Company lists · Data refreshed November 2026

Top 18 Accounting companies based in Thailand

This directory lists 73 accounting companies based in Thailand, with 2,377 business contacts and 123 email addresses available as of November 2026. Bangkok is the single most-represented city among the companies on this list.

Accounting companies provide services such as bookkeeping, financial reporting, tax preparation, auditing, payroll support, and financial advisory work for businesses and other organizations. This list covers companies that provide accounting, bookkeeping, tax, audit, payroll, or related financial reporting services to business clients. Ranked by team size, largest first. Data current as of November 6, 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 Nov 6, 2026 86% judged on-target in blind review
73Companies
2,377Contacts tracked
123Verified emails
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The 18 largest accounting companies based in Thailand

Ranked by team size
Top 18 of 73 accounting companies based in Thailand, ranked by team size, largest first. Data refreshed Nov 6, 2026. RevenueBase Smart Search rates how each company's information relates to accounting 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
1Indirect evidenceBangkok, ThailandHQ checked Nov 6, 20261,001-5,0001,747 contacts →

Indirect evidence

“KPMG in Thailand, with more than 2,500 professionals offering Audit and Assurance, Legal, Tax, Consulting and Deal Advisory services, is a member firm of the KPMG global…”

Source: RevenueBase Database · checked Nov 6, 2026
2Strong evidenceBangkok, ThailandHQ checked Nov 6, 2026501-1,000113 contacts →

Strong evidence

“From a law office to “Dharmniti Group” holding 10 companies providing services in Legal, Accounting, Auditing, Internal Audit, Training & Seminar, Publishing and Information…”

Source: RevenueBase Database · checked Nov 6, 2026
3Indirect evidenceBangkok, ThailandHQ checked Nov 6, 202651-20082 contacts →

Indirect evidence

“PKF Thailand is a professional services firm headquartered in the heart of the financial district of Bangkok and is a member of PKF International’s global family of legally…”

Source: RevenueBase Database · checked Nov 6, 2026
4Indirect evidenceBangkok, ThailandHQ checked Nov 6, 202651-20045 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Nov 6, 2026
5Indirect evidenceBangkok, ThailandHQ checked Nov 6, 202651-20029 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 Nov 6, 2026
6Strong evidenceKlongtoey, ThailandHQ checked Nov 6, 202611-5026 contacts →

Strong evidence

“Accounting without insight is just numbers.”

Source: RevenueBase Database · checked Nov 6, 2026
7Indirect evidenceBangna, ThailandHQ checked Nov 6, 202611-5026 contacts →

Indirect evidence

“Moore is a leading global network of independent accountancy firms.”

Source: RevenueBase Database · checked Nov 6, 2026
8Strong evidenceBangkok, ThailandHQ checked Nov 6, 202611-5025 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Nov 6, 2026
9Strong evidenceSam Sen Nai, ThailandHQ checked Nov 6, 202611-5012 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Nov 6, 2026
10Strong evidenceBangkok, ThailandHQ checked Nov 6, 2026201-5009 contacts →

Strong evidence

“Mazars in Thailand is a leading audit, accounting, tax, legal and advisory practice, combining the benefits of an integrated global partnership with the entrepreneurial drive of…”

Source: RevenueBase Database · checked Nov 6, 2026
11Strong evidenceSi Lom, ThailandHQ checked Nov 6, 202611-508 contacts →

Strong evidence

“We are Thai accounting firm who well understand foreign business since our past experience in working with foreign corporate and team for more than 15 years.”

Source: RevenueBase Database · checked Nov 6, 2026
12Strong evidenceBangkok City, ThailandHQ checked Nov 6, 20261-107 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Nov 6, 2026
13Strong evidenceBangkok City, ThailandHQ checked Nov 6, 202611-505 contacts →

Strong evidence

“Kraft Accounting Office is an Accounting company located in 26, Sukhumvit Soi 64, Sukhumvit Rd, Bangchak, PhraKanong, Bangkok, Thailand.”

Source: RevenueBase Database · checked Nov 6, 2026
14Indirect evidenceSaimai District, ThailandHQ checked Nov 6, 202611-505 contacts →

Indirect evidence

“The Greenpro KSP Group was established in 2018 from KSP Group Thailand and Greenpro Capital Corporation (GRNQ) Hong Kong.”

Source: RevenueBase Database · checked Nov 6, 2026
15Strong evidenceNong Bon, ThailandHQ checked Nov 6, 202611-501 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Nov 6, 2026
16Strong evidenceBangkok, ThailandHQ checked Nov 6, 202611-501 contacts →

Strong evidence

“Accounting without insight is just numbers.”

Source: RevenueBase Database · checked Nov 6, 2026
17Indirect evidencePhrakhanong, ThailandHQ checked Nov 6, 20261-101 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Nov 6, 2026
18Strong evidencePathumwan, ThailandHQ checked Nov 6, 20261-101 contacts →

Strong evidence

“AlphaPlus Accounting Advisory Group (“AlphaPlus”) is your online accounting expert, not just a traditional accounting firm.”

Source: RevenueBase Database · checked Nov 6, 2026

Showing 18 of 73 accounting companies based in Thailand

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Accounting companies based in Thailand at a glance

As of Nov 6, 2026
5.2%Verified-email coverage
32.6Average contacts per company
11-50Median size (employees)
58.9%Largest-city concentration · Bangkok
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
28
11-50
32
51-200
7
201-500
1
501-1,000
1
1,001-5,000
2

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 73 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 accounting 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 “accounting 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 accounting 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 accounting 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, 123 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 November 6, 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.

Accounting companies by metro

Frequently asked

How many accounting companies are in the directory?

The directory contains 73 accounting companies based in Thailand as of November 2026.

How can I find contacts at accounting companies?

The directory includes 2,377 business contacts and 123 email addresses associated with the listed accounting companies.

Which city has the most accounting companies on the list?

Bangkok is the single most-represented city among the accounting companies on this list.

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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.