Company lists · Data refreshed September 2026
Top 24 User authentication platform developers based in the United Kingdom
RevenueBase identified 62 company matches for user authentication platform developers associated with the United Kingdom as of September 2026 and tracks 1,378 professional contacts across them, including 744 with verified work emails. London is the largest hub.
This list covers company matches for user authentication platform developers 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 29, 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.
The 24 largest user authentication platform developers based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 253 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 29, 2026 · View company records in RevenueBase | |||||
| 2 | 203 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 29, 2026 · View company records in RevenueBase | |||||
| 3 | 190 contacts → | ||||
Exact match “Intragen is a cyber security business focused on managed Identity solutions and services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 111 contacts → | ||||
Exact match “ProofID is your trusted identity security partner – delivering frictionless, secure digital experiences for organisations with complex needs.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 5 | 97 contacts → | ||||
Exact match “Intercede® is a cybersecurity company specialising in identity, credential management and secure mobility to enable digital trust.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 36 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 29, 2026 · View company records in RevenueBase | |||||
| 7 | 33 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 29, 2026 · View company records in RevenueBase | |||||
| 8 | 24 contacts → | ||||
Exact match “Idenprotect is a leading cybersecurity company specialising in a range of phishing-resistant and passwordless authentication and secure browsing solutions.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 22 contacts → | ||||
Exact match “Major global enterprises and educational institutions across the globe trust Swivel Secure's Authentication Platform to help their employees, contractors and students work more…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 21 contacts → | ||||
Exact match “Redefining Identity Management” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 19 contacts → | ||||
Exact match “We believe in removing barriers to knowledge.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 16 contacts → | ||||
Exact match “Regulatory requirements are so often an essential part of onboarding.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 15 contacts → | ||||
Exact match “In Today's digital world, knowing you're engaging with a real person is a challenge filled with risk.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 10 contacts → | ||||
Exact match “Built on over 30 years of Army experience, safety is at the core of what we do.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 10 contacts → | ||||
Exact match “Self is a research and product company building an identity layer for the internet.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 9 contacts → | ||||
Exact match “Founded in 2007, My1Login is a leader in Identity Management, protecting enterprises against cybersecurity threats through its Identity & Access Management (IAM) solution.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 17 | 6 contacts → | ||||
Exact match “At Xertilox, we're redefining the future of digital identity.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 18 | 5 contacts → | ||||
Exact match “Our technology has been used for years by major institutions throughout the globe and is designed to get you started immediately, increasing the security of your business without…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 19 | 5 contacts → | ||||
Exact match “Authgear enables organizations to provide users with secure access to any applications.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 4 contacts → | ||||
Exact match “We provide identity solutions based upon our Digital Identity Platform Luciditi.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 21 | 4 contacts → | ||||
Exact match “ID Crypt Global (IDC) is a digital identity and security specialist, following a Self-Sovereign Identity (SSI) model for its services to both businesses and individuals.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 4 contacts → | ||||
Exact match “Keeping you cyber safe, our easy to use platform is easy to use.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 4 contacts → | ||||
Exact match “WINNER - Public Sector Cloud Project of 2016, Cloud Hosting Awards.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 24 | 3 contacts → | ||||
Exact match “CyberSafe is the original commercial provider of Kerberos-based security solutions, with over 20 years' experience, and focused on providing innovative security solutions for SAP…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “user authentication platform developers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 24 of 62 user authentication platform developers based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 744 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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User authentication platform developers based in the United Kingdom at a glance
As of Sep 29, 2026Companies by employee count
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 62 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 “user authentication platform developers” 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 744 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 29, 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.
User authentication platform developers by metro
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 “user authentication platform developers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many user authentication platform developers are there based in the United Kingdom?
RevenueBase identified 62 company matches for user authentication platform developers 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?
Callsign tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most user authentication platform developers?
London leads with 34 company records, followed by Manchester (4) and Bristol (2).
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 744 professional contacts with verified work emails tracked across these 62 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 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 62 user authentication platform developers based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
User authentication platform developers by geography
- User authentication platform developers based in London, United Kingdom
- User authentication platform developers based in New York, United States
- User authentication platform developers based in Australia
- User authentication platform developers based in Canada
- User authentication platform developers based in France
- User authentication platform developers based in Germany
- User authentication platform developers based in India
- User authentication platform developers based in the Netherlands
- User authentication platform developers based in the United States
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.
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- User authentication platform developers based in London, United Kingdom
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- User authentication platform developers based in Australia
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- User authentication platform developers based in France
- User authentication platform developers based in Germany
Company intelligence · public preview
Top 24 user authentication platform developers based in the United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 62 matching company records for user authentication platform developers based in the United Kingdom, with 1,378 tracked contacts and 744 verified work emails.
This public preview shows 24 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 29, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 24 user authentication platform developers based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Callsigncallsign.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 253 contacts → |
“Callsign is pioneering digital trust through proprietary technology that uniquely mimics the way humans identify each other in the real world.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Iprooviproov.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 203 contacts → |
“iProov is the world leader in biometric face verification, helping organizations confirm that a real person is behind every digital identity.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Intragenintragen.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 190 contacts → |
“Intragen is a cyber security business focused on managed Identity solutions and services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Proofidproofid.comHQ: Manchester, United KingdomReported employees: 51-200 | Manchester, United Kingdom | 51-200 | Exact match | 111 contacts → |
“ProofID is your trusted identity security partner – delivering frictionless, secure digital experiences for organisations with complex needs.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Intercedeintercede.comHQ: Lutterworth, United KingdomReported employees: 51-200 | Lutterworth, United Kingdom | 51-200 | Exact match | 97 contacts → |
“Intercede® is a cybersecurity company specialising in identity, credential management and secure mobility to enable digital trust.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Keyless Part Of Ping Identitykeyless.ioHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 36 contacts → |
“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 description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  fraud.comfraud.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 33 contacts → |
“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 description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Idenprotectidenprotect.comHQ: Guildford, United KingdomReported employees: 11-50 | Guildford, United Kingdom | 11-50 | Exact match | 24 contacts → |
“Idenprotect is a leading cybersecurity company specialising in a range of phishing-resistant and passwordless authentication and secure browsing solutions.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Swivel Secureswivelsecure.comHQ: Leeds, United KingdomReported employees: 51-200 | Leeds, United Kingdom | 51-200 | Exact match | 22 contacts → |
“Major global enterprises and educational institutions across the globe trust Swivel Secure's Authentication Platform to help their employees, contractors and students work more…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Pureidpureid.ioHQ: Royston, United KingdomReported employees: 11-50 | Royston, United Kingdom | 11-50 | Exact match | 21 contacts → |
“Redefining Identity Management” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Openathensopenathens.netHQ: City Of Bristol, United KingdomReported employees: 51-200 | City Of Bristol, United Kingdom | 51-200 | Exact match | 19 contacts → |
“We believe in removing barriers to knowledge.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  XYDUSxydus.digitalHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 16 contacts → |
“Regulatory requirements are so often an essential part of onboarding.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  folio.idfolio.idHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 15 contacts → |
“In Today's digital world, knowing you're engaging with a real person is a challenge filled with risk.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Blindspot Global Sᴇqᴜrblindspotglobal.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 10 contacts → |
“Built on over 30 years of Army experience, safety is at the core of what we do.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Self Groupselfgroup.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 10 contacts → |
“Self is a research and product company building an identity layer for the internet.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  My1loginmy1login.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 9 contacts → |
“Founded in 2007, My1Login is a leader in Identity Management, protecting enterprises against cybersecurity threats through its Identity & Access Management (IAM) solution.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Xertiloxxertilox.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 6 contacts → |
“At Xertilox, we're redefining the future of digital identity.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  SAFFEsaffe.aiHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“Our technology has been used for years by major institutions throughout the globe and is designed to get you started immediately, increasing the security of your business without…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Authgearauthgear.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 5 contacts → |
“Authgear enables organizations to provide users with secure access to any applications.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Arissian LTDarissian.comHQ: Bromsgrove, United KingdomReported employees: 1-10 | Bromsgrove, United Kingdom | 1-10 | Exact match | 4 contacts → |
“We provide identity solutions based upon our Digital Identity Platform Luciditi.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  ID Crypt Globalidcrypt.globalHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“ID Crypt Global (IDC) is a digital identity and security specialist, following a Self-Sovereign Identity (SSI) model for its services to both businesses and individuals.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Deklum CLM Client Lifecycle Managementdeklumcyber.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Keeping you cyber safe, our easy to use platform is easy to use.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Secure Cloudlinksecurecloudlink.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 4 contacts → |
“WINNER - Public Sector Cloud Project of 2016, Cloud Hosting Awards.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Cybersafe A Securitybridge Companycybersafe.comHQ: Longford, United KingdomReported employees: 11-50 | Longford, United Kingdom | 11-50 | Exact match | 3 contacts → |
“CyberSafe is the original commercial provider of Kerberos-based security solutions, with over 20 years' experience, and focused on providing innovative security solutions for SAP…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 24 of 62 company matches
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User authentication platform developers: dataset insights
September 29, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
62 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 62 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 29, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
User authentication platform developers by metro
Questions about this company list
What does Exact match mean for user authentication platform developers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many user authentication platform developers did RevenueBase find based in the United Kingdom?
The saved snapshot records 62 matching company records, 1,378 tracked contacts and 744 verified emails. The public preview displays 24 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 29, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
User authentication platform developers by geography
- User authentication platform developers based in London, United Kingdom
- User authentication platform developers based in New York, United States
- User authentication platform developers based in Australia
- User authentication platform developers based in Canada
- User authentication platform developers based in France
- User authentication platform developers based in Germany
- User authentication platform developers based in India
- User authentication platform developers based in the Netherlands
- User authentication platform developers based in the United States
Cite this list
RevenueBase Data Team. Top 24 user authentication platform developers based in the United Kingdom. Snapshot: September 29, 2026. https://revenuebase.ai/companies/user-authentication-platform-developers/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- User authentication platform developers based in London, United Kingdom
- User authentication platform developers based in New York, United States
- User authentication platform developers based in Australia
- User authentication platform developers based in Canada
- User authentication platform developers based in France
- User authentication platform developers based in Germany
Company intelligence · public preview
Top 24 user authentication platform developers based in the United Kingdom
RevenueBase records 62 matching company records for user authentication platform developers based in the United Kingdom, with 1,378 tracked contacts and 744 verified work emails.
This public preview shows 24 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 29, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 24 user authentication platform developers based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Callsigncallsign.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 253 contacts → |
“Callsign is pioneering digital trust through proprietary technology that uniquely mimics the way humans identify each other in the real world.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Iprooviproov.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 203 contacts → |
“iProov is the world leader in biometric face verification, helping organizations confirm that a real person is behind every digital identity.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Intragenintragen.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 190 contacts → |
“Intragen is a cyber security business focused on managed Identity solutions and services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Proofidproofid.com HQ: Manchester, United KingdomReported employees: 51-200 | Manchester, United Kingdom | 51-200 | Exact match | 111 contacts → |
“ProofID is your trusted identity security partner – delivering frictionless, secure digital experiences for organisations with complex needs.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Intercedeintercede.com HQ: Lutterworth, United KingdomReported employees: 51-200 | Lutterworth, United Kingdom | 51-200 | Exact match | 97 contacts → |
“Intercede® is a cybersecurity company specialising in identity, credential management and secure mobility to enable digital trust.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Keyless Part Of Ping Identitykeyless.io HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 36 contacts → |
“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 description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | fraud.comfraud.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 33 contacts → |
“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 description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Idenprotectidenprotect.com HQ: Guildford, United KingdomReported employees: 11-50 | Guildford, United Kingdom | 11-50 | Exact match | 24 contacts → |
“Idenprotect is a leading cybersecurity company specialising in a range of phishing-resistant and passwordless authentication and secure browsing solutions.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Swivel Secureswivelsecure.com HQ: Leeds, United KingdomReported employees: 51-200 | Leeds, United Kingdom | 51-200 | Exact match | 22 contacts → |
“Major global enterprises and educational institutions across the globe trust Swivel Secure's Authentication Platform to help their employees, contractors and students work more…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Pureidpureid.io HQ: Royston, United KingdomReported employees: 11-50 | Royston, United Kingdom | 11-50 | Exact match | 21 contacts → |
“Redefining Identity Management” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Openathensopenathens.net HQ: City Of Bristol, United KingdomReported employees: 51-200 | City Of Bristol, United Kingdom | 51-200 | Exact match | 19 contacts → |
“We believe in removing barriers to knowledge.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | XYDUSxydus.digital HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 16 contacts → |
“Regulatory requirements are so often an essential part of onboarding.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | folio.idfolio.id HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 15 contacts → |
“In Today's digital world, knowing you're engaging with a real person is a challenge filled with risk.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Blindspot Global Sᴇqᴜrblindspotglobal.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 10 contacts → |
“Built on over 30 years of Army experience, safety is at the core of what we do.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Self Groupselfgroup.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 10 contacts → |
“Self is a research and product company building an identity layer for the internet.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | My1loginmy1login.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 9 contacts → |
“Founded in 2007, My1Login is a leader in Identity Management, protecting enterprises against cybersecurity threats through its Identity & Access Management (IAM) solution.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Xertiloxxertilox.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 6 contacts → |
“At Xertilox, we're redefining the future of digital identity.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | SAFFEsaffe.ai HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“Our technology has been used for years by major institutions throughout the globe and is designed to get you started immediately, increasing the security of your business without…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Authgearauthgear.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 5 contacts → |
“Authgear enables organizations to provide users with secure access to any applications.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Arissian LTDarissian.com HQ: Bromsgrove, United KingdomReported employees: 1-10 | Bromsgrove, United Kingdom | 1-10 | Exact match | 4 contacts → |
“We provide identity solutions based upon our Digital Identity Platform Luciditi.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | ID Crypt Globalidcrypt.global HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“ID Crypt Global (IDC) is a digital identity and security specialist, following a Self-Sovereign Identity (SSI) model for its services to both businesses and individuals.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Deklum CLM Client Lifecycle Managementdeklumcyber.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Keeping you cyber safe, our easy to use platform is easy to use.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Secure Cloudlinksecurecloudlink.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 4 contacts → |
“WINNER - Public Sector Cloud Project of 2016, Cloud Hosting Awards.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Cybersafe A Securitybridge Companycybersafe.com HQ: Longford, United KingdomReported employees: 11-50 | Longford, United Kingdom | 11-50 | Exact match | 3 contacts → |
“CyberSafe is the original commercial provider of Kerberos-based security solutions, with over 20 years' experience, and focused on providing innovative security solutions for SAP…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 24 of 62 company matches
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User authentication platform developers: dataset insights
September 29, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
62 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 62 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 29, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
User authentication platform developers by metro
Questions about this company list
What does Exact match mean for user authentication platform developers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many user authentication platform developers did RevenueBase find based in the United Kingdom?
The saved snapshot records 62 matching company records, 1,378 tracked contacts and 744 verified emails. The public preview displays 24 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 29, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
User authentication platform developers by geography
- User authentication platform developers based in London, United Kingdom
- User authentication platform developers based in New York, United States
- User authentication platform developers based in Australia
- User authentication platform developers based in Canada
- User authentication platform developers based in France
- User authentication platform developers based in Germany
- User authentication platform developers based in India
- User authentication platform developers based in the Netherlands
- User authentication platform developers based in the United States
Cite this list
RevenueBase Data Team. Top 24 user authentication platform developers based in the United Kingdom. Snapshot: September 29, 2026. https://revenuebase.ai/companies/user-authentication-platform-developers/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- User authentication platform developers based in Germany