A company declares one principal CAE (its main activity) and may add secondary CAEs for other activities it carries on. The CAE is recorded at incorporation and in the início de atividade at Finanças.●VERIFIED ·
Issuing authority
Diário da República — Decreto-Lei n.º 9/2025 (CAE-Rev.4)
Legal instrument
Decreto-Lei n.º 9/2025 (CAE-Rev.4)
Last verified
Review cadence
quarterly
Notes
The CAE drives statistics, the corporate-registry object and the tax declarations. Adding or changing an activity is done by amending the CAEs (a declaração de alterações at Finanças), not by obtaining a licence per activity.
Change history
Initial captureA company declares one principal CAE (its main activity) and may add secondary CAEs for other activities it carries on. The CAE is recorded at incorporation and in the início de atividade at Finanças.
No further changes recorded yet — unchanged since it was first captured.
