Company lists · Data refreshed November 2026

Top 25 Authentication and verification companies worldwide

RevenueBase identified 1,856 company matches for authentication and verification companies worldwide as of November 2026 and tracks 69,630 professional contacts across them, including 26,593 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for authentication and verification 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 authentication and verification 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
1,856Companies
69,630Contacts tracked
26,593Verified emails
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The 25 largest authentication and verification companies worldwide

Ranked by team size
Top 25 of 1,856 company matches for authentication and verification 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchAtlanta, GA, United StatesHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
2Exact matchAustin, BC, United StatesHQ recorded Nov 6, 20261,001-5,0003,474 contacts →

Exact match

“HID powers the trusted identities of the world's people, places and things.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchIndependence, OH, United StatesHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
4Exact matchMinneapolis, United StatesHQ recorded Nov 6, 20261,001-5,0003,163 contacts →

Exact match

“Entrust fights fraud and cyber threats with identity-centric security that protects people, devices, and data.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchNew York, DC, United StatesHQ recorded Nov 6, 20261,001-5,0002,318 contacts →

Exact match

“CLEAR is the security identity company making experiences safer and easier-physically and digitally.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchDubai, United Arab EmiratesHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
7Exact matchGurgaon, IndiaHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
8Exact matchChester, GA, TürkiyeHQ recorded Nov 6, 20261,001-5,0001,278 contacts →

Exact match

“GBG is the leading expert in global identity and location tech, enabling safe and rewarding digital lives for genuine people, everywhere.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchLimassol, CyprusHQ recorded Nov 6, 2026501-1,0001,080 contacts →

Exact match

“Sumsub is the first AI-powered trust infrastructure for compliance operations at scale.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchMclean, VA, United StatesHQ recorded Nov 6, 20261,001-5,0001,007 contacts →

Exact match

“ID.me is the next-generation digital identity wallet that simplifies how individuals securely prove their identity online.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSan Diego, United StatesHQ recorded Nov 6, 2026501-1,000961 contacts →

Exact match

“Mitek protects what’s real across digital interactions in a world of evolving threats.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMumbai, IndiaHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
13Exact matchMunich, GermanyHQ recorded Nov 6, 2026501-1,000739 contacts →

Exact match

“Identity Excellence Delivered.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSao Paulo, BrazilHQ recorded Nov 6, 2026501-1,000738 contacts →

Exact match

“Unico is a global identity network that forges trust between people & companies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSan Francisco, United StatesHQ recorded Nov 6, 2026501-1,000685 contacts →

Exact match

“Incode is a global leader in AI-driven identity and trust, on a mission to power a world of trust.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchCincinnati, United StatesHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
17Exact matchSunnyvale, CA, United StatesHQ recorded Nov 6, 2026201-500662 contacts →

Exact match

“Jumio helps organizations to know and trust their customers online.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchSan Francisco, NY, United StatesHQ recorded Nov 6, 2026501-1,000658 contacts →

Exact match

“Persona helps businesses manage KYC/AML/KYB programs, fight fraud, and build trust by automating any identity-related use case with our flexible identity infrastructure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchIncline Village, NV, United StatesHQ recorded Nov 6, 2026501-1,000641 contacts →

Exact match

“Socure is the leading platform for digital identity verification, compliance and fraud prevention solutions, trusted by the largest enterprises and government agencies to build…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchMarina Del Rey, CA, United StatesHQ recorded Nov 6, 2026501-1,000568 contacts →

Exact match

“Telesign, a part of the Proximus Group, provides Continuous Trust™ to leading global enterprises by connecting, protecting, and defending their digital identities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchNY, United StatesHQ recorded Nov 6, 2026201-500545 contacts →

Exact match

“Veriff is the preferred identity verification partner for the world’s biggest and best digital companies, including pioneers in fintech, crypto, gaming and the mobility sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchGoiânia, BrazilHQ recorded Nov 6, 2026501-1,000520 contacts →

Exact match

“Somos a Soluti, uma das principais provedoras globais de soluções em identidade digital, com um portfólio diversificado e tecnologias de ponta.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchBangalore, IndiaHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
24Exact matchBelo Horizonte, BrazilHQ recorded Nov 6, 2026201-500504 contacts →

Exact match

“A Who transforma dados, tecnologia e inteligência humana em decisões mais seguras para bancos, fintechs e instituições financeiras.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchKennesaw, VA, United StatesHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase

Showing 25 of 1,856 authentication and verification companies worldwide

See the full list, filter by size, metro and specialty, and access 26,593 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Authentication and verification companies worldwide at a glance

As of Nov 6, 2026
38.2%Verified-email coverage
37.5Average contacts per company
11-50Median size (employees)
4.6%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
800
11-50
670
51-200
242
201-500
80
501-1,000
32
1,001-5,000
20
5,001-10,000
2
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 authentication and verification companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “authentication and verification 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 26,593 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.

Authentication and verification companies by location

14 lists · largest first

Every Authentication and verification 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 “authentication and verification companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many authentication and verification companies are there worldwide?

RevenueBase identified 1,856 company matches for authentication and verification 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?

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

Which country has the most authentication and verification companies?

The United States leads with 469 companies, followed by India (192) and the United Kingdom (150). Every authentication and verification companies list by country and city is linked on this page.

Which city has the most authentication and verification companies?

London leads with 85 company records, followed by Bangalore (33) and New York (30).

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 26,593 professional contacts with verified work emails tracked across these 1,856 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.