be duly proven in accordance with the law, the conditions for the partner’s children in paragraph 1(b), and the application mutatis mutandis of the family reunification rules in paragraph 2.

Moving to Portugal, or bringing a team or family? Article 100 may decide what you can apply for.

We map the visa and residence route that fits your activity, prepare the company side (contracts, payroll, registrations) and coordinate with immigration lawyers for the application itself. A written answer and a fixed quote within one working day.

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.

Applying the law

Visas and residence in Portugal, planned together with the company

The permit depends on what you will do here: employment, your own company, remote work for a foreign employer or investment. Tell us the plan, and we will set out which route the Act gives you and what the company needs to have in place.

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