Company lists · Data refreshed September 2026

Top 25 Tax advisory services companies worldwide

RevenueBase identified 47,368 company matches for tax advisory services companies worldwide as of September 2026 and tracks 409,859 professional contacts across them, including 103,405 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for tax advisory services companies worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 22, 2026. Country and city lists for tax advisory services companies follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Sep 22, 2026 How this list was built
47,368Companies
409,859Contacts tracked
103,405Verified emails
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The 25 largest tax advisory services companies worldwide

Ranked by team size
Top 25 of 47,368 company matches for tax advisory services companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchChennai, IndiaHQ recorded Sep 22, 2026n/a10,260 contacts →

Exact match

“The core business of our firm is to provide comprehensive package of accounting, secretarial, taxation and business advisory services to Corporate Clients.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
2Exact matchDublin 2, IrelandHQ recorded Sep 22, 20261,001-5,0002,952 contacts →

Exact match

“KPMG is a leading provider of professional services, offering a range of audit, tax and advisory services to a broad range of domestic and international clients across all sectors…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3Exact matchDublin, IrelandHQ recorded Sep 22, 20261,001-5,0002,374 contacts →

Exact match

“In Ireland, Grant Thornton Ireland and Grant Thornton Corporate Finance Limited (and their respective subsidiary/affiliate entities) operate under an alternative practice…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4Exact matchStockholm, SwedenHQ recorded Sep 22, 20261,001-5,0002,276 contacts →

Exact match

“På PwC hjälper vi våra kunder att bygga förtroende och ställa om sin verksamhet för att öka konkurrenskraften.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5Exact matchHamburg, GermanyHQ recorded Sep 22, 20261,001-5,0001,576 contacts →

Exact match

“BDO is the leading entrepreneurial driven provider for audit and audit-related services, tax and business law consulting as well as advisory services.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6Exact matchJakarta, IndonesiaHQ recorded Sep 22, 2026501-1,0001,508 contacts →

Exact match

“BDO is the leading provider of professional services within the mid-tier of our profession.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Sep 22, 2026501-1,0001,151 contacts →

Exact match

“At Moore Kingston Smith, we believe in the potential of people to make a positive impact, fuelled by the power of genuine understanding.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8Exact matchDelhi, IndiaHQ recorded Sep 22, 20261,001-5,0001,098 contacts →

Exact match

“ASA is the exclusive India member firm of Baker Tilly International network – the 9th largest accounting network globally.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9Exact matchValencia, SpainHQ recorded Sep 22, 2026n/a1,097 contacts →

Exact match

“En Wipro impulsamos el progreso.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10Exact matchPrague, Czech RepublicHQ recorded Sep 22, 20261,001-5,000858 contacts →

Exact match

“Poskytujeme služby v oblasti auditu, daní, poradenství a práva.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11Exact matchBonn, GermanyHQ recorded Sep 22, 2026501-1,000651 contacts →

Exact match

“Flick Gocke Schaumburg is an independent partnership of lawyers, tax advisors and auditors working with more than 320 professionals from offices in Berlin, Bonn, Düsseldorf…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12Exact matchUnited StatesHQ recorded Sep 22, 20261,001-5,000627 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13Exact matchLuxembourgHQ recorded Sep 22, 2026501-1,000600 contacts →

Exact match

“BDO Luxembourg is one of the largest firms of accountants, auditors and consultants in Luxembourg.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14Exact matchWien, AustriaHQ recorded Sep 22, 20261,001-5,000599 contacts →

Exact match

“Holen Sie sich eine Datenschutzzertifizierung für Ihr Unternehmen.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 22, 2026501-1,000575 contacts →

Exact match

“Buzzacott is an accountancy and advisory firm with a long-standing history of supporting individuals, businesses, and not-for-profits.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16Exact matchAtlanta, GA, United StatesHQ recorded Sep 22, 2026201-500558 contacts →

Exact match

“Bennett Thrasher provides proven guidance for financial confidence through premier tax, audit, advisory, and outsourcing solutions.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17Exact matchWarszawa, PolandHQ recorded Sep 22, 2026201-500407 contacts →

Exact match

“We are a leading Polish consulting firm committed to helping businesses make informed decisions.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18Exact matchNeustadt An Der Weinstrasse, GermanyHQ recorded Sep 22, 20261,001-5,000373 contacts →

Exact match

“Deutschlands Nr.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19Exact matchMumbai, IndiaHQ recorded Sep 22, 2026201-500342 contacts →

Exact match

“InCorp Group is one of APAC’s leading professional services firms headquartered in Singapore.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20Exact matchJakarta, IndonesiaHQ recorded Sep 22, 2026201-500299 contacts →

Exact match

“Founded in MUC Consulting (MUC) is at the forefront of business consultancy in Indonesia.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21Exact matchPrague, Czech RepublicHQ recorded Sep 22, 2026501-1,000282 contacts →

Exact match

“Jsme poradenská společnost poskytující auditorské, daňové, právní, účetní a poradenské služby.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22Exact matchMumbai, IndiaHQ recorded Sep 22, 2026201-500274 contacts →

Exact match

“Transaction Square is a Tax, Regulatory and Business Advisory firm founded by entrepreneurial Big-4 Partners having collective advisory experience spanning over 3 decades.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
23Exact matchBangalore, IndiaHQ recorded Sep 22, 2026201-500273 contacts →

Exact match

“Established in the year 1981, Singhvi Dev & Unni LLP, Chartered Accountants (SDU), is a professional services firm headquartered in Bengaluru, India and also operating from its…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
24Exact matchJakarta Selatan, IndonesiaHQ recorded Sep 22, 2026201-500269 contacts →

Exact match

“TaxPrime is a Tax Consulting Firm, based in Jakarta, the Capital City of Indonesia.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
25Exact matchVienna, AustriaHQ recorded Sep 22, 20261,001-5,000260 contacts →

Exact match

“TPA is one of the leading tax advisory and auditing services companies in Austria as well as in Central and South Eastern Europe.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase

Showing 25 of 47,368 tax advisory services companies worldwide

See the full list, filter by size, metro and specialty, and access 103,405 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Tax advisory services companies worldwide at a glance

As of Sep 22, 2026
25.2%Verified-email coverage
8.7Average contacts per company
1-10Median size (employees)
1.6%Largest-city concentration · Sao Paulo
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
30,300
11-50
13,745
51-200
2,206
201-500
351
501-1,000
88
1,001-5,000
66
5,001-10,000
13
10001+
16

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for tax advisory services companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “tax advisory services companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 103,405 professional contacts with verified work emails across the full matched dataset. 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.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Tax advisory services companies by location

172 lists · largest first

Every Tax advisory services companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “tax advisory services companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many tax advisory services companies are there worldwide?

RevenueBase identified 47,368 company matches for tax advisory services companies worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

CA Firm tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most tax advisory services companies?

The United States leads with 10,682 companies, followed by Germany (4,831) and Brazil (3,959). Every tax advisory services companies list by country and city is linked on this page.

Which city has the most tax advisory services companies?

Sao Paulo leads with 770 company records, followed by London (501) and Dubai (353).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 103,405 professional contacts with verified work emails tracked across these 47,368 companies; direct dials are available where recorded.

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.

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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 SmartSearch, 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.