At Invoo, every article follows a rigorous research and verification process. Our content is based exclusively on official Spanish sources to ensure accuracy and reliability.
Every article we publish follows a structured process designed to ensure accuracy and usefulness. We don't publish generic content or copy from other sources — all our material is built from official documentation.
We consult official sources: AEAT, BOE, Social Security, and current regional regulations.
We translate technical regulations into clear, practical language with real examples.
We cross-check every piece of data against current legislation before publishing.
We review and update when there are relevant regulatory changes.
All our content about taxation and invoicing is based on official documentation. We don't use secondary sources or unverified information.
Spanish Tax Agency electronic office. Tax regulations, tax forms, and binding consultations.
Official State Gazette. Current legislation, royal decrees, and ministerial orders.
General Treasury of Social Security. Contributions, bases, and benefits for self-employed.
Community-specific legislation, including TicketBAI (Basque Country) and other regional systems.
We take seriously the responsibility of informing correctly. Freelancers and SMEs trust our content to make important decisions about their business.
We prefer to take longer and publish correct information.
Official sources always cited and linked when possible.
All publication and update dates visible.
If we make a mistake, we correct it immediately and communicate transparently.
Our content is informative and educational. It does not replace professional advice from an accountant or tax advisor. Each business situation is unique and may require specific analysis.
Tax laws change frequently. Although we strive to keep content updated, always verify information with official sources or your accountant before making important decisions.
Join freelancers and SMEs already waiting to invoice better. Automatic Verifactu, your accountant connected, €10.90/month.