Company lists · Data refreshed September 2026

Top 25 Managed IT services for audit firms worldwide

RevenueBase identified 11,490 managed IT services for audit firms worldwide as of September 2026 and tracks 143,796 professional contacts across them, including 45,872 with verified work emails. The United States is the largest market and London the largest hub.

This list covers managed IT services for audit firms worldwide, 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 28, 2026. Country and city lists for managed IT services for audit firms follow the table.

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 28, 2026 86% judged on-target in blind review
11,490Companies
143,796Contacts tracked
45,872Verified emails
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The 25 largest managed IT services for audit firms worldwide

Ranked by team size
Top 25 of 11,490 managed IT services for audit firms worldwide, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to managed IT services for audit firms: 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 evidenceChicago, IL, United StatesHQ checked Sep 28, 20261,001-5,0001,688 contacts →

Indirect evidence

“Sikich offers the public and private sectors a diverse platform of professional services across consulting, technology, and compliance.”

Source: RevenueBase Database · checked Sep 28, 2026
2Indirect evidenceMeudon La Foret, FranceHQ checked Sep 28, 2026n/a1,519 contacts →

Indirect evidence

“Société d'infogérance”

Source: RevenueBase Database · checked Sep 28, 2026
3Indirect evidenceJakarta, IndonesiaHQ checked Sep 28, 2026501-1,0001,508 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
4Indirect evidenceStuttgart, GermanyHQ checked Sep 28, 20261,001-5,0001,442 contacts →

Indirect evidence

“Wollen Sie jemanden, der Sie auch beim Sprung in neue Märkte und bei allen anstehenden Herausforderungen begleitet?”

Source: RevenueBase Database · checked Sep 28, 2026
5Partial evidenceColombo 03, Sri LankaHQ checked Sep 28, 20261,001-5,0001,126 contacts →

Partial evidence

“KPMG is a global organization of independent professional services firms providing Audit, Tax and Advisory services.”

Source: RevenueBase Database · checked Sep 28, 2026
6Partial evidenceCosta Mesa, CA, United StatesHQ checked Sep 28, 20261,001-5,0001,037 contacts →

Partial evidence

“Synoptek is a leading global managed services provider and technology consulting firm that delivers transformative business results.”

Source: RevenueBase Database · checked Sep 28, 2026
7Indirect evidenceNew Delhi, IndiaHQ checked Sep 28, 2026501-1,000957 contacts →

Indirect evidence

“S S Kothari Mehta & Company (SSKM) is chartered accountant firm established in 1953 in Kolkata and later on expanded its base to New Delhi, Chandigarh & Mumbai as well.”

Source: RevenueBase Database · checked Sep 28, 2026
8Indirect evidenceDelhi-ncr, IndiaHQ checked Sep 28, 20261,001-5,000952 contacts →

Indirect evidence

“Nangia & Co LLP stands as a preeminent one of the top leading CA firm in India with a remarkable four-decade legacy of enriching the business landscape for an extensive clientele…”

Source: RevenueBase Database · checked Sep 28, 2026
9Indirect evidenceMadrid, SpainHQ checked Sep 28, 2026501-1,000890 contacts →

Indirect evidence

“En Grant Thornton España ayudamos a que tu empresa vaya más allá.”

Source: RevenueBase Database · checked Sep 28, 2026
10Indirect evidenceAustin, TX, United StatesHQ checked Sep 28, 20261,001-5,000751 contacts →

Indirect evidence

“TPx is the reliable sidekick every growing business deserves, powering your tech while you take the lead.”

Source: RevenueBase Database · checked Sep 28, 2026
11Partial evidenceFort Washington, PA, United StatesHQ checked Sep 28, 2026501-1,000683 contacts →

Partial evidence

“With 30 years of experience as a trusted managed services provider, we're your dedicated partner in navigating the complex world of technology, so you can focus on growing your…”

Source: RevenueBase Database · checked Sep 28, 2026
12Strong evidenceUnited StatesHQ checked Sep 28, 20261,001-5,000656 contacts →

Strong evidence

“TeamLogic IT provides IT service, support, project consultation and account management for businesses.”

Source: RevenueBase Database · checked Sep 28, 2026
13Indirect evidenceNorth Canton, OH, United StatesHQ checked Sep 28, 20261,001-5,000655 contacts →

Indirect evidence

“ABOUT VISUAL EDGE, INC.”

Source: RevenueBase Database · checked Sep 28, 2026
14Indirect evidenceSan Isidro, PeruHQ checked Sep 28, 2026501-1,000603 contacts →

Indirect evidence

“La red global de BDO se extiende a lo largo de 166 países y territorios, con 115,661 personas trabajando en 1,776 oficinas y todas bajo un mismo objetivo: brindar a nuestros…”

Source: RevenueBase Database · checked Sep 28, 2026
15Strong evidenceLexington, KY, United StatesHQ checked Sep 28, 2026501-1,000590 contacts →

Strong evidence

“Dean Dorton provides an integrated suite of audit, tax, business management, consulting, and technology solutions.”

Source: RevenueBase Database · checked Sep 28, 2026
16Partial evidenceCranbury Township, NJ, United StatesHQ checked Sep 28, 2026501-1,000574 contacts →

Partial evidence

“Integris is a national leader in future-ready Managed Services, delivering innovative solutions that drive digital maturity for small and midsize businesses.”

Source: RevenueBase Database · checked Sep 28, 2026
17Strong evidenceAuckland, New ZealandHQ checked Sep 28, 2026n/a545 contacts →

Strong evidence

“Managing IT systems can be complex and time-consuming, with security risks, outdated infrastructure, and inefficient processes holding your business back.”

Source: RevenueBase Database · checked Sep 28, 2026
18Indirect evidenceMclean, VA, United StatesHQ checked Sep 28, 2026501-1,000505 contacts →

Indirect evidence

“At Ntiva, growing people (our employees, partners, and clients) is our mission.”

Source: RevenueBase Database · checked Sep 28, 2026
19Indirect evidenceLondon, United KingdomHQ checked Sep 28, 20261,001-5,000505 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 28, 2026
20Indirect evidenceChicago, IL, United StatesHQ checked Sep 28, 20265,001-10,000505 contacts →

Indirect evidence

“Forget what you think you know about professional services.”

Source: RevenueBase Database · checked Sep 28, 2026
21Strong evidenceColumbia, SC, United StatesHQ checked Sep 28, 2026501-1,000495 contacts →

Strong evidence

“VC3 is a managed IT and cybersecurity services provider serving organizations throughout the US and Canada.”

Source: RevenueBase Database · checked Sep 28, 2026
22Partial evidenceMumbai, IndiaHQ checked Sep 28, 2026201-500458 contacts →

Partial evidence

“We offer Internal Audit & Risk Consulting related services.”

Source: RevenueBase Database · checked Sep 28, 2026
23Indirect evidenceHouston, TX, United StatesHQ checked Sep 28, 2026501-1,000450 contacts →

Indirect evidence

“If you’re a midsize enterprise with employees (i.e, an “MSE” according to Gartner), we know what you’re going through.”

Source: RevenueBase Database · checked Sep 28, 2026
24Partial evidenceAustin, TX, United StatesHQ checked Sep 28, 2026501-1,000439 contacts →

Partial evidence

“CMIT Solutions is a premier IT solution company dedicated to delivering enterprise-class IT support to businesses across North America.”

Source: RevenueBase Database · checked Sep 28, 2026
25Partial evidenceBengaluru, IndiaHQ checked Sep 28, 2026201-500433 contacts →

Partial evidence

“Wipfli India (formerly SpiderLogic) provides services on Audit, Accounting, Technology Consulting services to customers of Wipfli LLP through its development centers in Pune and…”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 25 of 11,490 managed IT services for audit firms worldwide

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Managed IT services for audit firms worldwide at a glance

As of Sep 28, 2026
31.9%Verified-email coverage
12.5Average contacts per company
1-10Median size (employees)
1.4%Largest-city concentration · London
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
6,490
11-50
3,921
51-200
789
201-500
162
501-1,000
52
1,001-5,000
26
5,001-10,000
4
10001+
5

Email recency is reported on each country list linked below.

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 managed IT services for audit firms, 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.
Coverage
Every country. Country and city lists for managed IT services for audit firms are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “managed IT services for audit firms”. 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 managed IT services for audit firms), 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 managed IT services for audit firms, and records with no verified work email.
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, 45,872 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 28, 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.

Managed IT services for audit firms by location

66 lists · largest first

Every Managed IT services for audit 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 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 managed IT services for audit firms, 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 managed IT services for audit firms are there worldwide?

RevenueBase identified 11,490 managed IT services for audit firms worldwide 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?

Sikich, headquartered in Chicago, tops this list with the largest team on record.

Which country has the most managed IT services for audit firms?

The United States leads with 4,099 companies, followed by India (765) and the United Kingdom (631). Every managed IT services for audit firms list by country and city is linked on this page.

Which city has the most managed IT services for audit firms?

London leads with 164 headquartered companies, followed by New York (144) and Sao Paulo (111).

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 45,872 verified decision-maker contacts tracked across these 11,490 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 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 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.