# Circadian Risk

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/circadian-risk

- Industry: IT Security/Cybersecurity
- Headquarters: Ann Arbor, US
- Website: www.circadianrisk.com
- Total disclosed funding: $7M
- Latest round: Series A (Sep 5, 2025)
- Investors on record: 7

## About

Based in Michigan, US, and founded in 2016 by Daniel R. Young, and Paul Mestemaker, Circadian Risk, Inc. operates as a developer of an IT Cybersecurity platform that provides security measures for enterprise businesses.  In September 2025, Circadian Risk, Inc. raised USD 5 million in series A funding led by Arthur Ventures, with participation from Roll Tack Ventures, 11 Tribes Ventures, and Tamiami Angel Fund.

Circadian Risk, Inc. Developer of a security assessment platform for assessing and improving physical security for enterprise businesses. The company's software performs data-driven physical risk analysis and digitizes all security and safety information in order to identify potential threat circumstances or contain natural incidents or accidents, allowing companies to generate, resolve, and communicate beneficial data in order to avoid sensitive workplace situations.

The company offers different licensing such as a basic of USD 59 per month, a consultant of USD 89 per month, and an expert of 499 per month. 

The company will use the September 2025 funding to expand real-time risk assessment capabilities, add generative AI features to its platform, and grow its development and client success teams.

## Funding rounds

- Series A, Sep 5, 2025, $5M — Arthur Ventures, Tamiami Angel Fund, 11 Tribes Ventures, Roll Tack Ventures
- Seed, Jul 1, 2020, $2M — Michigan Angel Fund, Gaingels, Idéquanet SAS

## Investors

- Michigan Angel Fund (https://capitalatlas.ai/funds/michigan-angel-fund) — Seed
- Gaingels (https://capitalatlas.ai/funds/gaingels) — Seed
- Idéquanet SAS — Seed
- Arthur Ventures (https://capitalatlas.ai/funds/arthur-ventures) — Series A
- Tamiami Angel Fund (https://capitalatlas.ai/funds/tamiami-angel-fund) — Series A
- 11 Tribes Ventures (https://capitalatlas.ai/funds/11-tribes-ventures) — Series A
- Roll Tack Ventures — Series A