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Quick facts
Number of advisers

450

Languages

More than 30 languages, including: Arabic, Chinese (Mandarin and Cantonese), Dutch, English, French, German, Greek, Italian, Luxembourgish, Polish, Portuguese, Russian, Spanish etc.

Key practice areas
General corporate tax
Indirect tax
Tax
Tax controversy
Transactional tax
Transfer pricing
Firm overview

Independent Luxembourgish law firm Arendt & Medernach was established in 1988 and is presently led by managing partner Jean-Marc Ueberecken. In addition to its Luxembourg office, the firm has representative offices in Hong Kong, London, New York, Paris and Frankfurt.
 
Highlights
 
The firm is a strong player in the Luxembourg market, achieving tier 1 rankings in Banking, Financial services Regulatory, Investment funds and M&A and is also very active in Capital Markets and Restructuring and Insolvency transactions.

  • In Banking and Finance the firm worked on a mix of loans, financings and refinancings.
  • In Capital Markets the firm worked on a mix of note issuances, IPOs and secondary share offerings.
  • In Investment Funds the firm focused on assisting with both domestic and cross-border fund formation work.
  • In M&A the firm’s work focused in on assisting with both investments and acquisitions for clients from a wide range of sectors.
  • In Restructuring and Insolvency the firm worked on both corporate and financial restructurings.
Contact us
Key clients
  • Key clients of the firm in banking and finance include AIG, JP Morgan, Clearstream Banking, Goldman Sachs, HBSC.
     
  • Key clients of the firm in investment funds include Schroders, Neuberger Berman, Generali, Nordea, General Atlantic.
     
  • Key clients of the firm in M&A include Ardian, Bain Capital, Thomas Bravo, LVMH / L Catterton.
     
  • Key clients of the firm in restructuring and insolvency include Adler Group, Bain Capital, Fidera, Food Delivery Brands Group and Noteholders of Swissport.
Sector expertise
  • Accounting
  • Banking
  • Financial services
  • Insurance
  • Investment management
  • Natural resources
  • Real estate
  • Tech and telecoms
Key practice contacts
  • Administrative Laws, Property, Construction & Environment

Christian Point
Partner
christian.point@arendt.com

  • Banking & Financial Services

Philippe Dupont
Partner
philippe.dupont@arendt.com

Glenn Meyer
Partner
glenn.meyer@arendt.com

  • Business Crime

Jean-Luc Putz
Partner
jean-luc.putz@arendt.com

  • Commercial & Insolvency

François Kremer
Partner
francois.kremer@arendt.com

  • Corporate Law, Mergers & Acquisitions

Carsten Opitz
Partner
carsten.opitz@arendt.com  

  • Finance & Capital Markets

Matthieu Taillandier
Partner
matthieu.taillandier@arendt.com

François Warken
Partner
francois.warken@arendt.com

  • Litigation & Dispute Resolution

Clara Mara
Partner
clara.mara@arendt.com 

  • Employment Law, Pensions & Benefits

Philippe Schmit
Partner
philippe.schmit@arendt.com

  • EU & Competition Law

Philippe-Emmanuel Partsch
Partner
philippe-emmanuel.partsch@arendt.com

  • Insurance & Reinsurance Law

Pierre-Michaël de Waersegger
Partner
pierre-michael.dewaersegger@arendt.com

Emmanuelle Mousel
Partner
emmanuelle.mousel@arendt.com  

  • Investment Management

Isabelle Lebbe
Partner
isabelle.lebbe@arendt.com

  • IP, Communication & Technology

Astrid Wagner
Partner
astrid.wagner@arendt.com

  • Private Equity & Real Estate

Pierre Beissel
Partner
pierre.beissel@arendt.com

Gilles Dusemon
Partner
gilles.dusemon@arendt.com

  • Private Wealth

Eric Fort
Partner
eric.fort@arendt.com

Guy Harles
Partner
guy.harles@arendt.com

  • Tax Law

Thierry Lesage
Partner
thierry.lesage@arendt.com

Other offices
  • Luxembourg
  • Hong Kong
  • London
  • New York
  • Paris
  • Frankfurt
Tel:+352 40 78 78 1 Email:Contact Us Web Address:http://www.arendt.com
2026 Edition
General corporate tax
Tier 1
32 firms ranked
View full list

Tier 1

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

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
View profile
Stibbe
3 practice areas
View full profile

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
View profile
GSK Stockmann
5 practice areas
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Maples Group
3 practice areas
View profile
Simmons & Simmons
5 practice areas
View profile
Van Campen Liem
3 practice areas
View profile

Tier 4

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

Charles Russell Speechlys
3 practice areas
View profile
Tax controversy
Tier 1
14 firms ranked
View full list

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
Bonn Steichen & Partners
5 practice areas
View profile
DLA Piper
5 practice areas
View profile
DSM Avocats à la Cour
5 practice areas
View full profile
Loyens & Loeff
6 practice areas
View full profile

Tier 2

Clifford Chance
7 practice areas
View profile
Clément Konrad & Partners
6 practice areas
View profile
KPMG
7 practice areas
View full profile

Tier 3

Dentons
5 practice areas
View profile
Elvinger Hoss Prussen
5 practice areas
View profile
Norton Rose Fulbright
6 practice areas
View profile
SIMON Law
3 practice areas
View profile
Transactional tax
Tier 1
28 firms ranked
View full list

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
View full profile
TS&P
4 practice areas
View full profile

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
View full profile
Elvinger Hoss Prussen
5 practice areas
View profile
Maples Group
3 practice areas
View profile
Van Campen Liem
3 practice areas
View profile
Transfer pricing
Tier 1
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
View full profile

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
View profile
Transfer Pricing Specialists
1 practice area
View profile

Other notable

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

Arendt & Medernach is a full-service law firm, covering all areas of corporate taxation in Luxembourg. It also assists cross-border taxation work, as well as advising clients on indirect taxation and private clients. The team also provides financial reportingaccounting and transfer pricing. Partner Thierry Lesage is a specialist in the private equity, real estate, and financial transaction sectors. Partners Alain Goebel works alongside principal Bruno Gasparotto who specialises in VAT.  

The firm advised investment firm Aermont with a total equity commitment of around USD 13 billion, in its acquisition of the Nabiax GroupIt also represented InfraVia in the private equity acquisition of KyothermDebt platform restructuring was also accomplished for a multinational consumer client.  

Client feedback  

‘’Arendt & Medernach has solid expertise in VAT. They quickly understand the issues, even in the specific context of a public institution. The partner is accessible and available, and discussions are smooth and efficient, which supports sound decision-making.’’ 

‘’Their tax bench is deep and broad. They are excellent technically with very sound judgement and good sector/industry knowledge.  They always find solutions to problems.’’

Linked Reviews
Tax

Arendt & Medernach is a full-service Luxembourg law firm, covering all areas of corporate taxation in Luxembourg. It also assists on cross-border taxation work, as well as advising clients on indirect taxation and assisting private clients. The team offers financial reporting and accounting, as well as a transfer pricing practice. Partner Thierry Lesage is a specialist in the private equity, real estate and financial transaction sectors. He is supported by a wider team of partners, counsels and associates. Partners Alain Goebel and Eric Fort work alongside head of tax Jan Neugebauer.

The firm advised Attestor Capital on a mobility service transaction to acquire the Europcar Mobility Group. It also acted for Aermont Capital in the sale of the Pinewood Group to a new corporate entity.

Client feedback

“Proactive, efficient and deep sophisticated knowledge.”

“Responsiveness, professionalism, detailed advice, quick turnaround, easy to work with, reasonably priced.”

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Awards
The firm picked up awards for its work in multiple jurisdictions, while DLA Piper walked away with four individual honours
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