Company lists · Data refreshed September 2026

Top 25 Outsourced IT support companies worldwide

RevenueBase identified 4,358 company matches for outsourced IT support companies worldwide as of September 2026 and tracks 34,832 professional contacts across them, including 7,764 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for outsourced 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 September 21, 2026. Country and city lists for outsourced 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 Sep 21, 2026 How this list was built
4,358Companies
34,832Contacts tracked
7,764Verified emails
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The 25 largest outsourced IT support companies worldwide

Ranked by team size
Top 25 of 4,358 company matches for outsourced IT support companies 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchCharlottetown, CanadaHQ recorded Sep 21, 2026501-1,000633 contacts →

Exact match

“With nearly 30 years in service, we've mastered the dynamic between cost-efficiency and customer service, meaning you won't have to sacrifice one for the other.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchDenmarkHQ recorded Sep 21, 2026n/a618 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 · Sep 21, 2026 · View company records in RevenueBase
3Exact matchSan Marcos, TX, United StatesHQ recorded Sep 21, 20261,001-5,000562 contacts →

Exact match

“teleNetwork is a leading provider of outsourced customer service, technical support, and sales enablement solutions for technology products and services.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchReading, United KingdomHQ recorded Sep 21, 2026501-1,000510 contacts →

Exact match

“ESP provides IT support services across the globe.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchSydney, AustraliaHQ recorded Sep 21, 2026501-1,000409 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 · Sep 21, 2026 · View company records in RevenueBase
6Exact matchNuremberg, GermanyHQ recorded Sep 21, 20265,001-10,000359 contacts →

Exact match

“The SELLBYTEL Group is one of the worldwide leading outsourcing specialists and part of Webhelp.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchSydney, AustraliaHQ recorded Sep 21, 2026501-1,000349 contacts →

Exact match

“hammerjack is an Australian and Philippine-owned offshore outsourcing and Knowledge Process Outsourcing (KPO) provider.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchRiga, LatviaHQ recorded Sep 21, 2026n/a349 contacts →

Exact match

“SPX is IT outsourcing company ir Riga, Latvia.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchBoise, ID, United StatesHQ recorded Sep 21, 20261,001-5,000284 contacts →

Exact match

“World Connection helps founder-led, private equity-backed, and growth-stage small to mid-market companies transform customer experience into measurable business outcomes.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchQuezon City, PhilippinesHQ recorded Sep 21, 2026201-500281 contacts →

Exact match

“ABOUT US Systemantech Inc.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchIndiaHQ recorded Sep 21, 2026201-500251 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchMakati City, PhilippinesHQ recorded Sep 21, 2026501-1,000197 contacts →

Exact match

“SuperStaff is a comprehensive outsourcing solutions provider dedicated to delocalizing your workforce, reimagining your systems and model, and putting cost savings to work to grow…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchWheelers Hill, AustraliaHQ recorded Sep 21, 202651-200196 contacts →

Exact match

“Looking for a reliable outsourcing partner that can help your business grow?”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchChappell Hill, TX, United StatesHQ recorded Sep 21, 2026201-500195 contacts →

Exact match

“Tech Americas is a global technology process outsourcing company, managed IT and 24/7 field service provider.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchBrandon, FL, United StatesHQ recorded Sep 21, 2026201-500188 contacts →

Exact match

“Imagine a world where Managed Service Providers and SaaS businesses deliver outstanding customer experience around the clock, regardless of ticket volume or technical complexity.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchLake Hiawatha, NJ, United StatesHQ recorded Sep 21, 2026201-500187 contacts →

Exact match

“We are a leading global outsourcing services company with highly skilled professionals working for our clients and partners.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchOrem, UT, United StatesHQ recorded Sep 21, 202651-200161 contacts →

Exact match

“Whether you need outsourced support for your ISP or for your business, after hours support, BPO services or just a virtual assistant to help you answer phones and get through the…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchBangalore, IndiaHQ recorded Sep 21, 2026201-500161 contacts →

Exact match

“Trupp Global Technologies is a global Business Process Outsourcing (BPO) and IT services company supporting startups, SMEs, and enterprises.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchSao Paulo, BrazilHQ recorded Sep 21, 2026201-500151 contacts →

Exact match

“A BELLCOMSYS é uma empresa especializada em Tecnologia de Informação e suporte corporativo com 15 anos de experiência.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchSaint John, NB, CanadaHQ recorded Sep 21, 2026201-500137 contacts →

Exact match

“Operating for 20+ years, Innovatia Technical Services Inc.(ITSI) is a technology outsourcing support partner, assisting clients with workflow & knowledge processes and technical…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchIndianapolis, IN, United StatesHQ recorded Sep 21, 202651-200137 contacts →

Exact match

“Netfor provides AI-powered customer support and IT services for multi-location businesses across North America.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchShreveport, LA, United StatesHQ recorded Sep 21, 2026201-500128 contacts →

Exact match

“The Purple Guys, an Ntiva company, offers Trouble-Free IT Support to businesses across the Central and Southern US.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchBangalore, IndiaHQ recorded Sep 21, 202651-200120 contacts →

Exact match

“Proziod Analytics is an experienced team of programmers, analysts, and IT experts.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchRho, ItalyHQ recorded Sep 21, 202651-200113 contacts →

Exact match

“Since 2012, we have been helping our clients in Business Development and achieving their goals in a market undergoing deep contraction and change.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchNoida, IndiaHQ recorded Sep 21, 2026201-500112 contacts →

Exact match

“TERiX is a comprehensive global IT solution provider that focuses on quality & value in the data center.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 4,358 outsourced IT support companies worldwide

See the full list, filter by size, metro and specialty, and access 7,764 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Outsourced IT support companies worldwide at a glance

As of Sep 21, 2026
22.3%Verified-email coverage
8.0Average contacts per company
1-10Median size (employees)
3.1%Largest-city concentration · London
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
2,701
11-50
1,204
51-200
319
201-500
73
501-1,000
23
1,001-5,000
12
5,001-10,000
5
10001+
1

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 outsourced IT support companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “outsourced 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 7,764 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.

Outsourced IT support companies by location

14 lists · largest first

Every Outsourced IT support companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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

How many outsourced IT support companies are there worldwide?

RevenueBase identified 4,358 company matches for outsourced IT support companies 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?

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

Which country has the most outsourced IT support companies?

The United States leads with 1,047 companies, followed by the United Kingdom (636) and Brazil (202). Every outsourced IT support companies list by country and city is linked on this page.

Which city has the most outsourced IT support companies?

London leads with 134 company records, followed by Sao Paulo (46) and New York (39).

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 7,764 professional contacts with verified work emails tracked across these 4,358 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.