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2026 Edition
General corporate tax
21 firms ranked
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Tier 1

Allen & Gledhill
4 practice areas
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Baker McKenzie Wong & Leow
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

BDO Tax Advisory
5 practice areas
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Drew & Napier
4 practice areas
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Withers KhattarWong
2 practice areas
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WongPartnership
3 practice areas
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Tier 3

Dentons Rodyk & Davidson
4 practice areas
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RSM
5 practice areas
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Rajah & Tann
4 practice areas
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Taxise Asia
4 practice areas
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Other notable

Baker Tilly
4 practice areas
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Crowe Horwath First Trust
4 practice areas
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DLA Piper Singapore
3 practice areas
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Dhruva Advisors
2 practice areas
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GSM Law
5 practice areas
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Osborne Clarke
2 practice areas
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RBA Group
2 practice areas
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Transfer pricing
15 firms ranked
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Tier 1

Baker McKenzie Wong & Leow
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

BDO Tax Advisory
5 practice areas
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Grant Thornton
3 practice areas
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RSM
5 practice areas
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Tier 3

Taxise Asia
4 practice areas
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Transfer Pricing Solutions Asia
3 practice areas
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Other notable

Baker Tilly
4 practice areas
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DLA Piper Singapore
3 practice areas
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Drew & Napier
4 practice areas
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Kroll
3 practice areas
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Rajah & Tann
4 practice areas
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As pillar two reshapes global tax competition, the UK faces a crucial challenge: how to remain attractive to multinationals without sacrificing tax revenues
Pillar two has been clients’ ‘biggest headache’ but also a driver of growth for MHA, which believes it has the edge over its big four rivals
The UK advisory firm has seen its global revenues expand by £27.2m following its listing and acquisition of Baker Tilly South-East Europe
While rarely the sole driver of a combination, tax is becoming an increasingly important part of firms' efforts to keep up with client expectations
Maintaining increased funding for HMRC is a ‘high possibility’ if he becomes PM, ITR has also heard
Ian Halligan previously led Baker Tilly’s international tax services in the US
The network’s tax service line grew more than those for audit and assurance, advisory and legal services over the same period
The £7.4m buyout marks MHA’s latest acquisition since listing on the London Stock Exchange earlier this year
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