Company lists · Data refreshed November 2026

Top 25 Tax accounting services worldwide

RevenueBase identified 80,601 company matches for tax accounting services worldwide as of November 2026 and tracks 875,237 professional contacts across them, including 270,336 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for tax accounting services 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 November 6, 2026. Country and city lists for tax accounting services 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 Nov 6, 2026 How this list was built
80,601Companies
875,237Contacts tracked
270,336Verified emails
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The 25 largest tax accounting services worldwide

Ranked by team size
Top 25 of 80,601 company matches for tax accounting services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 Nov 6, 2026n/a10,802 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 · Nov 6, 2026 · View company records in RevenueBase
2Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 20265,001-10,0009,206 contacts →

Exact match

“MNP is a leading national accounting, tax and business consulting firm in Canada.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Nov 6, 20265,001-10,0007,139 contacts →

Exact match

“BDO LLP is an accountancy and business advisory firm that provides Audit, Tax, Deals, and Consulting, Risk & Outsourcing (CR & O) services to entrepreneurial, growing and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchLuxembourgHQ recorded Nov 6, 20261,001-5,0003,425 contacts →

Exact match

“PwC Luxembourg is the largest professional services firm in Luxembourg with over 3,600 people employed from 90 different countries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchDublin 2, IrelandHQ recorded Nov 6, 20261,001-5,0002,988 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 · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBdo, IndonesiaHQ recorded Nov 6, 20261,001-5,0002,758 contacts →

Exact match

“We help ambitious organisations move forward with confidence.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchDublin, IrelandHQ recorded Nov 6, 20261,001-5,0002,584 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 · Nov 6, 2026 · View company records in RevenueBase
8Exact matchStockholm, SwedenHQ recorded Nov 6, 20261,001-5,0002,312 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 · Nov 6, 2026 · View company records in RevenueBase
9Exact matchJohannesburg, South AfricaHQ recorded Nov 6, 20261,001-5,0001,906 contacts →

Exact match

“Audit | Advisory | Tax The South African member firm of BDO International - The Leader for Exceptional Client Service since 1963 BDO clients experience a distinctive level of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchJakarta, IndonesiaHQ recorded Nov 6, 2026501-1,0001,729 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchStockholm, SwedenHQ recorded Nov 6, 20261,001-5,0001,726 contacts →

Exact match

“Grant Thornton är ett ledande revisions- och rådgivningsföretag med över 1400 medarbetare som erbjuder tjänster inom revision, skatt, redovisning och specialistrådgivning.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchHamburg, GermanyHQ recorded Nov 6, 20261,001-5,0001,665 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 · Nov 6, 2026 · View company records in RevenueBase
13Exact matchAalborg, DenmarkHQ recorded Nov 6, 20261,001-5,0001,604 contacts →

Exact match

“Beierholm is the preferred auditing and consulting company for small and medium-sized companies in Denmark.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Nov 6, 20261,001-5,0001,482 contacts →

Exact match

“Crowe UK is a leading audit, tax, advisory and consulting firm with a national presence to complement our international reach.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchAthens, GreeceHQ recorded Nov 6, 20261,001-5,0001,371 contacts →

Exact match

“Grant Thornton SA provides personalised assurance, tax and advisory services to listed entities, privately-held businesses and public sector businesses.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchStockholm, SwedenHQ recorded Nov 6, 20261,001-5,0001,319 contacts →

Exact match

“Aspia är Nordeuropas ledande affärspartner för företag som vill ta nästa steg.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Nov 6, 2026501-1,0001,215 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 · Nov 6, 2026 · View company records in RevenueBase
18Exact matchZaventem, BelgiumHQ recorded Nov 6, 20261,001-5,000983 contacts →

Exact match

“At BDO, we believe in empowering organisations and people to achieve sustainable growth and realise their full potential.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchАлматы, KazakhstanHQ recorded Nov 6, 2026501-1,000857 contacts →

Exact match

“KPMG Kazakhstan is part of KPMG Caucasus and Central Asia and also part of a global network of professional firms providing Audit, Tax and Advisory services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchOrléans, FranceHQ recorded Nov 6, 20261,001-5,000834 contacts →

Exact match

“Pour ORCOM, le conseil est un état d'esprit.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchValencia, SpainHQ recorded Nov 6, 2026n/a832 contacts →

Exact match

“En Wipro impulsamos el progreso.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchDelhi, IndiaHQ recorded Nov 6, 20261,001-5,000775 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 · Nov 6, 2026 · View company records in RevenueBase
23Exact matchExeter, United KingdomHQ recorded Nov 6, 2026501-1,000760 contacts →

Exact match

“Any good accountancy firm can help with your finance, audit, and tax.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchNorwich, United KingdomHQ recorded Nov 6, 2026201-500752 contacts →

Exact match

“At TaxAssist Accountants we specialise in providing accountancy services, tax returns, payroll, bookkeeping, tax savings and tax advice to small businesses and support over…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchZwolle, NetherlandsHQ recorded Nov 6, 20261,001-5,000721 contacts →

Exact match

“Wij zijn Moore MKW.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 80,601 tax accounting services worldwide

See the full list, filter by size, metro and specialty, and access 270,336 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Tax accounting services worldwide at a glance

As of Nov 6, 2026
30.9%Verified-email coverage
10.9Average contacts per company
1-10Median size (employees)
1.7%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
51,785
11-50
22,594
51-200
3,583
201-500
573
501-1,000
142
1,001-5,000
124
5,001-10,000
22
10001+
28

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 accounting services are linked below.
What qualifies
Company records worldwide whose business descriptions match “tax accounting services” 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 270,336 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 November 6, 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 accounting services by location

389 lists · largest first

Every Tax accounting services 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 accounting services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many tax accounting services are there worldwide?

RevenueBase identified 80,601 company matches for tax accounting services worldwide as of November 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 accounting services?

The United States leads with 21,107 companies, followed by Brazil (7,596) and the United Kingdom (5,186). Every tax accounting services list by country and city is linked on this page.

Which city has the most tax accounting services?

Sao Paulo leads with 1354 company records, followed by London (1027) and New York (500).

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 270,336 professional contacts with verified work emails tracked across these 80,601 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 November 6, 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.