C1

Access for the agentic era

San Francisco, United States · $79.0M raised

Headquarters
San Francisco
Business Model
B2B
Website
c1.ai
Total Funding
$79.0M
Last Round
$79.0M Series BOct 2025
Rounds
1

About

C1 builds an identity security and governance platform for enterprises adopting AI agents alongside human and non-human identities. Its control plane gives organizations visibility across identities, automates access and lifecycle controls, and applies policy and data controls to agent activity. The platform connects SaaS, on-premises, and legacy systems so customers can govern credentials, access, and AI-enabled workflows while maintaining auditability and least-privilege controls.

Summary

C1 is an Artificial Intelligence company based in San Francisco, United States. It has raised $79.0M in total across 1 round, most recently a $79.0M Series B round in Oct 2025. Investors include Greycroft and Operator Collective.

Tech & App Stack

6 technologies & apps tracked

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Funding History

Series BSeries BOct 2025
$79.0M

Investors

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