Portuguese Citizenship by Naturalisation

Who it's for

Long-term legal residents of Portugal who meet the residence, language and integration requirements.

Key requirements

• The qualifying period of legal residence in force at the time of application (recently increased by the 2026 nationality-law reform; the period varies by nationality)
• Portuguese language proficiency at A2 level or above
• Knowledge of Portuguese civic/cultural matters and a clean serious-criminal record
• Declaration of adherence to democratic principles
• Application processed under the Nationality Law as amended

How ACME helps

Our licensed advisors assess your eligibility, build a strategy to strengthen your application, and manage the process end to end, so you submit a complete, competitive application with confidence.