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What our users say

Brilliant service making Luxembourg tax return completion very easy!
(Adam W. - 16/03/2021)

Our users recommend taxx.lu with 4.8 / 5 ⭐️⭐️⭐️⭐️⭐️ on Google.

First time am using it and this daunting task of tax returns was made to seem like a walk in the park. It almost felt as though I had been doing it for years!

Allan M. - ⭐️⭐️⭐️⭐️⭐️ - 06/07/2021
Very easy to fill. Perfect for uses that have no idea from to start. 100% recommended

Juan M. - ⭐️⭐️⭐️⭐️⭐️ - 06/03/2021
Very easy to use this app to do tax declaration, I do recommend for everyone that want to do tax declaration quickly.

Swall G. - ⭐️⭐️⭐️⭐️⭐️ - 12/04/2021
Awesome people and an amazing simple job made of the tax return in Luxembourg... Thanks Sophie&Emma for this great product!

Sergiu - ⭐️⭐️⭐️⭐️⭐️ - 03/02/2021
Best way to do tax declarations in Luxembourg. Amazingly simple and intuitive.

Bert B. - ⭐️⭐️⭐️⭐️⭐️ - 20/01/2021
Super grateful for the application of taxx.lu and for their quick and helpful customer service. Well done and many thanks!

Zsófia C. - ⭐️⭐️⭐️⭐️⭐️ - 06/12/2020
Great customer service! If I have any questions they are ready to help and answer any concerns or questions I may have.

Francisca R. - ⭐️⭐️⭐️⭐️⭐️ - 06/01/2021
A very simple procedure. They were available for questions and responded quickly.

John T. - ⭐️⭐️⭐️⭐️⭐️ - 10/12/2020

The leader in online tax filing!

On your side since 2018 with:

Tax return, with benefits!

Fill in your declaration with a few clicks for only 50€

How to complete your tax return on taxx.lu in 6 steps?

Import the PDF of your last tax return or start an empty one.
Upload your tax certificates and the Auto Scan feature automatically fills your return.
Check and complete the data while being guided through the process.
Contact our customer service, for any questions you may have.
File your declaration directly to the Tax Administration
Find out how much tax you will get back and how you can reduce your taxes.

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Create an account, complete your return and simulate your tax refund!

Save time. Save money. Save stress.

The benefits of taxx.lu

Save time!

Auto Scan automatically completes your declaration!

Import your tax certificates and your return is filled in like magic. Avoid manual input.
Import your previous year's declaration!

New at taxx.lu? Import the 2020 PDF form and start your 2021 tax return already half-filled.

Reduce your taxes thanks to the Opti-Score!

Based on your tax return, taxx.lu determines your Opti-Score, which allows you to see at a glance how to reduce your taxes.
Know your refund potential!

taxx.lu immediately calculates the amount of tax to be reclaimed or paid! No surprises and easy to check the administration's calculations.

An efficient customer service at your disposal!

Do you have a question about your situation or your tax return? Contact our team, who are happy to answer your questions.
Available for residents and cross-border commuters!

taxx.lu allows everyone to fill in their tax return, thanks to forms that adapt to your specific situation.