# R-Zero: Information technology & services, San Francisco, United States

> R-Zero: R-Zero is a San Francisco-based smart building technology company founded in 2020. Based in San Francisco, United States. Founded 2020.

Source: https://millionrounds.com/startup/r-zero (Millionrounds; every figure on the page links to its filing or article)

United States · [Information technology & services startup](https://millionrounds.com/companies)

# R-Zero

R-Zero is a San Francisco-based smart building technology company founded in 2020.

Funding reported Last round: Series C

Information technology & services San Francisco, United States

Company summary

- **Founded:** 2020 6 years old
- **Team:** 54 51 to 200 people
- **Funding reported:** $170M in dollars
- **Last round:** Series C Feb 2023

How sure we are

- ✓ **Listed** We know it exists and what it does
- 2 **Funding reported** A company dataset reports a raise
- 3 **Observed** A filing or a dated announcement confirms a round

No round for R-Zero has been confirmed by a filing or an announcement yet, so nothing here counts toward an investor's record. [How we decide](https://millionrounds.com/methodology)

## About R-Zero

R-Zero is a San Francisco-based smart building technology company founded in 2020.

It focuses on enhancing indoor safety and health through a comprehensive biosafety technology platform. R-Zero combines UV-C disinfection, advanced sensors, AI-driven software, and IoT-connected hardware to create safer and more productive indoor environments. The company has gained significant backing from investors, including the Mayo Clinic and early supporters from major tech companies. R-Zero offers a cloud-based platform that improves indoor environmental quality and operational efficiency. Its services include real-time monitoring of air quality and occupancy, automated disinfection solutions, and performance-based pricing models. Key products include the R-Zero Arc mobile disinfection unit, stationary disinfection devices for healthcare, smart building sensors, and an AI-driven software platform that optimizes HVAC systems. R-Zero serves various sectors, including healthcare, education, corporate real estate, government, data centers, and hospitality, aiming to create healthier indoor spaces for all.

## What company datasets say R-Zero raised

Funding, as reported

Reported in all **$170M** in dollars

Rounds **6**

Last round **Series C**

Last round size **$105M**

Last round date **Feb 2023**

Investors listed **14**

## On 2 portfolio pages

Investors who name them

- [Leadout Capital](https://millionrounds.com/fund/leadout-capital)
- [Civilization Ventures](https://millionrounds.com/fund/civilization-ventures)

Each firm lists R-Zero on its own website. That is the firm's claim, a weaker thing than a round we watched, but a named source.

## The company, in detail

What they build

Known for

occupancy detection hardware workplace safety solutions health care hvac controls smart building platform hospital infection control health and safety public sector health solutions sensor-driven hvac control construction & real estate sensor-driven ventilation uv-c mobile disinfection healthier indoor environments education information technology & services

Built with from their website

Google Tag Manager WordPress.org Elementor Google Workspace CloudFlare Gem Viewport Meta CookieYes Lucide WP Engine

+8 more

Cloudflare WAF.NET Hello Elementor Azure Linux Virtual Machines AI Google Meet Radzen Blazor Studio CloudFlare CDN

- **Sector:** Information technology & services
- **Industry code:** NAICS 33911, 541512, 531312, SIC 3829
- **Region:** California
- **Full record:** [Every detail in the company directory](https://millionrounds.com/directory/r-zero)

## Information technology & services in United States

Startups like it

- [**Databricks** San Francisco · founded 2013 *Raised*](https://millionrounds.com/company/databricks)
- [**Waymo** Mountain View · founded 2009 *Raised*](https://millionrounds.com/company/waymo)
- [**Crusoe** Denver · founded 2018 *Raised*](https://millionrounds.com/company/crusoe)
- [**Cursor** San Francisco · founded 2017 *Raised*](https://millionrounds.com/company/cursor)
- [**Thinking Machines Lab** San Francisco *Raised*](https://millionrounds.com/company/thinking-machines-lab)
- [**Cognition** San Francisco *Raised*](https://millionrounds.com/company/cognition)
- [**Polymarket** New York · founded 2020 *Raised*](https://millionrounds.com/company/polymarket)
- [**Harvey** San Francisco · founded 2022 *Raised*](https://millionrounds.com/company/harvey)

## Is this your company?

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