Residents and cross-border workers

Luxembourg tax return for residents and cross-border workers

A chartered accountant prepares your Luxembourg tax return, checks every deduction and explains the result. All you have to do is send your documents.

Individual tax return

from €100 excl. VAT

Couples (joint taxation): from €150 excl. VAT

  • Review of your situation
  • Search for every available deduction
  • Filing of the tax return
  • Check of your tax assessment

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Who is it for?

Resident employees

Tax return (form 100) or annual adjustment to recover any tax overpaid.

Cross-border workers

You live in France, Belgium or Germany and work in Luxembourg: we check whether opting to be taxed as a resident is in your favour.

Couples and families

Joint taxation, dependent children, childcare costs: every item counts.

Homeowners and investors

Rental income, mortgage interest, home savings plans and private pension plans.

The deductions we check

Depending on your situation and the conditions set by law, these expenses can reduce your tax.

Mortgage interest
Insurance premiums and loan interest
Home savings plan (Bausparen)
Private pension plan
Childcare and household help
Donations to approved organisations

Read: 6 deductions not to forget in your tax return →

Documents required

  • Annual salary certificate from your employer
  • Tax withholding card (tax class)
  • Mortgage interest statements
  • Insurance, home savings and private pension statements
  • Childcare and donation receipts
  • For cross-border workers: income of your household in the other country
  • Your latest tax assessment, if any

How it works

  1. You send your documents through our secure client portal.
  2. We prepare the tax return and review it with you before filing.
  3. We file it with the Luxembourg tax administration (ACD).
  4. We check the tax assessment and explain it to you.

Frequently asked questions

Do I have to file a tax return in Luxembourg?

It depends on your income and family situation. Even when it is not mandatory, filing often lets you recover tax. We check your case during our first conversation.

Cross-border worker: should I opt to be taxed as a resident?

This option can give access to deductions and a more favourable rate, under certain conditions. We compare both scenarios before choosing.

When must the tax return be filed?

Deadlines depend on your situation (mandatory tax return or refund request through the annual adjustment). We tell you the exact deadlines from our first conversation. Don’t wait: a refund not claimed in time is lost for good.

Can you handle previous years?

Yes, within the legal time limits. Send us your past documents and we will see what can still be recovered.

Let us handle your tax return

Free quote · 1, rue Bender, Luxembourg-Gare · +352 661 19 04 03

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