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Clef

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Clef is secure two-factor with no passwords or tokens.

Two Factor Authentication
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Market Share of Clef

Current Customer(s)

301

Market Share (Est.)

3.66%

Ranking

#6

Top Competitors and Alternatives of Clef

The top three of Clef’s competitors in the Two Factor Authentication category are RSA SecurID with 27.65%, Yubico with 22.93%, Microsoft Azure Multi-Factor Authentication with 18.36% market share.

TechnologyDomainsMarket Share (Est.)Versus page
RSA SecurID227527.65%Clef vs RSA SecurID
Yubico188722.93%Clef vs Yubico
Microsoft Azure Multi-Factor Authentication151118.36%Clef vs Microsoft Azure Multi-Factor Authentication
Google Authenticator129815.78%Clef vs Google Authenticator
Symantec VIP4225.13%Clef vs Symantec VIP
Authy1311.59%Clef vs Authy
inWebo841.02%Clef vs inWebo
Usher410.50%Clef vs Usher
Miracl370.45%Clef vs Miracl
privacyIDEA330.40%Clef vs privacyIDEA
SecureAuth IdP310.38%Clef vs SecureAuth IdP
LoginTC270.33%Clef vs LoginTC
SAASPASS230.28%Clef vs SAASPASS
Adaptive Security Manager220.27%Clef vs Adaptive Security Manager
TypingDNA210.26%Clef vs TypingDNA
Rublon140.17%Clef vs Rublon
OpenText NetIQ Advanced Authentication100.12%Clef vs OpenText NetIQ Advanced Authentication
BlackBerry Enterprise Identity80.10%Clef vs BlackBerry Enterprise Identity
Authenticator Plus80.10%Clef vs Authenticator Plus
Mi-Token80.10%Clef vs Mi-Token
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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 27.65%, Yubico with 22.93%, Microsoft Azure Multi-Factor Authentication with 18.36% market share.

Clef vs RSA SecurID

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Clef vs Yubico

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Clef vs Microsoft Azure Multi-Factor Authentication

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Clef vs Google Authenticator

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Clef vs Symantec VIP

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Clef vs Authy

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Clef vs inWebo

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Clef vs Usher

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Customers of Clef

Around the world in 2026, over 301 companies have started using Clef as Two Factor Authentication tool.

CustomersEmployee RangeCityRegionCountrySocial Links
Eci Inc250 - 499TiffinOhioUnited States
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Waterhouses Community Association0 - 9DurhamEnglandUnited Kingdom
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Zwear A Wearable Turnkey Platform0 - 9SunnyvaleCaliforniaUnited States
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BRAN Investments0 - 9WolverhamptonEnglandUnited Kingdom
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Central 2 South Realty0 - 9MontereyCaliforniaUnited States
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4X Global Research0 - 9LondonEnglandUnited Kingdom
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Labyrinth Of Nurture0 - 9StowmarketEnglandUnited Kingdom
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Les Pépites Tech0 - 9ParisIle-de-FranceFrance
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Korean Student Association At The University Of Texas At Austin250 - 499Canada
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Tracktown Productions250 - 499EugeneOregonUnited States
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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), Seo (2), It Consulting (1).

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 (212 companies), 10 - 19 employees (34 companies), 20 - 49 employees (29 companies).

Employee Size

Clef Customers by Geography

The top three geographies of Clef for two-factor-authentication are the United States with 113(44.66%), United Kingdom with 46(18.18%), Netherlands with 24(9.49%) customers respectively.

Customers

Employees of Clef

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Also see other Products/Services by Clef in:

Two Factor Authentication

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.

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What is Clef customer distribution based on company size?

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What is Clef market share in the two-factor-authentication?

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What are the top countries that use Clef?

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What are the top industries that use Clef?

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