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Technologies / Auth0 / Certn

Companies using Auth0 and Certn

4 companies in our data have public evidence for both Auth0 and Certn, and 4 name both in their own subprocessor list. Each company below links to the source for every claim. Our coverage is partial, so this is not everyone.

4companies use both
1%of Auth0 users
50%of Certn users
4name both as subprocessors

The companies

Strongest evidence first: a company naming both in its own subprocessor list comes before one seen on its website or in job postings.

Subprocessor listPrivacy policyWebsiteJob postings

CompanyAuth0Certn
909Cyber909cyber.com909Cyber provides hiring fraud verification, a talent marketplace, and security consultancy services.CybersecurityHR and recruiting
Arboretum LifeSciencesarboretum.bioArboretum provides genetic testing programs for cardiovascular disease, cancer, and metabolic conditions.Biotech and life sciencesHealthcare
Jombonejombone.comJombone provides an operations platform for high-volume staffing agencies, covering sourcing, scheduling, timesheets, and payroll.HR and recruiting
Unbaneunbane.comUnbane provides a phone-based communications layer that turns spoken field reports into structured records for construction jobs.ConstructionProductivity and collaboration

The two technologies

Auth0

by Okta · Security and identity

Auth0 is an identity platform that provides login, sign-up, and user management for apps, websites, and APIs. It is used to authenticate customers and enterprise users, control access, and help protect against fraud.

Summarized from auth0.com on 8 Nov 2026.

1% of the 507 companies we see using Auth0 also show the other.

All 507 companies using Auth0435 name it as a subprocessorMore in Security and identity

Certn is a background screening company whose products include criminal record checks, identity verification, and employment and education verification. It is used by employers and organizations to screen candidates and workers before and after hiring.

Summarized from certn.co on 8 Nov 2026.

50% of the 8 companies we see using Certn also show the other.

All 8 companies using Certn8 name it as a subprocessorMore in HR

Other pairs

Companies with their own evidence for both.

More with Auth0

Cloudflare501companiesAmazon Web Services393companiesGoogle Workspace393companiesGoogle Tag Manager301companiesGoogle Analytics225companiesHubSpot223companies

More with Certn

Cloudflare8companiesGoogle Workspace6companiesSlack5companies

Questions

How many companies use both Auth0 and Certn?

4 companies in StrataDB's data have public evidence for both, and 4 of them name both in their own subprocessor list, the strongest evidence we hold. Our coverage is partial, so the real number is higher.

Which companies use Auth0 and Certn?

909Cyber, Arboretum LifeSciences, Jombone and Unbane. Each one links to the evidence behind it.

How does StrataDB know a company uses Auth0 and Certn?

From four kinds of public evidence: subprocessor lists, privacy policies, website code and job postings. Each is kept apart with its source and the date we saw it. A company missing here means we found no evidence, not that it does not use them.

Find every company using Auth0 and Certn

See the full list with the source for each company, and run the same lookup for any technology from the API, Claude or your browser.

  • Every company and vendor, with its public source
  • 100 API calls a month, plus MCP and the Chrome extension
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