Company lists · Data refreshed September 2026
Top 25 Single sign on providers worldwide
RevenueBase identified 565 single sign on providers worldwide as of September 2026 and tracks 32,223 professional contacts across them, including 14,438 with verified work emails. The United States is the largest market and London the largest hub.
This list covers single sign on providers worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 22, 2026. Country and city lists for single sign on providers follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 25 largest single sign on providers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 7,054 contacts → | ||||
Indirect evidence “Okta secures AI.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 2 | 3,240 contacts → | ||||
Indirect evidence “HID powers the trusted identities of the world's people, places and things.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 3 | 2,163 contacts → | ||||
Indirect evidence “The identity standard for government, finance, and high-assurance organizations.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 4 | 2,157 contacts → | ||||
Indirect evidence “CLEAR is a security identity company making experiences safer and easier-physically and digitally.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 5 | 2,097 contacts → | ||||
Indirect evidence “At Ping Identity, we make it possible to trust every digital moment across customers, employees, partners, and non-human identities.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 6 | 1,076 contacts → | ||||
Indirect evidence “Imprivata delivers access management solutions for healthcare and other mission-critical industries to ensure every second of crucial work is both frictionless and secure.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 7 | 961 contacts → | ||||
Indirect evidence “ID.me is the next-generation digital identity wallet that simplifies how individuals securely prove their identity online.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 8 | 847 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 9 | 764 contacts → | ||||
Indirect evidence “LastPass delivers Secure Access Essentials, helping individuals and organizations manage and protect access to AI, applications, and credentials straight from the browser.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 10 | 692 contacts → | ||||
Indirect evidence “Identity Excellence Delivered.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 11 | 676 contacts → | ||||
Indirect evidence “Unico is a global identity network that forges trust between people & companies.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 12 | 582 contacts → | ||||
Indirect evidence “miniOrange is a world-class cybersecurity organization that has been delivering innovative products in the cybersecurity space for over a decade.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 13 | 450 contacts → | ||||
Indirect evidence “Signicat is one of Europe’s leading providers of digital identity solutions.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 14 | 422 contacts → | ||||
Indirect evidence “Proof makes trust possible in a digital world.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 15 | 414 contacts → | ||||
Indirect evidence “Prove modernizes how digital trust is established and maintained throughout the digital consumer journey, providing unparalleled accuracy in identity verification and…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 16 | 327 contacts → | ||||
Indirect evidence “Transmit Security gives businesses the modern tools they need to build secure, trusted and end-to-end digital identity journeys to innovate and grow.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 17 | 314 contacts → | ||||
Indirect evidence “The Auth0 Platform takes a modern approach to Identity and enables organizations to provide secure access to any application, for any user.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 18 | 249 contacts → | ||||
Indirect evidence “Entersekt provides banking and payment transaction authentication to financial institutions that is both secure and free from unnecessary friction.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 19 | 233 contacts → | ||||
Indirect evidence “Daon, The Digital Identity Trust Company, delivers fraud-resistant, low-friction digital identity solutions that support onboarding and authentication at every trust point across…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 20 | 199 contacts → | ||||
Indirect evidence “High-risk access is subjective.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 21 | 152 contacts → | ||||
Indirect evidence “Lumos is the first Autonomous Identity platform to automatically discover and manage access across all your apps.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 22 | 152 contacts → | ||||
Indirect evidence “Our mission is to ensure that every interaction is authentic, verified, and secure-protecting individuals and organizations from fraud, impersonation, and digital deception.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 23 | 150 contacts → | ||||
Partial evidence “KOBIL is a global technology company focusing on secure digital identity and all-in-one multi-sided platform technologies.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 24 | 148 contacts → | ||||
Indirect evidence “Uniken has rebranded as Ditto.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 25 | 147 contacts → | ||||
Indirect evidence “SecureAuth is redefining identity security for the AI era.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: single sign on providers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names single sign on providers.
- Partial evidence
- Its own public description names part of single sign on providers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name single sign on providers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 565 single sign on providers worldwide
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Single sign on providers worldwide at a glance
As of Sep 22, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among single sign on providers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for single sign on providers are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “single sign on providers”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names single sign on providers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among single sign on providers, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 14,438 across the full list. 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 22, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Single sign on providers by location
3 lists · largest firstEvery Single sign on providers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names single sign on providers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many single sign on providers are there worldwide?
RevenueBase identified 565 single sign on providers worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
OKTA, headquartered in San Francisco, tops this list with the largest team on record.
Which country has the most single sign on providers?
The United States leads with 197 companies, followed by the United Kingdom (28) and the Netherlands (25). Every single sign on providers list by country and city is linked on this page.
Which city has the most single sign on providers?
London leads with 19 headquartered companies, followed by New York (15) and San Francisco (14).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 14,438 verified decision-maker contacts tracked across these 565 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 22, 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 Smart Search, 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.