Company lists · Data refreshed September 2026

Top 25 Identity verification services based in the United Kingdom

RevenueBase identified 128 company matches for identity verification services associated with the United Kingdom as of September 2026 and tracks 4,526 professional contacts across them, including 2,091 with verified work emails. London is the largest hub.

This list covers company matches for identity verification services associated with the United Kingdom, 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.

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
128Companies
4,526Contacts tracked
2,091Verified emails
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The 25 largest identity verification services based in the United Kingdom

Ranked by team size
Top 25 of 128 company matches for identity verification services based in the United Kingdom, 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 matchLondon, United KingdomHQ recorded Sep 21, 2026201-500426 contacts →

Exact match

“Yoti helps businesses and people build trust with privacy-focused identity and age verification solutions.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Sep 21, 202651-200369 contacts →

Exact match

“Are you confident in your business’ compliance standards?”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Sep 21, 202651-200253 contacts →

Exact match

“Callsign is pioneering digital trust through proprietary technology that uniquely mimics the way humans identify each other in the real world.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Sep 21, 2026201-500240 contacts →

Exact match

“Shufti is a glocal identity verification and compliance platform that helps businesses manage the entire compliance lifecycle.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 21, 202651-200203 contacts →

Exact match

“iProov is the world leader in biometric face verification, helping organizations confirm that a real person is behind every digital identity.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchCity Of London, United KingdomHQ recorded Sep 21, 202651-200140 contacts →

Exact match

“Encompass enables fast, accurate identity validation and verification of corporate clients, and a gold standard approach to KYC.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchBedford, United KingdomHQ recorded Sep 21, 202651-200100 contacts →

Exact match

“At Verifile, we’re committed to helping ensure that every one of your employees is everything they claim to be.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Sep 21, 202651-20091 contacts →

Exact match

“Ondato is a Tech company streamlining KYC, Age Verification, and AML-related processes using cutting-edge AI solutions that cover the full spectrum of compliance challenges, from…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Sep 21, 202651-20080 contacts →

Exact match

“IDVerse®, part of LexisNexis® Risk Solutions is a cutting-edge document authentication and biometric verification solution that helps you confidently approve trusted transactions…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchEdinburgh, United KingdomHQ recorded Sep 21, 202651-20075 contacts →

Exact match

“Amiqus provide a staff and client onboarding compliance platform supporting organisations at scale across sectors make trusted decisions, delivered faster with greater accuracy.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Sep 21, 2026201-50065 contacts →

Exact match

“Mitek (NASDAQ: MITK) is a global leader in mobile capture and digital identity verification solutions built on the latest advancements in AI and machine learning.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchReading, United KingdomHQ recorded Sep 21, 202651-20049 contacts →

Exact match

“We’re TrustID, the UK’s market leader in Right to Work verification and a certified Digital Verification Service (DVS) provider.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchCardiff, United KingdomHQ recorded Sep 21, 202611-5048 contacts →

Exact match

“No matter the market or sector, Credas can streamline your onboarding process using our market-leading technology to revolutionise the way you manage compliance and due diligence.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Sep 21, 202651-20046 contacts →

Exact match

“IDWise is a Gartner Magic Quadrant–recognised, enterprise-grade identity verification and e-KYC platform purpose-built for high-risk, high-complexity emerging markets.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 21, 202651-20045 contacts →

Exact match

“EnQualify is redefining digital onboarding with state-of-the-art AI on mobile edge technology, delivering super-fast, accurate, and fully automated onboarding in just seconds.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchCardiff, United KingdomHQ recorded Sep 21, 202611-5044 contacts →

Exact match

“Advanced Secure Technologies merge a customer-focused mindset with extensive security knowledge to provide innovative and high-security solutions that protect organisations…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchBirmingham, United KingdomHQ recorded Sep 21, 202611-5039 contacts →

Exact match

“We are a UK-based provider of global background screening and vetting services.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Sep 21, 202611-5037 contacts →

Exact match

“Welcome to Checkboard, where we specialise in providing businesses with a bespoke client onboarding experience that provides relevant data and complies with AML regulations.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Sep 21, 202651-20036 contacts →

Exact match

“On December 31, 2025, Keyless was acquired by Ping Identity to help deliver stronger, privacy-preserving identity verification and authentication for the AI era.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Sep 21, 202611-5033 contacts →

Exact match

“Fraud.com ensures trust at every step of the customer's digital journey; this complete end-to-end protection delivers unified identity, authentication and fraud detection and…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchManchester, United KingdomHQ recorded Sep 21, 202611-5031 contacts →

Exact match

“OneID® simplifies and secures the digital journeys of individuals and businesses and helps them reach their goals faster.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Sep 21, 202611-5030 contacts →

Exact match

“Authologic bridges the gap between traditional KYC and the future of digital identity verification.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchFarnborough, United KingdomHQ recorded Sep 21, 202611-5024 contacts →

Exact match

“Managing ID passes, identity verification, access control and background checks across highly regulated environments is complex, time-consuming and high-risk.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchStockport, United KingdomHQ recorded Sep 21, 202611-5019 contacts →

Exact match

“We offer a range of services for businesses that need to check identity and age, including Test Purchasing, Age Check Assurance, ID Check Assurance, Age Appropriate Design…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchLondon, United KingdomHQ recorded Sep 21, 202611-5016 contacts →

Exact match

“In an era of deep fakes, Photoshop, and Generative AI, Photocert is dedicated to preserving the reliability of visual data.”

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

Showing 25 of 128 identity verification services based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 2,091 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Identity verification services based in the United Kingdom at a glance

As of Sep 21, 2026
46.2%Verified-email coverage
35.4Average contacts per company
11-50Median size (employees)
51.6%Largest-city concentration · London
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
56
11-50
50
51-200
15
201-500
4
501-1,000
2
1,001-5,000
1

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 128 companies.

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.
What qualifies
Company records associated with the United Kingdom whose business descriptions match “identity verification 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 2,091 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.

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 “identity verification services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many identity verification services are there based in the United Kingdom?

RevenueBase identified 128 company matches for identity verification services associated with the United Kingdom 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?

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

Which city has the most identity verification services?

London leads with 66 company records, followed by Cardiff (5) and Manchester (5).

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 2,091 professional contacts with verified work emails tracked across these 128 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.