Your tax return, online and hassle-free

Manage your income tax return from our app backed by experts. Sign up and start saving!

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Simple, safe, and transparent

The Tax Agency provides us with your tax information so that we can ask you what really matters. Quick, simple and relevant.


Reviewed by experts

Our tax experts review your information in detail to provide a personalized draft. We guide you throughout the whole process.


File your tax return, error and stress-free

We explain all the possible deductions and corrections applied, and we remain at your complete disposal even after filing.

Direct, official, safe

Through our agreement with the AEAT, we file your taxes on their online platform using your preferred e-signature method so you don’t have to worry about a thing.

How does Taxfix work?


File your return through the app or web browser


Sign up for free, no strings attached


Follow a quick and easy query-response process


Calculate your return in advance


Declare your tax return quickly and safely

Made for

Made for you

BenefitRenta WebTaxfix
Online experience
Easy-to-understand language
Quick and relevant questions
Clear advice and instructions
No tax knowledge required
Reviewed by tax experts
Personalised assistance, even after filing
Easy application of all possible deductions
Data synchronisation accross platforms


0 Euros

39,99 Euros*

¿Why pay for Taxfix
if Renta Web is free?

What can Taxfix offer?

1 -

Taxfix helps you understand your taxes

We use an easy-to-understand language to simplify the tax process. Our experts are at your full disposal through personalised assistance, even after filing. Our transparency is your trust.

2 -

Taxfix offers you personalised assistance

We help you file your tax return successfully: our team of experts knows all the ins and outs of tax law and will accompany you every step of the way with personalised guidance.

3 -

Detailed and easy to understand results

We keep you informed throughout the process, offering all the information about the deductions and corrections applied by our experts. You can also contact us at any time to clarify any doubts.

Are you ready?

Your tax return has never been easier! Sign up now to start saving.

Sign up

Frequently asked questions

Taxfix is an online app to manage and file your tax return every year with the help of tax experts who will guide you along the way. You can access it from your mobile phone or computer and simply respond to a series of general and tailor-made questions. To obtain the best refund option, our experts review all your fiscal data in detail to find all possible deductions you may be eligible for. Once you approve the draft, Taxfix can file your return.

Taxfix works in a few simple but effective steps:
  1. Sign up using your email and we connect with the Tax Agency to safely access your data.
  2. Answer a series of questions so we can obtain additional information and offer a fully personalized service.
  3. Proceed to one-time payment
  4. Receive your draft in 1-2 days.
  5. Once you approve, we file your tax return to the Tax Agency. Simple and error-free.

A single payment of €39.99, which includes the expert review, tax return draft, and filing to the Tax Agency.

We are happy to announce that we launched on the 6th of April 2022! This is the official date in Spain when taxpayers can start to file their return online