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

Bär & Karrer
6 practice areas
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EY
7 practice areas
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Homburger
6 practice areas
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Lenz & Staehelin
5 practice areas
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Niederer Kraft Frey
6 practice areas
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PwC
7 practice areas
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Tier 2

Baker McKenzie
7 practice areas
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Deloitte
7 practice areas
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KPMG
7 practice areas
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Loyens & Loeff
5 practice areas
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Ludwig + Partner
4 practice areas
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Oberson Abels
4 practice areas
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Schellenberg Wittmer
5 practice areas
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Tax Partner
6 practice areas
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Walder Wyss
3 practice areas
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Wenger Vieli
5 practice areas
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Tier 3

ADB Altorfer Duss & Beilstein
8 practice areas
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MLL Meyerlustenberger Lachenal Froriep
4 practice areas
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MME Legal l Tax l Compliance
3 practice areas
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Pestalozzi
4 practice areas
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Riedweg & Partner
4 practice areas
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VISCHER
4 practice areas
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Wenger Plattner
5 practice areas
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Tier 4

Altenburger
2 practice areas
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Burckhardt
2 practice areas
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Goldblum and Partners
1 practice area
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LifeCapital
2 practice areas
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Tappolet & Partner
3 practice areas
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Tax Expert International
3 practice areas
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Indirect tax
Tier 2
16 firms ranked
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Tier 1

Homburger
6 practice areas
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Niederer Kraft Frey
6 practice areas
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SwissVAT
5 practice areas
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Tax Partner
6 practice areas
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Tier 2

Baker McKenzie
7 practice areas
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EY
7 practice areas
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Lenz & Staehelin
5 practice areas
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Oberson Abels
4 practice areas
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PwC
7 practice areas
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Tier 3

ADB Altorfer Duss & Beilstein
8 practice areas
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Bär & Karrer
6 practice areas
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Loyens & Loeff
5 practice areas
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Ludwig + Partner
4 practice areas
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VISCHER
4 practice areas
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Wenger Plattner
5 practice areas
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Wenger Vieli
5 practice areas
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Transfer pricing
Tier 1
18 firms ranked
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Tier 1

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
5 practice areas
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PwC
7 practice areas
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Tax Partner
6 practice areas
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Tier 2

ADB Altorfer Duss & Beilstein
8 practice areas
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Baker McKenzie
7 practice areas
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Bär & Karrer
6 practice areas
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Homburger
6 practice areas
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Tier 3

Ludwig + Partner
4 practice areas
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Pestalozzi
4 practice areas
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Questro International
3 practice areas
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Schellenberg Wittmer
5 practice areas
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Tax Expert International
3 practice areas
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Wenger Plattner
5 practice areas
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Tier 4

Aspect Advisory
3 practice areas
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Riedweg & Partner
4 practice areas
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5 results5 results
Tax advisers should revisit India secondment arrangements after the EY US ruling strengthened the Centrica precedent and raised fresh withholding concerns
The ability of tax authorities to receive and analyse data is becoming ‘quite advanced’, warns Stuart Lang, head of EY’s compliance co-sourcing solution
Ethics seems to be playing a subservient role to an entitlement culture borne out of a pervasive ‘revenue at all costs’ mentality at the big four
It continues a prolific spree of investment for the firm, after it launched in Indonesia, Thailand, Saudi Arabia and Japan in 2025
Following Richard Houston’s switch to the newly formed Deloitte EMEA, Graves has the opportunity to bring Deloitte’s tax practice up to speed with its rivals
New reforms represent the most seismic shift in Canadian TP legislation since its enactment and a clear inflection point for MNEs, ITR has heard
As recent surveys suggest a disconnect between AI adoption and employee engagement, the big four risk digging themselves into a strategic hole
Partners are divided on Italy vs PDM D’s analytical depth, evidentiary standards, and what the judgment signals for future intra-group financing cases
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