Key facts
- It has raised $7.0M; the latest was Accelerator/Incubator in Sep 2025.
- Notable investors include Alumni Ventures, Tech Nation Group, London & Partners., REACH Accelerating Real Estate, Hoxton Ventures — 10 tracked in total.
- Status: Privately Held (backing).
- ·The complete investor list — 10 names
- ·Watchlist + deal alerts for Rensair
- ·The full record, as it builds
Funding rounds
No funding rounds for Rensair are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About Rensair
Developer of portable hospital-grade air purifiers designed to instantly lower emissions and energy use, cleaning the air and making indoor environments a healthy place. The company's air purification technology uses high-efficiency particulate air, high-efficiency particulate air (HEPA) grade filters and ozone-free ultraviolet light that destroys airborne viruses, including coronavirus, enabling hospitals, schools, and care homes with air purification technology and optimum indoor air quality.
- Sector
- Business Products and Services (B2B)
- HQ
- London, United Kingdom
- Founded
- 2020
- Employees
- 23
- Website
- rensair.com/
- Ownership
- Privately Held (backing)
Rensair doesn't have a composite mark yet — a PA Mark is published once enough pricing inputs exist (trade prints, fund marks, round prices). The rest of the record below builds toward it.
Recorded secondary trades
No secondary trades in Rensair shares have been recorded yet. When a print lands — third-party, direct report, or platform — it appears here with structure, source, and price.
Institutional fund marks
No SEC-registered fund has reported a fair-value mark on Rensair in its N-PORT filings yet. We sweep new filings monthly.