Clef
Clef is secure two-factor with no passwords or tokens.
Market Share of Clef
Current Customer(s)
344
Market Share (Est.)
6.32%
Ranking
#5
Top Competitors and Alternatives of Clef
The top three of Clef’s competitors in the Two Factor Authentication category are RSA SecurID with 28.75%, Yubico with 26.51%, Microsoft Azure Multi-Factor Authentication with 17.77% market share.
| Technology | Domains | Market Share (Est.) | Versus page |
|---|---|---|---|
| RSA SecurID | 1565 | 28.75% | Clef vs RSA SecurID |
| Yubico | 1443 | 26.51% | Clef vs Yubico |
| Microsoft Azure Multi-Factor Authentication | 967 | 17.77% | Clef vs Microsoft Azure Multi-Factor Authentication |
| Google Authenticator | 483 | 8.87% | Clef vs Google Authenticator |
| Symantec VIP | 301 | 5.53% | Clef vs Symantec VIP |
| Authy | 86 | 1.58% | Clef vs Authy |
| inWebo | 53 | 0.97% | Clef vs inWebo |
| Usher | 39 | 0.72% | Clef vs Usher |
| SecureAuth IdP | 22 | 0.40% | Clef vs SecureAuth IdP |
| Miracl | 17 | 0.31% | Clef vs Miracl |
| privacyIDEA | 12 | 0.22% | Clef vs privacyIDEA |
| Rublon | 11 | 0.20% | Clef vs Rublon |
| Adaptive Security Manager | 10 | 0.18% | Clef vs Adaptive Security Manager |
| Mi-Token | 9 | 0.17% | Clef vs Mi-Token |
| Twizo | 8 | 0.15% | Clef vs Twizo |
| SAASPASS | 8 | 0.15% | Clef vs SAASPASS |
| WiKID | 8 | 0.15% | Clef vs WiKID |
| Rohos Logon Key | 6 | 0.11% | Clef vs Rohos Logon Key |
| BlackBerry Enterprise Identity | 6 | 0.11% | Clef vs BlackBerry Enterprise Identity |
| Authenticator Plus | 5 | 0.09% | Clef vs Authenticator Plus |
Popular Comparisons
Top Competitors and Alternatives of Clef
The top three of Clef’s competitors in the Two Factor Authentication category are RSA SecurID with 28.75%, Yubico with 26.51%, Microsoft Azure Multi-Factor Authentication with 17.77% market share.
Clef vs RSA SecurID
Clef vs Yubico
Clef vs Microsoft Azure Multi-Factor Authentication
Clef vs Google Authenticator
Clef vs Symantec VIP
Clef vs Authy
Clef vs inWebo
Clef vs Usher
Customers of Clef
Around the world in 2025, over 344 companies have started using Clef as Two Factor Authentication tool.
| Customers | Employee Range | City | Region | Country | Social Links |
|---|---|---|---|---|---|
| Joel | 250 - 499 | New York City | New York | United States |   |
| Eci Inc | 250 - 499 | Tiffin | Ohio | United States |   |
| Sklejka Eko S.A. | 250 - 499 | Ostrow Wielkopolski | Greater Poland | Poland | |
| TrackTown Productions | 250 - 499 | Eugene | Oregon | United States | |
| Modern distropolis Ltd. | 100 - 249 | Malappuram | Kerala | India | |
| Gruas Doama | 100 - 249 | Puebla | Puebla | Mexico | |
| P. P. Participacoes E Negocios | 100 - 249 | Sao Paulo | Sao Paulo | Brazil | |
| SK DESIGN UAB | 100 - 249 | Vilnius | Lithuania | | |
| Sensus Ratownictwo Medyczne | 100 - 249 | Zielona Gora | Lubusz | Poland | |
| PortafolioAcat | 100 - 249 | Bogota | Bogota D.C. | Colombia | |
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Clef Customers by Products and Services
The top three products and services offering customers that use Clef for Two Factor Authentication are Web Design (3), Web Development (2), Social Media (2).
Customers
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Clef Customers by Employee Size
The majority of Clef's customers for the two-factor-authentication category fall in the company size of 0 - 9 employees (248 companies), 20 - 49 employees (41 companies), 10 - 19 employees (26 companies).
Employee Size
Clef Customers by Geography
The top three geographies of Clef for two-factor-authentication are the United States with 124(42.03%), United Kingdom with 49(16.61%), Netherlands with 30(10.17%) customers respectively.
Customers
Employees of Clef
Also see other Products/Services by Clef in:
FAQ
Find answers to the most often asked questions by users.
Who are the top Clef competitors?
Clef’s Top competitors in the two-factor-authentication category are RSA SecurID, Yubico, Microsoft Azure Multi-Factor Authentication. You can view a full list of Clef competitors here. 6sense uses advanced data mining and AI algorithms to track customers and competitors of Clef and 40,000 other technologies on the internet. You can also compare Clef and its feature with top competitors here : Clef vs RSA SecurID Clef vs Yubico Clef vs Microsoft Azure Multi-Factor Authentication.
What is Clef customer distribution based on company size?
What is Clef market share in the two-factor-authentication?
What are the top countries that use Clef?
What are the top industries that use Clef?
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