Luxembourg tax return: 20% off until 15 September

Do your Luxembourg tax return online this summer and get 20% off the Plus and Premium packages, valid until 15 September 2026. Get started now on taxx.lu.

Sun, deckchair, cold drink… and your tax return? We know, it's an odd mix. But let's be clear: it won't fill itself in between dips in the pool. Good news: with taxx.lu it takes minutes. And this summer, it costs 20% less.

From 15 July to 15 September 2026, our summer offer gives you 20% off the Plus and Premium packages. Enough to tick "tax" off your summer to-do list without touching the ice-cream budget.

Your code: SUMMER-2026. Enter it at payment and your 20% off is applied.

Summer: the perfect time to get it out of the way

Let's be honest: nobody wakes up dreaming of filling in their tax return. But between a couple of drinks and a well-earned nap, it's the ideal moment to get it done once and for all. The office is ticking over slowly. So is your inbox. Might as well make the most of it.

With taxx.lu, you:

• move fast, thanks to a simple, clear online process
• get guided step by step, minus the jargon
• see your potential refund in real time
• have your return checked by our team before you send it, and your tax assessment too if the ACD's result differs from the one shown on taxx.lu (Plus and Premium packages)
• ask our team questions live, via chat
• save 20% on the Plus and Premium packages this summer
• and discover plenty of other perks

Client of a partner company? Even better: 50% off Premium

Are you a client of Spuerkeess, Raiffeisen, Foyer or Crédit Agricole Lorraine? Lucky you. All year round, you already get 30% off the Standard, Plus and Premium packages, no code needed. And this summer, your Premium package drops to 50% off.

In other words: our most complete support, including a dedicated call to talk through your situation, at half price.

Each partner has its own page. Find your offer on Spuerkeess, Raiffeisen, Foyer or Crédit Agricole Lorraine.

How to claim it (4 steps, promise)

1. Create your account or log in at taxx.lu.
2. Complete your tax return online.
3. Pay for your Plus or Premium package and enter the code SUMMER-2026 to activate your 20% off (if you're with a partner company, your discount applies automatically, up to 50% off).
4. Download your return, ready to file.

Last day: 15 September
The summer offer ends at midnight on 15 September 2026. After that, it's back to full price.

Don't let summer slip away (or the discount). Get started now and enjoy the rest of the season with a clear head.

Start my tax return with 20% off