Company lists · Data refreshed September 2026

Top 25 Cybersecurity government staffing companies worldwide

RevenueBase identified 14,650 company matches for cybersecurity government staffing companies worldwide as of September 2026 and tracks 293,888 professional contacts across them, including 89,909 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for cybersecurity government staffing 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 28, 2026. Country and city lists for cybersecurity government staffing 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 28, 2026 How this list was built
14,650Companies
293,888Contacts tracked
89,909Verified emails
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The 25 largest cybersecurity government staffing companies worldwide

Ranked by team size
Top 25 of 14,650 company matches for cybersecurity government staffing companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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 matchSanta Clara, CA, United StatesHQ recorded Sep 28, 202610001+18,431 contacts →

Exact match

“Palo Alto Networks, the global cybersecurity leader, is shaping the cloud-centric future with technology that is transforming the way people and organizations operate.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchSunnyvale, CA, United StatesHQ recorded Sep 28, 202610001+14,289 contacts →

Exact match

“Fortinet makes possible a digital world that we can always trust through its mission to protect people, devices, and data everywhere.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchUnited StatesHQ recorded Sep 28, 2026n/a12,771 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchHerndon, VA, United StatesHQ recorded Sep 28, 20265,001-10,0009,697 contacts →

Exact match

“MANTECH is more than a technology company.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchNanterre, FranceHQ recorded Sep 28, 20261,001-5,0003,673 contacts →

Exact match

“Orange Cyberdefense is the expert cybersecurity business unit of the Orange Group.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchSan Francisco, CA, United StatesHQ recorded Sep 28, 2026n/a3,649 contacts →

Exact match

“We are a crowdsourced security company that safeguards organizations' assets from sophisticated threat actors before they can strike-by uniting our customers with trusted hackers…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchCanberra, United KingdomHQ recorded Sep 28, 20261,001-5,0002,947 contacts →

Exact match

“Digital Intelligence is home to over 4,500 digital, cyber and intelligence experts across 13 countries.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchLeawood, KS, United StatesHQ recorded Sep 28, 20261,001-5,0002,222 contacts →

Exact match

“Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchBucuresti, RomaniaHQ recorded Sep 28, 20261,001-5,0002,172 contacts →

Exact match

“Bitdefender is a cybersecurity leader delivering best-in-class threat prevention, detection, and response solutions worldwide.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchHerndon, VA, United StatesHQ recorded Sep 28, 202610001+1,949 contacts →

Exact match

“Paragon Systems employs over 10,500 professionals in specialized operations providing security, fire, investigations, inspections, cybersecurity, risk management, and mission…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchAnchorage, AK, United StatesHQ recorded Sep 28, 20265,001-10,0001,853 contacts →

Exact match

“As the most successful Alaska Native village corporation, Chenega figures prominently in the diverse government services contracting marketplace supporting defense, intelligence…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchMumbai, IndiaHQ recorded Sep 28, 20261,001-5,0001,773 contacts →

Exact match

“Inspira Enterprise is a global Cybersecurity & Data Analytics & AI services provider with a presence in North America, ASEAN, Middle East, India, and Africa regions.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchMclean, VA, United StatesHQ recorded Sep 28, 20261,001-5,0001,683 contacts →

Exact match

“DMI is a leading provider of digital services and technology solutions with a focus on end-to-end managed services, including managed mobility, cloud, cybersecurity, network…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchPune, IndiaHQ recorded Sep 28, 20261,001-5,0001,510 contacts →

Exact match

“Quick Heal Technologies Limited is one of the leading providers of IT Security and Data Protection Solutions with a strong footprint in India and an evolving global presence.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchFalls Church, VA, United StatesHQ recorded Sep 28, 202610001+1,495 contacts →

Exact match

“General Dynamics Information Technology and CSRA have united to create the premier provider of high-tech IT solutions to the government IT market.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchCincinnati, OH, United StatesHQ recorded Sep 28, 2026n/a1,440 contacts →

Exact match

“Government Acquisitions, LLC (GAI) stands at the forefront of a transformative era, where artificial intelligence is reshaping our world and the stakes have never been higher.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchAl Nakheel, Saudi ArabiaHQ recorded Sep 28, 2026501-1,0001,378 contacts →

Exact match

“We are established for enriching local content in designing, developing, and operating secure digital computing environments through Saudi talents, by fulfilling our role as a…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchShenzhen, ChinaHQ recorded Sep 28, 20265,001-10,0001,297 contacts →

Exact match

“Sangfor Technologies is a global leader in cybersecurity, cloud computing, and IT infrastructure, providing fully integrated and AI-driven solutions.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchAustin, TX, United StatesHQ recorded Sep 28, 20261,001-5,0001,252 contacts →

Exact match

“Thales is a global leader in cybersecurity, helping the most trusted organizations in the world protect their most critical applications, data, and identities anywhere at scale.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchReston, VA, United StatesHQ recorded Sep 28, 20261,001-5,0001,232 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 · Sep 28, 2026 · View company records in RevenueBase
21Exact matchAbu Dhabi, United Arab EmiratesHQ recorded Sep 28, 2026501-1,0001,159 contacts →

Exact match

“Founded in Abu Dhabi in 2015, Tahaluf has quickly established itself as one of the nation's top cybersecurity and IT companies and the leading government solutions provider for…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchCiudad De Mexico, MexicoHQ recorded Sep 28, 20261,001-5,0001,041 contacts →

Exact match

“A lo largo de 30 años, hemos incursionado y evolucionado en distintas áreas atendiendo en el continente americano a clientes privados, corporativos y sector gobierno.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchHoofddorp, NetherlandsHQ recorded Sep 28, 20261,001-5,0001,026 contacts →

Exact match

“Irdeto, a CANAL+ company, is the world leader in digital platform cybersecurity, empowering businesses to innovate for a secure, connected future.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchTrevose, PA, United StatesHQ recorded Sep 28, 2026201-500979 contacts →

Exact match

“PPC is now part of DSA”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchBowie, MD, United StatesHQ recorded Sep 28, 2026501-1,000941 contacts →

Exact match

“Established in 1980, MIL provides innovative cyber, engineering, financial, and information technology services to the federal government.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 14,650 cybersecurity government staffing companies worldwide

See the full list, filter by size, metro and specialty, and access 89,909 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cybersecurity government staffing companies worldwide at a glance

As of Sep 28, 2026
30.6%Verified-email coverage
20.1Average contacts per company
1-10Median size (employees)
2.3%Largest-city concentration · London
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
7,822
11-50
4,807
51-200
1,435
201-500
327
501-1,000
108
1,001-5,000
98
5,001-10,000
19
10001+
21

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 cybersecurity government staffing companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “cybersecurity government staffing 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 89,909 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 28, 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.

Cybersecurity government staffing companies by location

117 lists · largest first

Every Cybersecurity government staffing 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 “cybersecurity government staffing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cybersecurity government staffing companies are there worldwide?

RevenueBase identified 14,650 company matches for cybersecurity government staffing 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?

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

Which country has the most cybersecurity government staffing companies?

The United States leads with 4,463 companies, followed by India (1,168) and the United Kingdom (860). Every cybersecurity government staffing companies list by country and city is linked on this page.

Which city has the most cybersecurity government staffing companies?

London leads with 335 company records, followed by Paris (147) and Dubai (142).

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 89,909 professional contacts with verified work emails tracked across these 14,650 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 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 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.