As the 2025 year-end closing approaches, companies must ensure full compliance with accounting and tax obligations.
This process is crucial to maintaining financial transparency and legal compliance.
In this article, we outline the key steps and deadlines throughout the closing process.
1. Importance of the year-end closing
The year-end closing is a mandatory annual procedure for all entities with organised accounting.
It aims to determine the year’s financial result, prepare financial statements and ensure that the records accurately reflect the company’s financial position.
2. Main stages of the 2025 closing
The process includes:
- Account reconciliation and verification of balances, clients, suppliers, and inventories.
- Adjusting and closing entries (depreciations, provisions, accruals and deferrals).
- Preparation of financial statements (balance sheet, income statement, notes, and cash flow statement).
- Approval and filing of accounts by 31 March 2026, and submission of the IES by 15 July 2026.
3. Tax obligations
During this period, companies must also comply with:
- Submission of Corporate Income Tax (Modelo 22) by 31 May 2026.
- Submission of IES/DA by 15 July 2026.
- Preparation of the Fiscal and Transfer Pricing Dossiers, where applicable.
- Statutory audit where required by law.
4. Best practices
- Keep accounting records updated monthly.
- Maintain communication between accounting and management teams.
- Use certified and updated accounting software.
- Plan the year-end closing well in advance.
The 2025 year-end closing is a key moment for all companies operating in Portugal.
Proper preparation ensures legal compliance, reliable financial reporting and sound management decisions.
How Nominaurea can help
Nominaurea provides expert support throughout the year-end closing process, ensuring full compliance with accounting and tax regulations, timely submission of mandatory declarations, and strategic assistance in financial analysis and tax planning.
With a skilled and dedicated team, Nominaurea offers businesses peace of mind, precision and efficiency in closing the 2025 financial year.
