Company lists · Data refreshed November 2026

Top 25 Security screening services worldwide

RevenueBase identified 1,974 company matches for security screening services worldwide as of November 2026 and tracks 66,292 professional contacts across them, including 18,308 with verified work emails. The United States is the largest market and Bangalore the largest hub.

This list covers company matches for security screening services 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 security screening services 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
1,974Companies
66,292Contacts tracked
18,308Verified emails
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The 25 largest security screening services worldwide

Ranked by team size
Top 25 of 1,974 company matches for security screening services 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 matchAtlanta, GA, United StatesHQ recorded Nov 5, 20265,001-10,0005,547 contacts →

Exact match

“Our Brand Promise Know your people™ In a world shaped by digital transformation, AI, remote work, regulatory complexity, and rising risk, identity is no longer static.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchIndependence, OH, United StatesHQ recorded Nov 5, 20265,001-10,0003,312 contacts →

Exact match

“Sterling was acquired by First Advantage on October 31st, 2024.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchNashville, TN, United StatesHQ recorded Nov 5, 20261,001-5,0003,153 contacts →

Exact match

“HireRight delivers global background checks, drug testing, and employment verification services through an innovative platform.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchIrvine, CA, United StatesHQ recorded Nov 5, 20261,001-5,0001,723 contacts →

Exact match

“In a category of inflexible giants and ill-equipped startups, Accurate Background stands alone.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchIrvine, CA, United StatesHQ recorded Nov 5, 20261,001-5,0001,579 contacts →

Exact match

“GIS | HireRight was established in 1966 and is one of the nation's oldest and largest background screening providers.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchNew York, NY, United StatesHQ recorded Nov 5, 202610001+1,562 contacts →

Exact match

“Guardsmark, LLC provides security services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchDubai, United Arab EmiratesHQ recorded Nov 5, 2026501-1,0001,518 contacts →

Exact match

“DataFlow Group is a pioneering global provider of specialized Primary Source Verification (PSV) solutions, and background screening and immigration compliance services that assist…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchGurgaon, IndiaHQ recorded Nov 5, 2026501-1,0001,423 contacts →

Exact match

“AuthBridge is India’s largest Authentication company, delivering cutting-edge technology and alternate data analysis for Identity Management, Onboarding & Verification, and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchTorrance, United StatesHQ recorded Nov 5, 20261,001-5,0001,420 contacts →

Exact match

“When your operation must be economical, compliant and, above all, effective, you need a proven partner that is driven by innovation and backed-by a global support network.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchOttawa, ON, CanadaHQ recorded Nov 5, 2026201-5001,056 contacts →

Exact match

“The Canadian Air Transport Security Authority (CATSA) is a Crown corporation responsible for securing specific elements of the air transportation system assigned by the Government…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchSchiphol Oost, United StatesHQ recorded Nov 5, 20265,001-10,0001,002 contacts →

Exact match

“I-SEC specializes in the provision of advanced aviation security services worldwide.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchMumbai, IndiaHQ recorded Nov 5, 2026501-1,000934 contacts →

Exact match

“IDfy is building the foundational layer of trust for the modern world, providing the essential infrastructure that global businesses, from digital banks to e-commerce giants, rely…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchHouston, TX, United StatesHQ recorded Nov 5, 20261,001-5,000910 contacts →

Exact match

“DISA has been providing full-service employee screening solutions since 1987.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchOslo, NorwayHQ recorded Nov 5, 20265,001-10,000859 contacts →

Exact match

“Securitas AS er det største og eldste sikkerhetsselskapet i Norge.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchEaston, MD, United StatesHQ recorded Nov 5, 20261,001-5,000788 contacts →

Exact match

“Cisive is a trusted partner for comprehensive, high-risk compliance-driven background screening and workforce monitoring solutions, specializing in highly regulated…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchOttawa, ON, CanadaHQ recorded Nov 5, 20261,001-5,000753 contacts →

Exact match

“Commissionaires manages the largest digital fingerprinting infrastructure in Canada, all while growing the diversity of physical, electronic and cyber security employment…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchLos Angeles, CA, United StatesHQ recorded Nov 5, 20261,001-5,000697 contacts →

Exact match

“Professional Security Consultants, Inc.(PSC) is a world-class provider of security guard services, patrol, investigations, backgrounds, consulting, security screening & specialty…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchHerndon, VA, United StatesHQ recorded Nov 5, 20261,001-5,000696 contacts →

Exact match

“OMNIPLEX World Services Corporation is a leader and innovator in delivering professional background investigations, intelligence support, and physical security services to…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchBolingbrook, IL, United StatesHQ recorded Nov 5, 20261,001-5,000687 contacts →

Exact match

“Covenant Aviation Security, LLC (CAS) is an industry leader in providing transportation security services to airport authorities, airlines, and the federal government.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchLagos, NigeriaHQ recorded Nov 5, 2026501-1,000677 contacts →

Exact match

“Halogen Group formerly known as Halogen Security Company Limited is the leading Security Solutions Provider in West Africa.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchCincinnati, United StatesHQ recorded Nov 5, 2026201-500677 contacts →

Exact match

“cFIRST is a digital global background screening service provider headquartered in Cincinnati, Ohio.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchGrand Rapids, MI, United StatesHQ recorded Nov 5, 20261,001-5,000592 contacts →

Exact match

“DK Security is unique in that it offers a single company for a wide ranging availability of security and investigative services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchUnited StatesHQ recorded Nov 5, 20261,001-5,000545 contacts →

Exact match

“Paladin Airport Security's goal is to provide effective and efficient screening services to ensure the safety and security of air travellers in Canada.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchBangalore, IndiaHQ recorded Nov 5, 2026501-1,000516 contacts →

Exact match

“Empowering Confident Hiring Decisions for 15+ Years Verifacts is India’s trusted background verification partner-delivering accurate, customizable checks across employees…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchKennesaw, VA, United StatesHQ recorded Nov 5, 20261,001-5,000477 contacts →

Exact match

“We connect businesses to verifiable people data so they can reduce risk, move faster, and make confident decisions with clarity and context.”

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

Showing 25 of 1,974 security screening services worldwide

See the full list, filter by size, metro and specialty, and access 18,308 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Security screening services worldwide at a glance

As of Nov 5, 2026
27.6%Verified-email coverage
33.6Average contacts per company
11-50Median size (employees)
1.8%Largest-city concentration · Bangalore
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
724
11-50
702
51-200
338
201-500
112
501-1,000
30
1,001-5,000
43
5,001-10,000
7
10001+
11

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 security screening services are linked below.
What qualifies
Company records worldwide whose business descriptions match “security screening services” 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 18,308 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.

Security screening services by location

7 lists · largest first

Every Security screening services 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 “security screening services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many security screening services are there worldwide?

RevenueBase identified 1,974 company matches for security screening services 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?

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

Which country has the most security screening services?

The United States leads with 854 companies, followed by India (203) and the United Kingdom (105). Every security screening services list by country and city is linked on this page.

Which city has the most security screening services?

Bangalore leads with 35 company records, followed by London (22) and New York (21).

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 18,308 professional contacts with verified work emails tracked across these 1,974 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.