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

Andersen Tax
4 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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PwC
7 practice areas
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Tier 2

Jalsovszky
5 practice areas
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WTS Klient
4 practice areas
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Tier 3

BDO Hungary
3 practice areas
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IB Grant Thornton
4 practice areas
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Lakatos Köves & Partners
2 practice areas
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RSM Hungary
3 practice areas
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Tandax Advisory
5 practice areas
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Other notable

Niveus Consulting Group
3 practice areas
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Wolf Theiss
3 practice areas
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Tax controversy
Tier 2
7 firms ranked
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Tier 1

Deloitte
7 practice areas
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Jalsovszky
5 practice areas
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Tier 2

Andersen Adótanácsadó
5 practice areas
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PwC
7 practice areas
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Tier 3

Tandax Advisory
5 practice areas
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Transfer pricing
Tier 1
19 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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PwC
7 practice areas
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Tier 2

Andersen Tax
4 practice areas
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BDO Hungary
3 practice areas
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Forvis Mazars
3 practice areas
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WTS Klient
4 practice areas
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Tier 3

IB Grant Thornton
4 practice areas
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Jalsovszky
5 practice areas
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LeitnerLeitner
3 practice areas
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Niveus Consulting Group
3 practice areas
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RSM Hungary
3 practice areas
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Tandax Advisory
5 practice areas
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Other notable

KONDOR-Holding
3 practice areas
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TruTax Tanácsadó
1 practice area
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Wolf Theiss
3 practice areas
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2 results2 results
Among the arrivals is Andrew Howell, who leaves scandal-hit PwC Australia after representing PepsiCo in a high-profile TP dispute
ITR's podcast examines whether the big four have overarching cultural issues and assesses the competitive threat of technology-backed transfer pricing firms
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
The firm’s board has reportedly asked Kevin Burrowes to continue until 2028 as the KPMG Australia scandal raises expectations of regulatory reform
PwC Australia’s response to its tax leaks scandal could give KPMG a useful case study, but so far there’s little sign of positive lessons learned
The UK-based big four spin-off firm has hired Marc Lien, who declared that most AI in professional services today is ‘cosmetic’
The ‘highly regarded’ Stephanie Pantelidaki, who has big four experience, will be based in the firm’s London office
As recent surveys suggest a disconnect between AI adoption and employee engagement, the big four risk digging themselves into a strategic hole
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