Circadian Risk Inc.

Circadian Risk Inc. is an enterprise software company based in Ann Arbor, Michigan, founded in 2016 by Paul Mestemaker and Daniel R.

Young. The company specializes in a data-driven SaaS platform that assesses, visualizes, and mitigates physical security risks for organizations worldwide. Led by CEO Michael J. Martin, Circadian Risk has raised approximately $7.06 million in funding, including a $6 million Series A round in February 2026, aimed at accelerating growth and integrating generative AI into its offerings. The company provides a suite of Physical Risk SaaS tools, including a centralized Physical Risk Assessment Software, a mobile Vulnerability Assessment iPad App, and a Risk Optimization Calculator. These tools help security professionals identify and manage risks at the asset level, generate automated reports, and ensure compliance with standards like OSHA and ISO. Circadian Risk primarily serves enterprise clients in industries such as banking, healthcare, government, and insurance, focusing on enhancing the safety and security of multi-building facilities and global asset footprints.