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2026 Edition
Customs
Other notable
9 firms ranked
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Tier 1

Baker McKenzie
8 practice areas
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PwC
8 practice areas
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R&T Asia (Thailand)
3 practice areas
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Tier 2

Deloitte Thailand
8 practice areas
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EY
8 practice areas
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Tier 3

Blumenthal Richter Sumet & Schuler
3 practice areas
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Tilleke & Gibbins
5 practice areas
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Other notable

Lorenz & Partners
4 practice areas
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Nishimura & Asahi
3 practice areas
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General corporate tax
Tier 2
15 firms ranked
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Tier 1

Baker McKenzie
8 practice areas
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Deloitte Thailand
8 practice areas
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EY
8 practice areas
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KPMG
8 practice areas
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LawAlliance
3 practice areas
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PwC
8 practice areas
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Tier 2

Blumenthal Richter Sumet & Schuler
3 practice areas
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DFDL
5 practice areas
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Kudun & Partners
6 practice areas
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Lorenz & Partners
4 practice areas
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Tier 3

Nishimura & Asahi
3 practice areas
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R&T Asia (Thailand)
3 practice areas
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Tilleke & Gibbins
5 practice areas
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Other notable

Chandler Mori Hamada
1 practice area
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HLB Advisory
3 practice areas
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Transfer pricing
Tier 3
10 firms ranked
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Tier 1

Deloitte Thailand
8 practice areas
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EY
8 practice areas
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KPMG
8 practice areas
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PwC
8 practice areas
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Tier 2

Baker McKenzie
8 practice areas
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Tier 3

DFDL
5 practice areas
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HLB Advisory
3 practice areas
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Kudun & Partners
6 practice areas
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Lorenz & Partners
4 practice areas
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Tilleke & Gibbins
5 practice areas
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Linked Reviews
Tax

Lorenz & Partners is the local partner firm of WTS Global in Thailand. The team provides tax planning and counselling for foreign corporate investors and their expatriates. Its lawyers and tax experts have many years of experience in matters of national and international taxation. Partner Naowarat Karst heads the tax and accounting practice. Managing partner Till Morstadt is another key professional in the team. He is experienced in advising international companies investing in Southeast Asia.

The team recently worked as a sole advisor to Herrenknecht (Asia) in an ongoing tax dispute. The work involved negotiating with the revenue department.

3 results3 results
But businesses should remain flexible when choosing between internal and external resources to handle added ViDA complexity, ITR’s Indirect Tax forum also heard
Jeff Soar lifts the lid on WTS UK’s ambitious recruitment plans, the firm's positioning against the big four, and why tax is the perfect profession for AI
ITR sat down for a pre-event interview with Tim Zech, WTS Germany, and Jeff Soar, WTS UK, keynote speaker at next week’s ITR AI in Tax Forum 2026 in London
While pillar two has been enacted on paper in Brazil, companies are encountering a range of practical compliance issues, ITR has heard
The firm’s eye-catching UK launch is a major statement of intent, but it will face stern opposition in its quest to be the top global tax player
Under Jeff Soar’s leadership, WTS UK aims to scale to 100 partners within five years and challenge the big four
One year after Nuwaru joined the WTS network, leaders James Jobson and Matthew Missaghi reflect on the firm’s mission to offer mid-tier pricing but deliver top-tier results
Increasingly, clients are looking for different advisers to the established players, Ryan’s president for European and Asia Pacific operations tells ITR
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