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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 51 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.

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
2026 Edition
General corporate tax
Tier 1
32 firms ranked
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Tier 1

A&O Shearman
6 practice areas
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ATOZ Tax Advisers Luxembourg
4 practice areas
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Arendt & Medernach
6 practice areas
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Deloitte
7 practice areas
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EY
7 practice areas
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KPMG
7 practice areas
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Loyens & Loeff
6 practice areas
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PwC
7 practice areas
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TS&P
4 practice areas
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Tier 2

Baker McKenzie
6 practice areas
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Bonn Steichen & Partners
5 practice areas
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Clifford Chance
7 practice areas
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DLA Piper
5 practice areas
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DSM Avocats à la Cour
5 practice areas
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Dentons
5 practice areas
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Elvinger Hoss Prussen
5 practice areas
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Linklaters
4 practice areas
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NautaDutilh
4 practice areas
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Norton Rose Fulbright
6 practice areas
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Stibbe
3 practice areas
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Tier 3

Bonn & Schmitt
3 practice areas
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Clément Konrad & Partners
6 practice areas
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Dupont Partners
6 practice areas
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GSK Stockmann
5 practice areas
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Maples Group
3 practice areas
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Simmons & Simmons
5 practice areas
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Van Campen Liem
3 practice areas
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Tier 4

Ashurst Perkins Coie
5 practice areas
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CMS Luxembourg
6 practice areas
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DPR Tax Law
3 practice areas
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FBX Legal & Tax
2 practice areas
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Other notable

Charles Russell Speechlys
3 practice areas
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Transactional tax
Tier 2
28 firms ranked
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Tier 1

A&O Shearman
6 practice areas
View profile
Arendt & Medernach
6 practice areas
View full profile
Baker McKenzie
6 practice areas
View profile
Deloitte
7 practice areas
View full profile
KPMG
7 practice areas
View full profile
Loyens & Loeff
6 practice areas
View full profile
PwC
7 practice areas
View profile

Tier 2

ATOZ Tax Advisers Luxembourg
4 practice areas
View full profile
Bonn Steichen & Partners
5 practice areas
View profile
Clifford Chance
7 practice areas
View profile
DLA Piper
5 practice areas
View profile
DSM Avocats à la Cour
5 practice areas
View full profile
Dentons
5 practice areas
View profile
EY
7 practice areas
View profile
GSK Stockmann
5 practice areas
View full profile
Norton Rose Fulbright
6 practice areas
View profile
Simmons & Simmons
5 practice areas
View profile
Stibbe
3 practice areas
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TS&P
4 practice areas
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Tier 3

Ashurst Perkins Coie
5 practice areas
View profile
Bonn & Schmitt
3 practice areas
View profile
CMS Luxembourg
6 practice areas
View profile
Charles Russell Speechlys
3 practice areas
View profile
Clément Konrad & Partners
6 practice areas
View profile
DPR Tax Law
3 practice areas
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Elvinger Hoss Prussen
5 practice areas
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Maples Group
3 practice areas
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Van Campen Liem
3 practice areas
View profile
Transfer pricing
Tier 2
23 firms ranked
View full list

Tier 1

Arendt & Medernach
6 practice areas
View full profile
Baker McKenzie
6 practice areas
View profile
Deloitte
7 practice areas
View full profile
KPMG
7 practice areas
View full profile
Loyens & Loeff
6 practice areas
View full profile
PwC
7 practice areas
View profile
TransFair Pricing Solutions
3 practice areas
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Tier 2

A&O Shearman
6 practice areas
View profile
ATOZ Tax Advisers Luxembourg
4 practice areas
View full profile
EY
7 practice areas
View profile
Norton Rose Fulbright
6 practice areas
View profile
TS&P
4 practice areas
View full profile

Tier 3

Bonn Steichen & Partners
5 practice areas
View profile
Clifford Chance
7 practice areas
View profile
Elvinger Hoss Prussen
5 practice areas
View profile
NautaDutilh
4 practice areas
View profile
TPGS Transfer Pricing Global Solutions
3 practice areas
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Transfer Pricing Specialists
1 practice area
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Other notable

Alter Domus
1 practice area
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BDO Luxembourg
3 practice areas
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CMS Luxembourg
6 practice areas
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Clément Konrad & Partners
6 practice areas
View profile
Tiberghien
3 practice areas
View profile
Overview

ATOZ Tax Advisers is an advisory firm and founding member of TaxandClients 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 AfakirCo-managing partner Jean-Michel Chamonard 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, 2024Senior 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.’’

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