International Tax Review is part of Legal Benchmarking Limited, 1-2 Paris Garden, London, SE1 8ND

Copyright © Legal Benchmarking Limited and its affiliated companies 2026

Accessibility | Terms of Use | Privacy Policy | Modern Slavery Statement


Key contacts
Managing Partner – Operations: Fatah Boudjelida
Managing Partner: Keith O'Donnell
Partner, Head of International and Corporate Tax: Jamal Afakir
Partner, Head of Indirect Tax: Thibaut Boulangé
Partner, Head of Transfer Pricing and the German Desk: Oliver R. Hoor
Partner, Head of Secondary Market Solutions: Hugues Henaff
Quick facts
Partners

15

Languages

English, French, German, Spanish, Luxembourgish, Greek, Bulgarian, Romanian

Key practice areas
General corporate tax
Tax
Transactional tax
Transfer pricing
Firm overview
ATOZ is a high-end independent advisory firm based in Luxembourg offering a comprehensive and integrated range of direct and indirect tax solutions, as well as corporate finance, transfer pricing, secondary markets and ESG services to both local and international clients, across industries and sectors, including alternative investments, HNWI and private clients.

ATOZ guides leading international organisations through complex multi-jurisdictional tax issues. Drawing on decades of experience, industry knowledge and a vast network of relationships, ATOZ professionals work to create, optimise and preserve investment value throughout the entire life cycle of an investment entity in a proven and practical way.

ATOZ is a founding member of Taxand, the world’s largest independent organisation of tax experts with more than 700 tax partners and over 3,000 tax advisors in 54 countries, and with their own offices in Luxembourg, the Middle East and Morocco and a presence in London, ATOZ is where you need them, when you need them.
Client feedback

"Atoz provided advice on tax diligence and tax structuring matters. Atoz helped us work through some challenging issues to a tight timeframe and whilst being technically excellent they were also able to help us find commercial and practical solutions in certain situations. Deliverables are always of the highest quality."

Key Practice Areas
Sector expertise
Other offices

ATOZ Tax Advisers Middle East
Central Park Offices - Unit 31-33
PO Box No 507403
United Arab Emirates
website

Address:
1B Heienhaff
Senningerberg, L-1736
Tel:+352 0 26 940 1 Fax:+352 26 940 300 Email:Contact Us Web Address:http://www.atoz.lu

World Tax Sponsored

  • Sponsored by Tax Partner
  • Sponsored by Mijares Angoitia Cortés & Fuentes
  • Sponsored by Tax Partner
2027 Edition
General corporate tax
34 firms ranked
View full list

Tier 1 ...


Unlock this content.

These rankings will be officially released on October 29. Subscribers can view the rankings now through exclusive early access.

To unlock this content:

Request Early Access or Login
Indirect tax
14 firms ranked
View full list

Tier 1 ...


Unlock this content.

These rankings will be officially released on October 29. Subscribers can view the rankings now through exclusive early access.

To unlock this content:

Request Early Access or Login
Tax controversy
16 firms ranked
View full list

Tier 1 ...


Unlock this content.

These rankings will be officially released on October 29. Subscribers can view the rankings now through exclusive early access.

To unlock this content:

Request Early Access or Login
Transactional tax
30 firms ranked
View full list

Tier 1 ...


Unlock this content.

These rankings will be officially released on October 29. Subscribers can view the rankings now through exclusive early access.

To unlock this content:

Request Early Access or Login
Transfer pricing
24 firms ranked
View full list

Tier 1 ...


Unlock this content.

These rankings will be officially released on October 29. Subscribers can view the rankings now through exclusive early access.

To unlock this content:

Request Early Access or Login
Overview

ATOZ Tax Advisers is an advisory firm and founding member of Taxand. Clients comprise major real estate and private equity firms, financial institutions, sovereign wealth funds and multinational companies. Tax structuring of Luxembourg alternative investment funds is a specialism pertaining to ATAD II and DAC6 rules. Founding partner is Keith O’Donnell, alongside head of international and corporate tax Jamal Afakir. Co-managing partner Fatah Boudjelida is joined by head of transfer pricing, Oliver Hoor and indirect lead Thibaut Boulangé.  


The firm advised as lead Luxembourg tax advisor on tax structuring services to both Swiss Life Asset Managers and Vesper Infrastructure Partners, on the joint acquisition of RAD-x and Gilde Healthcare. It also structured a new IP application for a multinational automotive firm.  


VAT director Joana Machado Lima Das Neves arrived from Deloitte Luxembourg on May 15th, 2024. Senior associate Clotilde Garressus departed in February 2024.  


Client feedback  


‘’Atoz provided advice on tax diligence and tax structuring matters. Atoz helped us work through some challenging issues to a tight timeframe and whilst being technically excellent they were also able to help us find commercial and practical solutions in certain situations. Deliverables are always of the highest quality.’’

18 results18 results
The big four spin-off firm becomes Taxand’s second UK member; in other news, Haynes Boone launched a UK tax practice
Geopolitical rivalry is reshaping global tax cooperation, as the OECD’s minimum tax framework fragments and the EU grapples with the ensuing legal fallout
LED Taxand’s partner tells ITR about entrepreneurial inspirations, the importance of people skills, and what makes tax cool
Canada risks inflaming US trade relations in a presidential election year and increasing costs for consumers, according to local experts
Latest addition to global network brings on one of South Korea's largest firms
Sponsored

Sponsored

ITR Sponsored

should have bg #f6f8fb but is leaving an artifact

World Tax Sponsored