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Visium
3 known investors
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Visium develops Far-UVC radiation-based sanitization devices and software to improve indoor air quality and reduce airborne pathogen transmission in occupied spaces. The company targets building owners and operators seeking to enhance health and safety in indoor environments.
Founders & leadership
SM
MH
JR
John RajchertCo-Founder, CEOJohn Rajchert led a $2.5B global business in building automation, energy, and security at Honeywell before co-founding Visium, which commercializes far-UVC radiation-based sanitization technology for indoor air quality and pathogen reduction.
SG
Shrey GuptaIoT Software Engineer
Investors · 3
Columbus Venture PartnersreportedValencia
How we know: theaiinsider.tech · funding news · Not right? Tell us
ConcentricreportedLondon · $635K – $6.3M
How we know: theaiinsider.tech · funding news · Not right? Tell us
Funding
SEC filings, press & company announcements- Undisclosed amountfirst institutional funding roundMay 2026 · 2 sources
Columbus Venture Partners (lead), Concentric (lead)
Source ↗
Source: company announcements and press reports — follow each round's link for the claim.
Frequently asked questions
- What does Visium do?
- Visium develops Far-UVC radiation-based sanitization devices and software to improve indoor air quality and reduce airborne pathogen transmission in occupied spaces. The company targets building owners and operators seeking to enhance health and safety in indoor environments.
- Who founded Visium?
- Visium was founded by Stephen M. Ross, Matt Higgins, John Rajchert.
- Who are Visium's investors?
- Visium's investors include RSE Ventures, Columbus Venture Partners, Concentric.