Useful information Rochaconta
The dates that matter,
in one place.
Check the monthly calendar of payments and obligations and find the resources you need to manage your business.
Tax calendar
September 2026
Current monthTax obligations · Key dates
September 2026
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|
Selected date
22
September
Indicative deadlines. Always confirm the official dates on the public portals.
Resources for businesses
Useful links.
Access the main public portals supporting your business.
- Portal das Finanças (opens in a new tab) Taxes, declarations and payments.
- Segurança Social Direta (opens in a new tab) Contributions and contribution records.
- ePortugal (opens in a new tab) Public services for businesses and citizens.
- IAPMEI (opens in a new tab) Support, financing and business development.
- Diário da República (opens in a new tab) Legislation and official publications.
- ACT (opens in a new tab) Information on labour relations.