
In 2025 significant changes came into force for the self-employed. Social Security contributions were linked to actual income. Corporate Income Tax was reduced for micro-enterprises. And VERI*FACTU, the new invoicing system mandatory from 2026, was approved. This guide summarises what changed and what you need to do now.
What are the main changes for the self-employed in 2025?
Social Security contributions based on actual income, a reduction in Corporate Income Tax for micro-enterprises, and the approval of VERI*FACTU. Read the complete self-employed guide here.
When will VERI*FACTU be mandatory?
From January 2026 for companies and July 2026 for the self-employed.
Did contributions go up or down?
It depends on your income. Lower brackets pay less. Higher brackets pay more.
2025 brought three key changes for the self-employed and SMEs:
The most urgent change is VERI*FACTU. It changes how invoices are created and validated. If you have not yet reviewed your invoicing software, now is the time.
From 1 January 2025, monthly contributions are adjusted to actual income declared to the tax authority.
Regularisation calendar that already happened:
If you did not review your contribution in 2025, do it now. Here is the full contribution table by actual income for 2026.
VERI*FACTU is the certified invoicing system created by the AEAT under Royal Decree 1007/2023. Its goal is to eliminate invoice manipulation. Each invoice will include:
Key dates:
Complete guide to VERI*FACTU: dates, QR codes, and penalties.

Law 7/2024 reduced Corporate Income Tax rates from 2025:
If you have a limited company, you are already paying a lower effective rate. If you are taxed under personal income tax as self-employed, review your tax planning. The new contributions and invoicing rules directly affect your deductions.
These are the actions you can still take before the obligations become definitive:
If you prefer not to spend time on this, renn already integrates VERIFACTU-compatible invoicing, automatic accounting, and real-time tax tracking. All in one place.
2025 was the year the rules changed. 2026 is the year they become mandatory.
Review your income, update your tools, and get your accounts in order. The sooner the better.