Founder Ned O'Leary said Tesseral decided to wind down the business and return investors' capital.
SourceThe open source platform for managing identity in business software
Public company, workplace, funding, and market signals
Tesseral is an open-source, API-first B2B identity and access management platform for SaaS apps, offering login UI, SSO, SCIM, RBAC, scoped API keys, audit logs, impersonation, and MFA. It launched in 2025, but the founder later said in Oct. 2025 that the company would wind down and return investors' capital.
Primary product
Open-source B2B identity and access management infrastructure
Founded
2023
Headquarters
San Francisco, California, United States
Team size
1-10
Work style
Onsite
Industry
Software Development
Sub-industry
Identity and access management / authentication infrastructure
Offices
0 jobs at Tesseral
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Business model
Stage
Seed
Total raised
$3.9M
Latest round
Seed · May 2025
Latest amount
$3.3M
Leadership
Cofounder & CEO
Cofounder & CTO
Principal Software Engineer
Head of Growth
Investors
Founder-led, engineering-heavy, open-source oriented, and very focused on developer experience and security. Public messaging emphasizes direct access to founders, fast implementation, and hands-on support.
Work style
Onsite
Pricing
Open-source self-hosted community edition is free; managed Studio cloud tier is $0/month up to 200 users and 50 organizations; Enterprise is custom pricing with managed deployment, SLA, and white-glove onboarding.
Differentiators
Technology
Customers
Competitors
Estimated monthly visits
2.8K
Founder Ned O'Leary said Tesseral decided to wind down the business and return investors' capital.
SourceLinkedIn · Oct 2025
Founder Ned O'Leary said Tesseral would wind down and return investors' capital, citing a difficult path to venture-scale and limited differentiation in a crowded auth market.
The SaaS News · May 2025
Independent coverage of Tesseral's seed round and investors.
SiliconANGLE · May 2025
Coverage of Tesseral's launch and seed funding; reiterates the company's B2B auth infrastructure focus and investor list.
FinSMEs · May 2025
Seed-round coverage naming the San Francisco-based company, its funding amount, and the same investor group as the launch announcement.
Business Wire · May 2025
Official launch announcement for Tesseral's emergence from stealth with $3.3M seed financing from Y Combinator and several prominent angel investors.