Company lists · Data refreshed November 2026

Top 25 IT security staffing firms worldwide

RevenueBase identified 9,083 company matches for IT security staffing firms worldwide as of November 2026 and tracks 137,309 professional contacts across them, including 24,515 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for IT security staffing 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 November 5, 2026. Country and city lists for IT security staffing 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 Nov 5, 2026 How this list was built
9,083Companies
137,309Contacts tracked
24,515Verified emails
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The 25 largest IT security staffing firms worldwide

Ranked by team size
Top 25 of 9,083 company matches for IT security staffing firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 matchUnited StatesHQ recorded Nov 5, 2026n/a13,149 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchBoston, OH, United StatesHQ recorded Nov 5, 20261,001-5,0003,512 contacts →

Exact match

“Beacon Hill was founded to set a new standard in search, career placement and flexible staffing.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Nov 5, 2026501-1,0002,836 contacts →

Exact match

“Building tomorrow’s tech landscape together Computer Futures is a Technology specialist, part of SThree, the global STEM workforce consultancy.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchTurin, ItalyHQ recorded Nov 5, 2026501-1,0001,844 contacts →

Exact match

“L’Italia è piena di talenti: il nostro lavoro è riconoscerli!” Synergie Italia S.p.A.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchBangalore, IndiaHQ recorded Nov 5, 202610001+1,781 contacts →

Exact match

“We are the largest IT staff augmentation provider in India, with employees spread across 500+ skill sets.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchReston, VA, United StatesHQ recorded Nov 5, 20261,001-5,0001,346 contacts →

Exact match

“GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchBangalore, IndiaHQ recorded Nov 5, 202610001+1,205 contacts →

Exact match

“Quess IT Staffing is India’s largest IT staffing company with over 20 years of experience in placing IT professionals across 300+ companies, covering a wide range of levels and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchBrookfield, WI, United StatesHQ recorded Nov 5, 2026201-5001,116 contacts →

Exact match

“Founded in 1985, QPS Employment Group has grown from a two-person operation to one of the nation's leading staffing and recruiting firms, with more than 300 internal employees…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchOak Brook, United StatesHQ recorded Nov 5, 2026201-5001,108 contacts →

Exact match

“At 247Hire, our mission is simple: to empower yours.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchHouston, TX, United StatesHQ recorded Nov 5, 2026n/a848 contacts →

Exact match

“Primary Services provides job opportunities for Accounting/Financial, Information Technology, HR, Recruiting, Marketing, Procurement, Call Center and Administrative professionals.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchFort Lauderdale, FL, United StatesHQ recorded Nov 5, 20261,001-5,000812 contacts →

Exact match

“We’re stronger together.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchCity Hall, SingaporeHQ recorded Nov 5, 2026201-500740 contacts →

Exact match

“Zenith Infotech (S) Pte Ltd.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchStockholm, SwedenHQ recorded Nov 5, 20261,001-5,000656 contacts →

Exact match

“Att hitta rätt person till rätt plats – det är vår kärnkompetens.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchAlpharetta, United StatesHQ recorded Nov 5, 2026501-1,000625 contacts →

Exact match

“CodeForce 360 is a growing IT staffing company which thrives on a seasoned team of IT experts, a palpable international presence, and the ability to leverage the best of…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchGolden Valley, MN, United StatesHQ recorded Nov 5, 2026n/a622 contacts →

Exact match

“Information Technology takes talented people.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchNew York, NY, United StatesHQ recorded Nov 5, 2026201-500592 contacts →

Exact match

“Consultadd is a leading IT staffing and workforce solutions partner, helping U.S.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchVienna, VA, United StatesHQ recorded Nov 5, 20261,001-5,000588 contacts →

Exact match

“Tech evolves.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchNew York, CA, United StatesHQ recorded Nov 5, 202651-200517 contacts →

Exact match

“As the largest, national staffing agency specializing exclusively in high-end, niche IT, Tech, and Digital Marketing talent, staffing is more than just our job.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Nov 5, 2026501-1,000516 contacts →

Exact match

“SecurityHQ, a global cybersecurity company pioneering Security Performance Engineering for stronger operational performance and resilience.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchJacksonville, MA, United StatesHQ recorded Nov 5, 2026201-500502 contacts →

Exact match

“SNI Companies, a GEE Group Company (NYSE: JOB), is a premier provider of recruitment and staffing services specializing in IT, Accounting and Finance, Administrative, Legal…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchFarmington, ON, United StatesHQ recorded Nov 5, 2026201-500455 contacts →

Exact match

“Yochana IT Solutions | Founded in Michigan, 2009 Headquartered at Commerce Drive, Farmington Hills, MI 48335.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchOverland Park, KS, United StatesHQ recorded Nov 5, 202651-200402 contacts →

Exact match

“Simply put, MCG is a full service IT staffing firm…locally owned and operated with offices in Overland Park, KS and Dallas, TX.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchGurgaon, IndiaHQ recorded Nov 5, 2026201-500385 contacts →

Exact match

“eSec Forte® Technologies is a CMMi Level 3 certified Global Consulting and IT Security Services company with offerings across Cloud Security, Cyber Forensics, Malware Detection…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchSunrise, FL, United StatesHQ recorded Nov 5, 2026201-500377 contacts →

Exact match

“Since 1983, StevenDouglas has established itself as a recognized leader in providing access to top talent, driven by highly tenured and experienced professionals committed to…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchAtlanta, GA, United StatesHQ recorded Nov 5, 2026501-1,000377 contacts →

Exact match

“CHASE Staffing was founded in Atlanta, GA in 1979 and has grown to be one of the largest privately owned Atlanta-based staffing firms and continues to be a top 25 employment…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 9,083 IT security staffing firms worldwide

See the full list, filter by size, metro and specialty, and access 24,515 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT security staffing firms worldwide at a glance

As of Nov 5, 2026
17.9%Verified-email coverage
15.1Average contacts per company
1-10Median size (employees)
2.1%Largest-city concentration · London
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
4,542
11-50
3,018
51-200
1,118
201-500
252
501-1,000
71
1,001-5,000
42
5,001-10,000
6
10001+
8

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 security staffing firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “IT security staffing 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 24,515 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 5, 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 security staffing firms by location

73 lists · largest first

Every IT security staffing 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 security staffing firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT security staffing firms are there worldwide?

RevenueBase identified 9,083 company matches for IT security staffing firms 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?

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

Which country has the most IT security staffing firms?

The United States leads with 3,694 companies, followed by India (808) and the United Kingdom (506). Every IT security staffing firms list by country and city is linked on this page.

Which city has the most IT security staffing firms?

London leads with 194 company records, followed by New York (146) and Hyderabad (106).

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 24,515 professional contacts with verified work emails tracked across these 9,083 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 5, 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.