Content based on official sources

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.

How we create our content

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.

Research

We consult official sources: AEAT, BOE, Social Security, and current regional regulations.

Writing

We translate technical regulations into clear, practical language with real examples.

Verification

We verify every piece of data against current legislation before publishing.

Update

We review and update when there are relevant regulatory changes.

Our main sources

All our content about taxes and invoicing is based on official documentation. We don't use secondary sources or unverified information.

AEAT

sede.agenciatributaria.gob.es

Spanish Tax Agency electronic office. Tax regulations, tax forms, and binding consultations.

BOE

www.boe.es

Official State Gazette. Current legislation, royal decrees, and ministerial orders.

Seguridad Social

www.seg-social.es

General Treasury of Social Security. Contributions, bases, and benefits for freelancers.

Regional Regulations

Specific legislation by autonomous community, including TicketBAI (Basque Country) and other regional systems.

Our commitment

We take seriously the responsibility of informing correctly. Freelancers and SMBs rely on our content to make important decisions about their business.

  • Accuracy over speed — we prefer to take longer and publish correct information
  • Official sources always cited and linked when possible
  • Verification dates visible on every article
  • Proactive updates when regulations change

Important limitations

Our content is informative and educational. Although we strive to be accurate, tax regulations are complex and change frequently.

Every business situation is unique. For decisions that affect your business, we recommend consulting with a tax advisor or professional accountant who knows your specific case.

Invoo does not offer personalized tax, legal, or accounting advice.

Background

Focus on your work. We'll handle the paperwork

Trusted by autónomos, pymes, and gestorías who collaborate in real-time and reclaim hours every week with Spain's most intuitive invoicing tool.