Company	Industry	Purpose	Location
Andri.ai andri.ai	Legal Tech	Authentication	USA
Arbol getarbol.com	AI/ML	User authentication, identity management, session handling	United States
Braintrust braintrust.dev	AI Observability	Authentication	US
Browserbase browserbase.com	DevOps	Provides user management and authentication solutions (sign-up, sign-in, user profiles). Responsible for storing and verifying user credentials, generating authentication tokens, and managing session data under customer direction.	548 Market Street PMB 32348, San Francisco, CA 94104, USA
By Sprinto learnwise.ai	EdTech	Security Software	United States of America
Celesto AI celesto.ai	DevOps	Authentication and user identity management	United States
CertCrowd certcrowd.com	Compliance Management	Authentication and user management	Global (including USA)
Channel3 trychannel3.com	E-commerce	User authentication and session management	United States
CheckThat.ai checkthat.ai	AI/ML	Authentication	USA
Coloop coloop.ai	AI/ML, Research Technology	User access management for secure login	EU (Ireland)
Combinely combinely.ai	Accounting Technology	Authentication and user identity management	United States
Concourse concourse.co	Fintech	Authentication Platform	660 King Street, Unit 345, San Francisco, CA 94107, USA
ContractPlan Inc. contractplan.com	—	User authentication, identity management	United States (AWS)
Daily.co daily.co	WebRTC, AI	User authentication	USA
Decagon decagon.ai	AI/ML, Customer Engagement	Authentication and SSO provider	USA
Frigade frigade.ai	DevOps	Authentication	USA
Growthx growthx.ai	Marketing, AI-powered Growth	Authentication	USA
InboxDoctor Data Partners inboxdoctor.ai	Email Deliverability	Auth process, 2FA	USA
MOD mod.app	AI/ML, Social Media Analytics	User authentication, session management, and organization/team management	United States
ModernLoop modernloop.io	HR Tech	Authentication Platform	USA
OpenMeter openmeter.io	Fintech	Authentication provider	United States
Outlit outlit.ai	Customer Data Management	User authentication, session management, user profile data	United States
Review-runner review-runner.co.uk	SaaS (Review Management)	User authentication, session management, access control	San Francisco, California, USA
Solidroad solidroad.com	Customer Experience (CX) Technology	Authentication	USA
Thatworks thatworks.ai	AI/ML	Authentication	USA
Toltiq toltiq.com	Fintech	Account Management & Authentication	USA
Whalesync whalesync.com	Productivity	Authentication and user management	United States

Frequently Asked Questions

How many companies use Clerk as a sub-processor?

Clerk is used by 27 companies as a third-party data processor (sub-processor) based on their public GDPR disclosures.

What industries use Clerk?

Clerk is most commonly used in AI/ML, DevOps, Fintech, Legal Tech, AI Observability.

What is Clerk used for?

Clerk is primarily used for security & identity.