Company lists · Data refreshed September 2026

Top 14 Tax advisory services companies based in Thailand

RevenueBase identified 31 tax advisory services companies headquartered in Thailand as of September 2026 and tracks 217 professional contacts across them, including 100 with verified work emails. Bangkok is the largest hub.

This list covers tax advisory services companies headquartered in Thailand, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 22, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 22, 2026 86% judged on-target in blind review
31Companies
217Contacts tracked
100Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 14 largest tax advisory services companies based in Thailand

Ranked by team size
Top 14 of 31 tax advisory services companies based in Thailand, ranked by team size, largest first. Data refreshed Sep 22, 2026. RevenueBase Smart Search rates how each company's information relates to tax advisory services companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceBangkok, ThailandHQ checked Sep 22, 2026201-50068 contacts →

Partial evidence

“Baker Tilly is a full service consultancy practice based in central Bangkok providing Audit, Transaction Advisory (debt/equity), Internal Control, Process and HR Consulting…”

Source: RevenueBase Database · checked Sep 22, 2026
2Indirect evidenceBangkok, ThailandHQ checked Sep 22, 202651-20026 contacts →

Indirect evidence

“Mahanakorn Partners Group (MPG) – Your Trusted Partner in Business, Legal, and Financial Success About MPG Mahanakorn Partners Group (MPG) is a premier professional services firm…”

Source: RevenueBase Database · checked Sep 22, 2026
3Indirect evidenceBangkok, ThailandHQ checked Sep 22, 202611-5023 contacts →

Indirect evidence

“B-accounting is a Multilingual Accounting firm based in Bangkok (Thailand).”

Source: RevenueBase Database · checked Sep 22, 2026
4Partial evidenceBangkok, ThailandHQ checked Sep 22, 202611-5018 contacts →

Partial evidence

“American International Tax Advisers is Asia’s best U.S tax firm.”

Source: RevenueBase Database · checked Sep 22, 2026
5Indirect evidenceBangkok, ThailandHQ checked Sep 22, 202651-20016 contacts →

Indirect evidence

“DIA International Audit is a company based out of 316 Soi Sukhumvit 22, Bangkok, Bangkok, Thailand.”

Source: RevenueBase Database · checked Sep 22, 2026
6Indirect evidenceSam Sen Nai, ThailandHQ checked Sep 22, 202611-509 contacts →

Indirect evidence

“Bangkok International Audit is a public accounting firm in Thailand.”

Source: RevenueBase Database · checked Sep 22, 2026
7Indirect evidenceBangkok, ThailandHQ checked Sep 22, 202611-508 contacts →

Indirect evidence

“Antares was founded in 2002 and has grown rapidly since inception.”

Source: RevenueBase Database · checked Sep 22, 2026
8Partial evidenceBangkok City, ThailandHQ checked Sep 22, 20261-106 contacts →

Partial evidence

“B2K Advisory, we offer clients a broad range of audit, accounting and taxation.”

Source: RevenueBase Database · checked Sep 22, 2026
9Strong evidenceBangkok, ThailandHQ checked Sep 22, 20261-102 contacts →

Strong evidence

“EnDepth is a tax and legal advisory firm providing tax, legal and account services for M&A, IPO, and family business and other tax and legal services.”

Source: RevenueBase Database · checked Sep 22, 2026
10Indirect evidencePhrakhanong, ThailandHQ checked Sep 22, 20261-102 contacts →

Indirect evidence

“AQ Corporate Services LLP is a professional services firm located in Thailand.”

Source: RevenueBase Database · checked Sep 22, 2026
11Indirect evidenceLumpini, ThailandHQ checked Sep 22, 20261-102 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 22, 2026
12Indirect evidencePathumwan, ThailandHQ checked Sep 22, 20261-102 contacts →

Indirect evidence

“The United States is a unique country for many different reasons.”

Source: RevenueBase Database · checked Sep 22, 2026
13Partial evidenceSathorn, ThailandHQ checked Sep 22, 20261-102 contacts →

Partial evidence

“Accounting Plus goes beyond the digits to bring you tax and accounting services in Thailand with a relationship built on trust and friendship.”

Source: RevenueBase Database · checked Sep 22, 2026
14Partial evidenceNong Bon, ThailandHQ checked Sep 22, 202611-501 contacts →

Partial evidence

“Services we provide: Accounting, Bookkeeping, Company Registration, Audit, Taxation, Tax filing, VISA, Work Permit, Financial Reports.”

Source: RevenueBase Database · checked Sep 22, 2026

Showing 14 of 31 tax advisory services companies based in Thailand

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 100 reachable decision-makers.

Free signup · no credit card

View the full list →

Tax advisory services companies based in Thailand at a glance

As of Sep 22, 2026
46.1%Verified-email coverage
7.0Average contacts per company
1-10Median size (employees)
67.7%Largest-city concentration · Bangkok
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
16
11-50
12
51-200
2
201-500
1

Email recency for this list is measured worldwide rather than for Thailand, so it is reported there. Company counts and contact totals on this page are exact for Thailand, over 31 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among tax advisory services companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Thailand whose own description of what they do matches “tax advisory services companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names tax advisory services companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among tax advisory services companies, and records with no verified work email. Companies headquartered outside Thailand are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every listed company carries at least one verified work email, 100 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 22, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names tax advisory services companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many tax advisory services companies are there based in Thailand?

RevenueBase identified 31 tax advisory services companies headquartered in Thailand as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Baker Tilly Thailand, headquartered in Bangkok, tops this list with the largest team on record.

Which city has the most tax advisory services companies?

Bangkok leads with 21 headquartered companies, followed by Bangkok City (3) and Bang Phli Samut (1).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 100 verified decision-maker contacts tracked across these 31 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 22, 2026.

Ready to reach these companies? Verified emails and direct dials for all 31 tax advisory services companies based in Thailand. Start with a free account, no credit card.

Download this list →

Related lists

About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.