If you are self-employed or have a company in Spain, you have probably already heard about Verifactu, The concept has gained prominence and should be well understood. This is not an optional possibility, but an essential regulatory requirement that will change the way billing is handled from 2025.

Although it is often confused, Verifactu is not the same as e-invoicing. E-invoicing is a digital way of issuing and managing invoices, while electronic invoicing is a digital way of issuing and managing invoices. Verifactu is a control system promoted by the Tax Agency. which means that each invoice is sent immediately and in real time for registration and validation by the tax authorities.

This new model represents a significant change for freelancers and companies, as it is not limited to digitising invoices, but also to ensures that each one is securely and unalterably registered, and is automatically sent to the Tax Agency.

See Responsible Declaration of the computerised invoicing system Verifactu.

getting ahead has its advantages

Verifactu is an initiative of the Spanish Tax Agency (AEAT) that will transform the way in which the self-employed and companies manage their invoicing.

IMPLEMENTATION TIMETABLE

COMPANIES (PARTNERSHIPS)	SMES AND THE SELF-EMPLOYED	SOFTWARE DEVELOPERS
1 January 2026	1 July 2026	29 July 2025 (As of that date, they must offer VERIFACTU systems)

do you use verifactu certified software?

the billing software you use must meet a number of technical requirements:

legal notice

With clearly visible information indicating that the invoice has been generated by a Verifactu compliant system.

xml file

That it contains all the tax data required by the Tax Agency for its correct registration and control.

digital signature

To ensure the integrity and authenticity of the document and that it has not been altered in any way.

qr code

It will facilitate fast and secure verification of information by the tax authorities and other authorised users.

PAID OR FREE SOFTWARE

Verifactu has a free option offered by the AEAT, but with very limited functionalities. If more comprehensive capabilities or support are needed, other professional options should be used.

Therefore, if you want to start working with this system immediately and avoid last-minute emergencies, you will have to opt for a paid invoicing software with more advanced features and that complies with the AEAT's technical specifications, as is the case of ISP Gestión.

ISP MANAGEMENT + VERIFACTU

FIND OUT HOW PREPARE NOW,

TO SAVE YOU A LOT OF PROBLEMS TOMORROW.

Make sure you have a system that is adapted and complies with the requirements of the Spanish Tax Agency.

questions solved ABOUT verifactu

What is Verifactu?

Verifactu is a system developed by the Tax Agency with the purpose of objective of strengthening fiscal control and combating fraud related. Its operation is based on the automatic and real-time sending of invoicing data to the tax authorities.

When does it come into force?

Verifactu will be implemented on a mandatory basis in two phases: as of 1 January 2026 for companies subject to corporate taxation and from the 1 July 2026 for all other companies and self-employed persons and other entities without legal personality.

Software developers must adapt their software to the Verifactu standard by 29 July 2025, after which date only compatible solutions can be put on the market.

Which businesses or persons are obliged?

Verifactu is not mandatory for all companies, but as from 1 January 2026 must use billing software that meets their requirements., even if they do not actively send invoices to the tax office.

If the billing software does not comply with Verifactu's requirements, the companies will could face sanctions.

Is it difficult to adapt to Verifactu?

Absolutely NO! The most practical way to adopt the new Verifactu system is to use an approved invoicing programme (such as ISP Gestión), which allows you to generate compatible invoices and send them automatically to the Tax Agency in real time.

What if I continue to use my current billing software?

You can use it, but only and only if it meets the technical requirements defined in the regulation. In case your software is not capable of creating the required records and signing them electronically, you must upgrade or replace it by July 2026.

Does ISP Gestión comply with Verifactu?

Of course YES! ISP Gestión complies with all the requirements established so far (and will continue to do so in the future). In addition, it is already linked to the Tax Agency servers and registering its first invoices fully compatible with the Verifactu system.