Company lists · Data refreshed September 2026

Top 25 IT provider for professional services firms worldwide

Name: IT provider for professional services firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 32,979 companies tracked

RevenueBase identified 32,979 company matches for IT provider for professional services firms worldwide as of September 2026 and tracks 566,238 professional contacts across them, including 166,106 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for IT provider for professional services 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 21, 2026. Country and city lists for IT provider for professional services 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 21, 2026 How this list was built

32,979Companies

566,238Contacts tracked

166,106Verified emails

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The 25 largest IT provider for professional services firms worldwide

Ranked by team size

Top 25 of 32,979 company matches for IT provider for professional services firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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	Kpmg India	Exact match	Gurugram, IndiaHQ recorded Sep 21, 2026	10001+	28,997 contacts →
	Exact match “KPMG entities in India are established under the laws of India and are owned and managed (as the case may be) by established Indian professionals.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2	BDO	Exact match	Brussels, BelgiumHQ recorded Sep 21, 2026	10001+	14,003 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 21, 2026 · View company records in RevenueBase
3	Guidehouse	Exact match	Mclean, VA, United StatesHQ recorded Sep 21, 2026	10001+	12,815 contacts →
	Exact match “Guidehouse is a global AI-led professional services firm delivering advisory, technology, and managed services to the commercial and government sectors.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4	Wolters Kluwer	Exact match	Alphen Aan Den Rijn, NetherlandsHQ recorded Sep 21, 2026	10001+	11,076 contacts →
	Exact match “Wolters Kluwer (EURONEXT: WKL) is a global leader in information, software solutions and services for professionals in healthcare; tax and accounting; financial and corporate…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5	Protiviti	Exact match	Menlo Park, CA, United StatesHQ recorded Sep 21, 2026	5,001-10,000	8,779 contacts →
	Exact match “Protiviti is a global consulting firm that delivers deep expertise, objective insights, a tailored approach and unparalleled collaboration to help leaders confidently face the…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6	BDO UK	Exact match	London, United KingdomHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
7	CBIZ	Exact match	Independence, OH, United StatesHQ recorded Sep 21, 2026	10001+	6,369 contacts →
	Exact match “CBIZ, Inc.(NYSE: CBZ) is a leading professional services advisor to middle-market businesses nationwide.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8	BDO India	Exact match	Mumbai, IndiaHQ recorded Sep 21, 2026	5,001-10,000	6,148 contacts →
	Exact match “BDO India is the Indian member firm of BDO, the world’s fifth-largest professional services organisation, operating in 166 countries and territories with a team of over…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9	BDO Canada	Exact match	Toronto, ON, CanadaHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
10	Wipfli	Exact match	Milwaukee, WI, United StatesHQ recorded Sep 21, 2026	1,001-5,000	3,047 contacts →
	Exact match “Always advancing.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11	Citrin Cooperman	Exact match	New York, United StatesHQ recorded Sep 21, 2026	1,001-5,000	2,996 contacts →
	Exact match “Citrin Cooperman is one of the nation’s largest and fastest-growing professional services firms.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12	Armanino	Exact match	San Ramon, CA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	2,989 contacts →
	Exact match “Founded as an alternative to the status quo, Armanino doesn’t just keep up with change, we embrace it.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13	PWC Sweden	Exact match	Stockholm, SwedenHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
14	IT Group, INC	Exact match	Quezon City, PhilippinesHQ recorded Sep 21, 2026	n/a	2,238 contacts →
	Exact match “IT Group, Inc.(also known as ITG), is an Information Technology solutions partner that endeavors to provide growing organizations with solutions that meet the unique needs of…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15	Iris Software Group	Exact match	Slough, United KingdomHQ recorded Sep 21, 2026	1,001-5,000	2,218 contacts →
	Exact match “IRIS Software Group is a leading business software and services provider, one of the UK’s largest privately held software companies.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16	Uhy-Us	Exact match	New York, NY, United StatesHQ recorded Sep 21, 2026	1,001-5,000	2,035 contacts →
	Exact match “UHY is one of the nation’s largest professional services firms providing audit, tax, consulting and advisory services to clients primarily in the dynamic middle market.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17	Kpmg Philippines	Exact match	Makati City, PhilippinesHQ recorded Sep 21, 2026	1,001-5,000	1,888 contacts →
	Exact match “KPMG R.G.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18	Weaver	Exact match	Houston, TX, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,860 contacts →
	Exact match “Weaver has built a nationwide presence on an unwavering commitment to client success, acting with integrity and always striving to transcend expectations.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19	Davies	Exact match	City Of London, United KingdomHQ recorded Sep 21, 2026	5,001-10,000	1,840 contacts →
	Exact match “We are a specialist professional services and technology firm, working in partnership with leading insurance, highly regulated and global businesses.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20	Kpmg Poland	Exact match	Warsaw, PolandHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
21	Sikich	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,688 contacts →
	Exact match “Sikich offers the public and private sectors a diverse platform of professional services across consulting, technology, and compliance.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22	Emagine	Exact match	Copenhagen, DenmarkHQ recorded Sep 21, 2026	1,001-5,000	1,636 contacts →
	Exact match “emagine is a high-end business & IT consulting company challenging the way businesses leverage high-end expertise.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23	IDS Infotech Limited	Exact match	Mohali, IndiaHQ recorded Sep 21, 2026	1,001-5,000	1,544 contacts →
	Exact match “IDS Infotech empowers global industrial and regulatory enterprises with AI-enabled intelligence and end-to-end execution.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24	BDO In Indonesia	Exact match	Jakarta, IndonesiaHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
25	BPM LLP	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,303 contacts →
	Exact match “Hi there, we're BPM!” Recorded in the RevenueBase company graph · Sep 21, 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 “IT provider for professional services 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 32,979 IT provider for professional services firms worldwide

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IT provider for professional services firms worldwide at a glance

As of Sep 21, 2026

29.3%Verified-email coverage

17.2Average contacts per company

1-10Median size (employees)

1.5%Largest-city concentration · Sao Paulo

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

18,550

11-50

10,417

51-200

2,847

201-500

649

501-1,000

199

1,001-5,000

155

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 IT provider for professional services firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “IT provider for professional services 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 166,106 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 21, 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.

IT provider for professional services firms by location

155 lists · largest first

Every IT provider for professional services 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 “IT provider for professional services firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT provider for professional services firms are there worldwide?

RevenueBase identified 32,979 company matches for IT provider for professional services 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?

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

Which country has the most IT provider for professional services firms?

The United States leads with 7,676 companies, followed by India (2,323) and Brazil (1,855). Every IT provider for professional services firms list by country and city is linked on this page.

Which city has the most IT provider for professional services firms?

Sao Paulo leads with 490 company records, followed by London (471) and Paris (243).

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 166,106 professional contacts with verified work emails tracked across these 32,979 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 21, 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.