Company lists · Data refreshed November 2026

Top 25 Office IT support companies worldwide

Name: Office IT support companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 24,021 companies tracked

RevenueBase identified 24,021 company matches for office IT support companies worldwide as of November 2026 and tracks 157,850 professional contacts across them, including 38,103 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for office IT support 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 November 6, 2026. Country and city lists for office IT support 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 Nov 6, 2026 How this list was built

24,021Companies

157,850Contacts tracked

38,103Verified emails

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The 25 largest office IT support companies worldwide

Ranked by team size

Top 25 of 24,021 company matches for office IT support companies 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Pomeroy	Exact match	Hebron, KY, PalestineHQ recorded Nov 6, 2026	1,001-5,000	2,671 contacts →
	Exact match “Technology is mission-critical to your business so it must work, continuously.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Kantor	Exact match	Appingedam, NetherlandsHQ recorded Nov 6, 2026	n/a	1,461 contacts →
	Exact match “Bij Kantor Kantoor & Automatisering bent u aan het juiste adres voor zorgeloos computeren.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Ilha Service Tecnologia Ltda	Exact match	São José, BrazilHQ recorded Nov 6, 2026	1,001-5,000	1,025 contacts →
	Exact match “Atuante no mercado de Tecnologia desde o ano de 1991, com certificação ISO 9001 para prestação de serviços de TI e fabricação de computadores, a IlhaService é uma empresa…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	TPX	Exact match	Austin, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	805 contacts →
	Exact match “TPx is the reliable sidekick every growing business deserves, powering your tech while you take the lead.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Teamlogic IT	Exact match	United StatesHQ recorded Nov 6, 2026	1,001-5,000	694 contacts →
	Exact match “TeamLogic IT provides IT service, support, project consultation and account management for businesses.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Decisionone	Exact match	Havertown, PA, United StatesHQ recorded Nov 6, 2026	501-1,000	691 contacts →
	Exact match “DecisionOne is the largest global independent technology support organization in the TPM and ISO markets.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Excis Compliance	Exact match	London, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	651 contacts →
	Exact match “Excis is a trusted global IT services company, delivering agile, multilingual support across 150+ countries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	SES	Exact match	DenmarkHQ recorded Nov 6, 2026	n/a	642 contacts →
	Exact match “Spar op til 80 % på den daglige drift af jeres IT miljø Lej en ekstern IT konsulent til optimering af IT i din virksomhed IT konsulent på lejebasis.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	ESP Global Services	Exact match	Reading, United KingdomHQ recorded Nov 6, 2026	501-1,000	557 contacts →
	Exact match “ESP provides IT support services across the globe.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	DBS Group	Exact match	Grimsby, United KingdomHQ recorded Nov 6, 2026	n/a	486 contacts →
	Exact match “Rural Wi-Fi • Wide Area Wi-Fi • Holiday Park Wi-Fi • Farm Wi-Fi • Point-to-Point Wireless • Business Broadband • Starlink Distribution • Business VoIP • Cloud Phone Systems •…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Cmit Solutions	Exact match	Austin, OR, United StatesHQ recorded Nov 6, 2026	501-1,000	458 contacts →
	Exact match “CMIT Solutions is a premier IT solution company dedicated to delivering enterprise-class IT support to businesses across North America.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	ICORP	Exact match	Querétaro, MexicoHQ recorded Nov 6, 2026	501-1,000	457 contacts →
	Exact match “icorp was founded in 1986 to provide IT Services to large organizations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Geeksquad	Exact match	Dartmouth, CanadaHQ recorded Nov 6, 2026	501-1,000	424 contacts →
	Exact match “Offer any technology services, support and setups.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Tech Domain	Exact match	Sydney, AustraliaHQ recorded Nov 6, 2026	501-1,000	404 contacts →
	Exact match “Tech Domain is a global field services and technology solutions provider helping enterprises, managed service providers, telecommunications companies, and technology partners…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Essintial Enterprise Solutions	Exact match	Camp Hill, PA, United StatesHQ recorded Nov 6, 2026	501-1,000	399 contacts →
	Exact match “Essintial Enterprise Solutions is a full-service IT operations partner helping multi-unit businesses scale, support, and simplify their technology.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	MMC	Exact match	Karachi, PakistanHQ recorded Nov 6, 2026	201-500	397 contacts →
	Exact match “MMC was Launched in 1995 as a Customer Support Organization with the fundamental objective and vision of providing assistance and services for the growing businesses' technical…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Atlantic	Exact match	Moorestown, NJ, United StatesHQ recorded Nov 6, 2026	201-500	372 contacts →
	Exact match “Atlantic is an Office Technology and IT Solutions company providing horizontal niche market services to small and large corporations in the New York City metropolitan area, and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	PCS	Exact match	Moorestown, NJ, United StatesHQ recorded Nov 6, 2026	201-500	355 contacts →
	Exact match “Teamwork.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	PCM Enterprise Sarcom	Exact match	Lewis Center, NJ, United StatesHQ recorded Nov 6, 2026	1,001-5,000	345 contacts →
	Exact match “PCM is an industry-leading added value IT Solutions Provider that develops, delivers and supports world-class IT solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	IND Innovation Private Limited	Exact match	Delhi, IndiaHQ recorded Nov 6, 2026	1,001-5,000	327 contacts →
	Exact match “Ind Innovation is a global ICT solution, consulting and managed services company headquartered in New Delhi, India.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	A&o IT Group	Exact match	Bracknell, DE, United KingdomHQ recorded Nov 6, 2026	201-500	277 contacts →
	Exact match “A&O IT Group, a global leader in managed IT services, brings over 50 years of expertise and operates in over 130 countries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Crystal Service	Exact match	Санкт-петербург, RussiaHQ recorded Nov 6, 2026	201-500	271 contacts →
	Exact match “Software, Hardware and Supplies – Consulting, Supply, Service The Crystal Service company views supplying hardware to its customers not as a one-time deal, but as a result of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Arantes TI	Exact match	Sao Paulo, United StatesHQ recorded Nov 6, 2026	n/a	268 contacts →
	Exact match “Ela permite que você cresça a empresa para além de manutenção e suporte, incluindo Service Desk, infraestrutura, redes, cabeamento, projetos, consultoria e soluções corporativas.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Skypro Technologies	Exact match	IndiaHQ recorded Nov 6, 2026	201-500	268 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Ongc Systems	Exact match	Arundel, AustraliaHQ recorded Nov 6, 2026	n/a	252 contacts →
	Exact match “ONGC Systems provides businesses with comprehensive IT services, that automate and streamline operations, reduce risk and increase stability while lowering the cost of system…” Recorded in the RevenueBase company graph · Nov 6, 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 “office IT support companies”. 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 24,021 office IT support companies worldwide

See the full list, filter by size, metro and specialty, and access 38,103 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Office IT support companies worldwide at a glance

As of Nov 6, 2026

24.1%Verified-email coverage

6.6Average contacts per company

1-10Median size (employees)

1.8%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

17,181

11-50

5,224

51-200

849

201-500

173

501-1,000

1,001-5,000

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 office IT support companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “office IT support 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 38,103 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.

Office IT support companies by location

100 lists · largest first

Every Office IT support 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 “office IT support companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many office IT support companies are there worldwide?

RevenueBase identified 24,021 company matches for office IT support companies 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?

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

Which country has the most office IT support companies?

The United States leads with 6,525 companies, followed by the United Kingdom (2,440) and Brazil (1,261). Every office IT support companies list by country and city is linked on this page.

Which city has the most office IT support companies?

London leads with 429 company records, followed by Sao Paulo (248) and New York (150).

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 38,103 professional contacts with verified work emails tracked across these 24,021 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.