Company lists · Data refreshed September 2026

Top 25 Middle market accounting firms worldwide

Name: Middle market accounting firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 39,942 companies tracked

RevenueBase identified 39,942 company matches for middle market accounting firms worldwide as of September 2026 and tracks 851,571 professional contacts across them, including 301,698 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for middle market accounting firms 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 28, 2026. Country and city lists for middle market accounting firms 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 28, 2026 How this list was built

39,942Companies

851,571Contacts tracked

301,698Verified emails

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The 25 largest middle market accounting firms worldwide

Ranked by team size

Top 25 of 39,942 company matches for middle market accounting firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	MNP	Exact match	Calgary, AB, CanadaHQ recorded Sep 28, 2026	5,001-10,000	8,773 contacts →
	Exact match “MNP is a leading national accounting, tax and business consulting firm in Canada.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	BDO UK	Exact match	London, United KingdomHQ recorded Sep 28, 2026	5,001-10,000	6,933 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 · Sep 28, 2026 · View company records in RevenueBase
3	Kpmg France	Exact match	Paris La Défense, FranceHQ recorded Sep 28, 2026	10001+	5,839 contacts →
	Exact match “Leader de l'audit, du conseil et de l'expertise comptable, KPMG France est membre de KPMG International, réseau de cabinets indépendants exerçant dans 155 pays.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Grant Thornton UK	Exact match	London, United KingdomHQ recorded Sep 28, 2026	5,001-10,000	5,509 contacts →
	Exact match “When choosing an advisor, you could accept the usual compromises.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	BDO Canada	Exact match	Toronto, ON, CanadaHQ recorded Sep 28, 2026	1,001-5,000	4,833 contacts →
	Exact match “Canada’s Top 100 Employers 2025 I 2024 I 2023 I 2022 BDO Canada LLP is a leading provider of professional services to clients across a variety of sectors and segments.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	RSM	Exact match	London, United KingdomHQ recorded Sep 28, 2026	10001+	3,630 contacts →
	Exact match “RSM is a leading global network of assurance, tax and consulting firms focused on the middle-market.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	PWC Luxembourg	Exact match	LuxembourgHQ recorded Sep 28, 2026	1,001-5,000	3,413 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 · Sep 28, 2026 · View company records in RevenueBase
8	In Extenso	Exact match	Lyon, FranceHQ recorded Sep 28, 2026	5,001-10,000	3,278 contacts →
	Exact match “Crée en 1991 In Extenso est l’un des leaders de l’expertise comptable en France.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	BDO In Australia	Exact match	Bdo, IndonesiaHQ recorded Sep 28, 2026	1,001-5,000	2,528 contacts →
	Exact match “BDO is a trusted adviser to clients seeking audit, tax and advisory services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Grant Thornton Ireland	Exact match	Dublin, IrelandHQ recorded Sep 28, 2026	1,001-5,000	2,374 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 28, 2026 · View company records in RevenueBase
11	PWC Sweden	Exact match	Stockholm, SwedenHQ recorded Sep 28, 2026	1,001-5,000	2,276 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 28, 2026 · View company records in RevenueBase
12	Kpmg Luxembourg	Exact match	LuxembourgHQ recorded Sep 28, 2026	1,001-5,000	1,902 contacts →
	Exact match “KPMG is a global organization of independent professional services firms providing Audit, Tax and Advisory services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Kpmg Philippines	Exact match	Makati City, PhilippinesHQ recorded Sep 28, 2026	1,001-5,000	1,888 contacts →
	Exact match “KPMG R.G.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	BDO South Africa	Exact match	Johannesburg, South AfricaHQ recorded Sep 28, 2026	1,001-5,000	1,870 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 · Sep 28, 2026 · View company records in RevenueBase
15	Grant Thornton Sweden	Exact match	Stockholm, SwedenHQ recorded Sep 28, 2026	1,001-5,000	1,724 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 · Sep 28, 2026 · View company records in RevenueBase
16	Kpmg Poland	Exact match	Warsaw, PolandHQ recorded Sep 28, 2026	1,001-5,000	1,696 contacts →
	Exact match “KPMG jest globalną organizacją niezależnych firm świadczących profesjonalne usługi z zakresu audytu, doradztwa podatkowego, finansowego, prawnego oraz consultingu.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Grant Thornton Australia	Exact match	Sydney, AustraliaHQ recorded Sep 28, 2026	1,001-5,000	1,626 contacts →
	Exact match “Your business deserves remarkable support.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	BDO Germany	Exact match	Hamburg, GermanyHQ recorded Sep 28, 2026	1,001-5,000	1,576 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 28, 2026 · View company records in RevenueBase
19	Beierholm	Exact match	Aalborg, DenmarkHQ recorded Sep 28, 2026	1,001-5,000	1,568 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 · Sep 28, 2026 · View company records in RevenueBase
20	Pitcher Partners	Exact match	Docklands, AustraliaHQ recorded Sep 28, 2026	1,001-5,000	1,531 contacts →
	Exact match “Accounting and business advisory experts sharing insights about issues impacting family-controlled and privately owned businesses, high net-worth individuals, the public sector…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	BDO Norge	Exact match	Oslo, NorwayHQ recorded Sep 28, 2026	1,001-5,000	1,530 contacts →
	Exact match “We see great value in having a local presence and roots, factors which enable us to work closely with our clients.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	BDO In Indonesia	Exact match	Jakarta, IndonesiaHQ recorded Sep 28, 2026	501-1,000	1,508 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 28, 2026 · View company records in RevenueBase
23	Kpmg Portugal	Exact match	Lisboa, PortugalHQ recorded Sep 28, 2026	1,001-5,000	1,493 contacts →
	Exact match “KPMG is a global organization of independent professional services firms providing Audit, Tax and Advisory services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	RSM Ebner Stolz	Exact match	Stuttgart, GermanyHQ recorded Sep 28, 2026	1,001-5,000	1,442 contacts →
	Exact match “Wollen Sie jemanden, der Sie auch beim Sprung in neue Märkte und bei allen anstehenden Herausforderungen begleitet?” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Crowe UK	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	1,395 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 · Sep 28, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “middle market accounting firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 39,942 middle market accounting firms worldwide

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Middle market accounting firms worldwide at a glance

As of Sep 28, 2026

35.4%Verified-email coverage

21.3Average contacts per company

1-10Median size (employees)

1.8%Largest-city concentration · Sao Paulo

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

21,900

11-50

13,798

51-200

3,019

201-500

559

501-1,000

165

1,001-5,000

190

5,001-10,000

10001+

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 middle market accounting firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “middle market accounting firms” 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 301,698 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 28, 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.

Middle market accounting firms by location

200 lists · largest first

Every Middle market accounting firms 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 “middle market accounting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many middle market accounting firms are there worldwide?

RevenueBase identified 39,942 company matches for middle market accounting firms 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?

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

Which country has the most middle market accounting firms?

The United States leads with 10,504 companies, followed by Brazil (4,147) and the United Kingdom (2,186). Every middle market accounting firms list by country and city is linked on this page.

Which city has the most middle market accounting firms?

Sao Paulo leads with 718 company records, followed by London (439) and Paris (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 301,698 professional contacts with verified work emails tracked across these 39,942 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 28, 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.