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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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Tax controversy
Tier 1
14 firms ranked
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Tier 1

A&O Shearman
6 practice areas
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Arendt & Medernach
6 practice areas
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Baker McKenzie
6 practice areas
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Bonn Steichen & Partners
5 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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Loyens & Loeff
6 practice areas
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Tier 2

Clifford Chance
7 practice areas
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Clément Konrad & Partners
6 practice areas
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KPMG
7 practice areas
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Tier 3

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

A&O Shearman
6 practice areas
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Arendt & Medernach
6 practice areas
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Baker McKenzie
6 practice areas
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Deloitte
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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Tier 2

ATOZ Tax Advisers Luxembourg
4 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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EY
7 practice areas
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GSK Stockmann
5 practice areas
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Norton Rose Fulbright
6 practice areas
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Simmons & Simmons
5 practice areas
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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
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Bonn & Schmitt
3 practice areas
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CMS Luxembourg
6 practice areas
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Charles Russell Speechlys
3 practice areas
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Clément Konrad & Partners
6 practice areas
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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
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Transfer pricing
Tier 2
23 firms ranked
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Tier 1

Arendt & Medernach
6 practice areas
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Baker McKenzie
6 practice areas
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Deloitte
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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TransFair Pricing Solutions
3 practice areas
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Tier 2

A&O Shearman
6 practice areas
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ATOZ Tax Advisers Luxembourg
4 practice areas
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EY
7 practice areas
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Norton Rose Fulbright
6 practice areas
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TS&P
4 practice areas
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Tier 3

Bonn Steichen & Partners
5 practice areas
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Clifford Chance
7 practice areas
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Elvinger Hoss Prussen
5 practice areas
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NautaDutilh
4 practice areas
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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
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Tiberghien
3 practice areas
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Linked Reviews
Tax

Allen & Overy Luxembourg is a versatile full-service practice with repute, comprised of a team of two partners, four counsel and four senior associates. Funds and alternative asset management firms are the core specialties. Clients are drawn from investment banks, corporations, and UHNWIs for structuring mandates. Key practitioners are partners Jean Schaffner and transactions specialist Patrick Mischo.

The firm advised Navis Capital Partner, a private equity firm based in Malaysia, pertaining to the sale of its Luxembourg based portfolio company, B Medical Systems. It also acted for Antin Infrastructure Partners on controlling equity investments.

Client feedback

“I have been working with A&O on several tax conflict resolutions and appreciate the quality of their work and their experience in this field.”

“Allen & Overy's tax practice has strong reputation in Luxembourg.”

“Responsiveness, one stop shop.”

“Deep listening – practical approach – coherent output.”

“First of all, they listened carefully what was at stake and company's needs. Then they provide a very concise, though dense, paragraph which we utilised as introductive paragraph for a note addressed to the Italian tax authorities.”

“Professional, accurate and very reactive.”

“Very commercial and practical.”

"Very proactive. Knowledgeable. Any question/issue is addressed immediately and effectively. Take ownership of their work. Always focus on the big picture. Always very efficient in their communication.”

“Very technical and comprehensive advice but also pragmatical at the same time.”

“Quick responding, very technical memos for us and high-level executive reports for client. Flexibility for meetings and great practical insights during meetings.”

“Knowledgeable advice, bearing in mind recent case law and impact on our business structure. Rapidly available for questions.”

“The job is always done in time, with the right level of commitment and with a strong capacity to listen to the client.”

“Proactive awareness of actual and potential tax considerations in project.”

“Clear and concrete advice.”

“Quick, creative and knowledgeable.”

3 results3 results
Section 899 of the ‘one big beautiful’ bill would have spelled disaster for many international investors into the US, but following its shelving, attention turns to the fate of the OECD’s pillars
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