Circadian Risk secured an investment of $470,000 from Southwest Florida angel investors.

NAPLES, Fla., (March 3, 2025) — Angel investors from Southwest Florida recently provided additional capital to Circadian Risk, a software firm that helps organizations assess physical security risks.

Members of Tamiami Angel Fund V recently invested $470,000 in Circadian Risk, joining members of Tamiami Angel Fund IV who invested $565,000 one year ago, bringing the total investment by Southwest Florida investors to more than $1 million.

The Ann Arbor, Mich.-based company created software to help companies secure physical assets such as office buildings, schools and stores and keep people safe. Specifically, Circadian’ s software allows companies to assess and monitor risks ranging from active shooters to arson, espionage, explosives, vandalism and workplace violence. The software uses a logical, score-based approach to generate interactive dashboards and visualizations updated in near-real time so organizations can improve and maintain security for their people and physical assets.

“Organizations are combining physical security with their cyber protection for compliance purposes,” says security expert Michael Martin, CEO and founder of Circadian Risk. “For example, if your organization accepts credit-card payments, new compliance standards now require physical security such as access control, cameras, footage retention and other criteria.”

Large enterprises across industries ranging from finance to education, health care and retail are using the firm’s software to manage physical risks in different locations on a near-real-time basis, a feature that wasn’t available prior to Circadian’s technology.

“Michael Martin is an acclaimed leader and innovator in the Security Services & Risk Assessment industry, he is the type of founder that we like to back with our investment dollars,” notes Timothy Cartwright, partner of Fifth Avenue Family Office and chairman of Tamiami Angel Funds in Naples.

Naples-based Tamiami Angel Funds are member-managed funds that allow high-net-worth individuals and families to invest in promising early stage and expansion-stage companies located in the U.S., with a preference to those in the state of Florida. For more information about Tamiami Angel Funds, visit www.tamiamiangels.com. For more information about Circadian Risk, visit www.circadianrisk.com.

About Tamiami Angel Funds

Tamiami Angel Fund I, Tamiami Angel Fund II, Tamiami Angel Fund III, Tamiami Angel Fund IV, and Tamiami Angel Fund V are member-managed funds that allow high-net-worth individuals and families to invest in promising early stage and expansion-stage companies located in the U.S., with a preference to those in the state of Florida. Fifth Avenue Family Office, the administrator of the angel funds, caters their multi-family office services to high-net-worth entrepreneurs and their families. The funds are members of the Angel Capital Association and the Florida Venture Forum. For more information, visit www.tamiamiangels.com.