Online tax return in Luxembourg

18 days until 31 December 2024. Final deadline for your 2023 tax return! Fill it in here.

Tax return, with benefits!

Fill in your declaration with a few clicks for only 59€

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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Made for you!

Singles
Complete your tax return stress-free and maximise your tax savings as a single person.
Employees
Save time and money by declaring your taxes as an employee with taxx.lu.
State Employees
Simplify your tax situation and benefit from advice tailored to civil servants.
Cross-border workers
Optimised for cross-border commuters! taxx.lu helps you declare any foreign income effortlessly.
Families
Take advantage of personalised advice to ensure a stress-free joint tax return for the whole family.
Pensioners
File your tax return using form 100 or 163 with peace of mind thanks to taxx.lu.
Independants
Perfect for freelancers and self-employed professionals, offering tips on business expenses and deductions.
Expats
Designed for expatriates navigating complex tax laws to ensure conformity. taxx.lu is also available in English!