Circadian Risk, an Ann Arbor, MI–based developer of enterprise risk analysis SaaS and scenario-based assessment products, has raised $6 million in Series A funding.
Investors
The oversubscribed round was led by Arthur Ventures, with participation from Roll Tack Ventures and existing investors 11 Tribes and Tamiami Angel Funds.
Arthur Ventures is an early-growth venture capital firm that invests in B2B software and technology companies across the United States and Canada. Founded in 2013, the firm focuses on providing capital in seed through growth-stage rounds and helping companies scale with hands-on guidance and operational expertise. Arthur Ventures manages roughly $2 billion in assets.
Circadian Risk Use of Funds
The funding will support product refinement, generative AI integration, go-to-market expansion, and the scaling of development and client success teams.
About Circadian Risk
Led by CEO Michael Martin, Circadian Risk provides an enterprise risk analysis SaaS, delivering scenario-based assessment and real-time risk visibility solutions for complex organizations. Founded in 2016, the Circadian Risk platform enables customers to monitor organizational risk, manage multiple threats, hazards, and compliance scenarios, and communicate risk across their organizations. Headquartered in Ann Arbor, Michigan, the company’s mission is to reduce risk to an organization’s core assets—its people and critical infrastructure.
Funding Details
Company: Circadian Risk, Inc.
Raised: $6.0M
Round: Series A
Funding Date: February 2026
Lead Investor: Arthur Ventures
Additional Investors: Roll Tack Ventures, 11 Tribes, Tamiami Angel Funds
Company Website: https://www.circadianrisk.com/
Software Category: Enterprise Risk Management / Security Risk SaaS
Source: https://www.prnewswire.com/news-releases/circadian-risk-raises-6-million-in-oversubscribed-series-a-round-302695430.html