Save 30% on your Luxembourg tax return
Exclusive offer for Spuerkeess customers: Simplify your taxes and maximise savings today!
Enjoy exclusive benefits
Especially for Spuerkeess customers - enjoy an exclusive discount, personal support and an easy tax return experience.
Automatic filing by importing data from S-Net
Optimise your tax return by importing data from your S-Net account automatically, to save time and reduce errors.
Efficient customer service at your side
Our tax experts are there to guide you and provide answers to all your tax questions. Take advantage of a dedicated service to guide you and optimise your tax situation with ease.
30% discount on your tax return
Enjoy a 30% discount on all taxx.lu services, making filing more affordable and stress-free.

taxx.lu advantages
Enjoy accurate tax liability estimates, secure data handling, and save time with AutoScan.
Estimate the amount of tax you will receive or pay in just a few clicks
Get an instant estimate of your tax liability with taxx.lu. Anticipate your tax situation ahead of time, avoiding unpleasant surprises and making it easier to check your tax assessment.
Secure and relevant data use
We only access and process the information necessary for your tax return, keeping your financial details confidential and protected.
Save time with AutoScan
Import your documents and let our AutoScan feature automatically fill in the necessary fields of your tax return. No more manual data entry, it's all done in an instant, as if by magic!

30% Discount
30% discount on all our formulas
Take advantage of a 30% discount on every plan we offer, choose the option that suits you best and save on your tax filing.
Standard Package
59,00€
41,30€
-
Tax return
Form 100 -
Annual adjustment
Form 163 -
Precise calculation
tax payable or receivable -
Personalised tax optimisation analysis
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Reactive support
by chat or by email -
Automatic import
of data from your tax certificates -
Automatic verification
to spot inconsistencies
Plus Package
99,00€
69,30€
-
Standard Package included
-
+
Manual verification of your data
by a tax expert -
Verification of the tax assessment
and analysis of discrepancies with your declaration -
Letter for reconsideration
in the case of an error in the tax assessment
Premium Package
149,00€
104,30€
-
Plus Package included
-
+
Video call
with a tax expert -
Print on demand of your tax return
ready to send to tax office
Options Title
Rental income
Form 190
49,00€*
34,30€*
Options Title
Income from property capital gains
Form 700
49,00€*
34,30€*
* Par formulaire supplémentaire
How it works – 4 easy steps
Breeze through tax time with an easy process in four straightforward steps
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1. Download your data from S-Net
A Zip-file containing your tax data will be made available for you to download on your Internet banking.
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2. Upload your documents
Start your tax return on taxx.lu and upload the Zip-file easily.
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3. Complete your tax return
Fill out your tax return using taxx.lu's easy-to-navigate platform. If you need assistance, our tax experts are there to help you by chat or e-mail.
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4. Verification and submission
Finalise and pay your tax return, then have it checked by our experts while benefiting from the 30% discount on our services. All you will have left to do is to submit it to the tax authorities.
Spuerkeess partners with taxx.lu to simplify tax returns
More information about this partnership.
Find out moreFAQ
Frequently asked questions (FAQ)
Answers to frequently asked questions.
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How does the 30% discount work?
Spuerkeess customers automatically benefit from a 30% discount on the taxx.lu package they choose. Just indicate your Spuerkeess IBAN account during the filing process on taxx.lu.
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What documents do I need to upload?
Spuerkeess customers can import their financial data automatically from S-Net into taxx.lu. Simply download the provided ZIP-file from your Internet banking account and upload it directly to taxx.lu. Furthermore, you’ll need all income statements, receipts for deductible expenses, and any other tax-related documents that may not be found in the data exported on S-Net (e.g. insurance certificates, salary certificates).
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Is my data secure on taxx.lu?
Yes, taxx.lu uses state-of-the-art encryption and adheres to Luxembourg’s strict data protection regulations to keep your information safe. No data will be shared with a third party without your explicit consent.
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Can I still benefit from expert guidance?
Absolutely! The Plus and Premium packages offer manual verification and a one-on-one video call with our tax experts (Premium only) for personalised support. As a Spuerkeess customer, you also benefit from the 30% discount on those packages.
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What if I don’t have a Spuerkeess account?
You can still use taxx.lu’s services, but the exclusive discount and and automated document integration are only available to Spuerkeess customers. The perfect reason to open up an account on www.spuerkeess.lu!
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What information will be shared with Spuerkeess?
taxx.lu only shares your IBAN bank account number with Spuerkeess in order to apply the 30% discount. No other personal or financial data from your tax return will be transmitted.