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What's new
11/09/2026
ATOZ News
Luxembourg's new Pillar Two draft law explained: Side-by-side solution, new Safe Harbours, and key technical clarifications
- by Andreas Medler, Marie Bentley
11/09/2026
Technical Publication
Financier Worldwide SPECIAL REPORT Q&A: ATAD 3 and re-engineering economic substance
- by Romain Tiffon
01/09/2026
Technical Publication
Chambers & Partners Private Wealth Guide 2026
- by Romain Tiffon, Marie Bentley
01/09/2026
Technical Publication
Legal500 Country Comparative Guide 2026: Transfer Pricing
- by Oliver R. Hoor
06/08/2026
Technical Publication
Financier Worldwide INDEPTH: Global Tax 2026
- by Romain Tiffon
04/08/2026
Technical Publication
Chambers & Partners Doing Business In... 2026
- by Romain Tiffon, Marie Bentley
Testimonials
We chose ATOZ for a tailor-made service, because we appreciate their responsiveness and the quality of advice.
Client2023
We are very happy with the ATOZ team on the whole: they are very prompt, knowledgeable, commercial and also very nice people!
Client2023
Andreas is aware that we want everything done on a very high standard and he delivers
Client2023
ATOZ provide us with pragmatic advice: when we have a question, we get a response, directly from the senior team members in charge.
Client2023
We are impressed with by ATOZ’ willingness to understand our business and to go beyond pure tax discussions!
Client2023
Extremely happy with ATOZ!
Client2023
Really good relationship!
Client2023
Romain and Fanny are really good!
Client2023
Romain is available, tactical, and he provides advice tailored to our circumstances. We appreciate his pragmatism and solutions-oriented advice.
Client2023
The interpersonal relationship between the ATOZ team and ours is the most valued of all. ATOZ team members’ availability, responsiveness, knowledge (of structures, of deal teams, of deal flows) are very highly prized by our firm.
Client2022
The Luxembourg tax team is very responsive, very commercial and very good on technical points. Overall, we receive a good commercial response and a good service.
Client2022
ATOZ Tax Advisors and ATOZ Services have the same DNA running through their teams. Everyone works hand in hand and they deliver pragmatic and consistent advice.
Client2022
Antoine is brilliant and fantastic. He is clear, responsive, and available and we can rely on him.
Client2022
One of the top firms in Luxembourg with dedicated resources.
Client2022
The quality of ATOZ’ services consistently exceeds our high expectations.
Client2022
Great working relationship!
Client2022
A first-rate boutique Luxembourg tax firm.
Client2022
ATOZ is one of our most valuable partners. The work provided is always very detailed and easy to read and digest.