R-Zero Funding, Investors & Competitors

R-Zero has raised $170M across 3 funding rounds, most recently a $105M Series C in February 2023.

Last R-Zero funding round

$105M

Series C · Feb 2023

Cumulative funding R-Zero raised

$170M

across 3 funding rounds

Key investors in R-Zero

  • SOSV
  • DBL Partners
  • World Innovation Lab
  • Bedrock
  • John Doerr
  • Qualcomm Ventures
  • Upfront Ventures
  • La Caisse

R-Zero Overview

About R-Zero

R-Zero is a provider of smart building technology platforms for indoor air quality management and space optimization. San Francisco-headquartered, the company deploys IoT sensors for real-time monitoring of HVAC performance, occupancy patterns, CO2 levels, and particulate matter. Solutions integrate with existing building systems to enable demand-controlled ventilation, energy savings up to 30 percent, and analytics dashboards for property managers. Clients include corporate offices, healthcare facilities, and educational institutions using R-Zero's platform for post-pandemic workplace readiness.


Founded

2020

HQ

United StatesSan Francisco, CA

Website

rzero.com

Status

Privately held

Customer focus

B2B

Revenue model

Subscription

R-Zero Funding History

R-Zero has raised a total of $170M across 3 funding rounds.

R-Zero's first fundraising round was a $15M Series A in September 2020. The most recent completed round was a $105M Series C in February 2023.

R-Zero funding rounds

R-Zero funding rounds
DateStageInvestorsRaisedDeal Summary
Feb 2023Series CLa Caisse (lead); DBL Partners; Qualcomm Ventures; John Doerr; World Innovation Lab; Bedrock; SOSV; Upfront Ventures; Mayo Clinic; BMO Capital Markets$105MR-Zero is a healthy buildings company specializing in UV-C disinfection technology, IoT-connected hardware, sensors, and AI to improve indoor air quality, neutralize 99.99% of harmful microorganisms, and reduce reliance on HVAC systems and chemicals for lower energy use, waste, and emissions. The company targets education, healthcare, corporate, and public sector facilities including K-12 schools, colleges, hospitals, senior care, and government sites. On February 16, 2023, R-Zero closed a $105 million Series C round led by La Caisse (CDPQ), with participation from BMO Financial Group, Qualcomm Ventures, Upfront Ventures, and existing investors DBL Partners, World Innovation Lab, Mayo Clinic, Bedrock Capital, SOSV, and John Doerr. This brought total funding raised to over $170 million. The Series C funds are designated to scale deployments of R-Zero's disinfection and risk modeling technology amid growing demand in public and private sectors. Products like Arc, Beam, and Vive optimize disinfection for various indoor spaces, with data sensors providing insights for risk mitigation and space optimization. The technology achieves over 90% fewer greenhouse gas emissions and waste compared to traditional methods, supporting sustainability goals while enhancing occupant health and delivering ROI through energy and cost savings. R-Zero positions itself to redefine indoor air standards, addressing the health crisis of poor indoor air where people spend 90% of their time. No financial metrics such as post-money valuation, revenue, ARR, EBITDA, or valuation multiples are disclosed in announcements for this round. Earlier funding included a $15M raise noted by DBL Partners, but details pertain to prior activity.
Jun 2021Series BJohn Doerr (lead); Mayo Clinic Ventures (lead); World Innovation Lab (lead); DBL Partners; SOSV$50MR-Zero Systems is a San Francisco-based biosafety technology company focused on reducing the spread of infectious diseases through smart building solutions, including IAQ monitoring, high-efficiency HVAC filtration, space utilization sensors, occupancy-based controls, and real estate performance analytics. R-Zero has developed products like Prospector AI for energy savings analysis, identifying $3.8 billion in potential savings across U.S. buildings by integrating regulatory and performance data. The company emphasizes scalability and ease-of-use for building owners and operators to optimize efficiency, reduce costs, and meet compliance. On June 16, 2021, the company raised $41.5 million in a Series B funding round led by World Innovation Lab, with participation from John Doerr, Mayo Clinic Ventures, DBL Partners, and SOSV, bringing total capital raised to over $58 million. The funding supported R-Zero's expansion amid heightened demand for indoor air quality and biosafety technologies post-COVID. The company later acquired coWorkr on July 20, 2021, and raised a larger Series C round of $104.5 million on May 26, 2022, from investors including Bank of Montreal, Bedrock Capital, DBL Partners, John Doerr, Mayo Clinic Ventures, Qualcomm Ventures, SOSV, Upfront Ventures, and WiL.
Sep 2020Series ADBL Partners (lead); Swiftarc Ventures; Bedrock; Civilization Ventures; SOSV$15MR-Zero is a San Francisco-based biosafety company developing hospital-grade technologies, including an IoT UV-C germicidal system, to reduce the spread of infectious diseases. The company announced a $15 million Series A funding round in November 2020, led by DBL Partners with participation from Bedrock Capital, HAX/SOSV, and Swiftarc Ventures. Ira Ehrenpreis from DBL Partners joined the board as part of the investment. The funding aims to accelerate production and deployment of R-Zero's flagship UV-C system to meet strong demand amid the COVID-19 pandemic, while supporting development of new product innovations for public health and safety. NBA, NFL, NHL, and MLS teams selected R-Zero's UV-C disinfection solution. The round followed just three months after the company's first introduction of its germicidal UV device, highlighting rapid business momentum.

Who has invested in R-Zero?

13 investors have backed R-Zero across its funding rounds, including SOSV, DBL Partners, World Innovation Lab, Bedrock, John Doerr and Qualcomm Ventures.

Lead investors include La Caisse, John Doerr, Mayo Clinic Ventures, World Innovation Lab and DBL Partners.


R-Zero Investors

Investors in R-Zero by funding rounds participated
InvestorHQRoundsRoleFirst check
DBL PartnersUnited StatesSan Francisco, CA3LeadSep 2020
SOSVUnited StatesPrinceton, NJ3ParticipantSep 2020
John DoerrUnited StatesSan Francisco, CA2LeadJun 2021
World Innovation LabUnited StatesSan Francisco, CA2LeadJun 2021
BedrockUnited StatesLos Angeles, CA2ParticipantSep 2020
Qualcomm VenturesUnited StatesSan Diego, CA1ParticipantFeb 2023
Swiftarc VenturesUnited StatesNew York City, NY1ParticipantSep 2020
La CaisseCanadaMontreal1LeadFeb 2023
Mayo Clinic VenturesUnited StatesUnited States1LeadJun 2021
Civilization VenturesUnited StatesSan Francisco, CA1ParticipantSep 2020
Upfront VenturesUnited StatesLos Angeles, CA1ParticipantFeb 2023

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Acquisitions by R-Zero

R-Zero has acquired 2 companies to date.

Last acquisition by R-Zero was on September 17th 2024. R-Zero acquired SecureAire for undisclosed valuation.


Latest Acquisitions by R-Zero

SecureAire
CoWorkr
Description
SecureAire is a developer of active particle control technology integrated into HVAC systems for enhanced indoor air filtration. The patented process captures bacteria, viruses, allergens, TVOCs, gases, and odors in hospitals, commercial buildings, and residences. Proven to combat sick building syndrome and airborne pathogens, SecureAire units achieve over 95 percent reduction of 0.1-micron particles and operate in settings from operating rooms to schools.
CoWorkr is a hardware-enabled SaaS provider that installs high-resolution sensors across office spaces to track real-time occupancy and utilization metrics. The platform analyzes foot traffic, desk usage, and meeting room demand to optimize workplace layouts and hybrid work policies. Headquartered in Seattle, Washington, CoWorkr serves enterprise clients like tech firms and corporations seeking data-driven space management post-pandemic. Its sensor network integrates with building management systems for seamless deployment in multi-floor facilities worldwide.
HQ CountryUnited StatesUnited States
HQ City
Tampa, FL
Reno, NV
Deal Date17 Sep 202420 Jul 2021
Valuationundisclosedundisclosed
EV/Revenue
EV/EBITDA

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R-Zero Competitors

R-Zero competitors include listed companies like Johnson Controls and Samsara, and private ones like Verkada, ZaiNar, Tractian and proteanTecs.

Public and private companies comparable to R-Zero
CompanyHQStatusRevenueEBITDAValuationRevenue Multiple
Johnson ControlsUnited StatesUnited StatesPublicly listed$24B$3B$85B3.7x
VerkadaUnited StatesSan Francisco, CAPrivate--$5.8B-
ZaiNarUnited StatesSan Francisco, CAPrivate--$1B-
TractianUnited StatesUnited StatesPrivate--$720M-
proteanTecsIsraelHaifaPrivate$60M-$600M10.0x
SamsaraUnited StatesUnited StatesPublicly listed$1.6B($29M)$23B12.0x

R-Zero Public Comps

R-Zero is still privately-owned, but its public comps include Amphenol, Foxconn Industrial Internet, Hitachi, Keyence, Trane Technologies, Johnson Controls, Lumentum, Honeywell, TE Connectivity and CRH.

Last FYEV/RevenueEV/EBITDA
RevenueEBITDALast FYLTM2027ELast FYLTM2027E
Amphenol$23B$6.9B9.0x6.5x30.0x19.8x
Foxconn Industrial Internet$135B$7.7B1.4x0.9x23.8x16.6x
Hitachi$68B$11B2.2x2.2x13.8x13.5x
Keyence$7.5B$4.1B14.5x13.2x26.6x24.5x
Trane Technologies$21B$4.3B4.5x4.2x22.6x20.6x
Johnson Controls$24B$3B4.0x3.7x31.0x20.0x
Lumentum$3B($6.9B)26.2x21.3x(11.4x)56.6x
Honeywell$37B$7.8B2.4x3.6x11.6x16.1x

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Common questions about R-Zero

When was R-Zero founded?R-Zero was founded in 2020.
Where is R-Zero headquartered?R-Zero is headquartered in San Francisco, CA, United States.
Is R-Zero publicly listed?No, R-Zero is a private, VC-backed company.
How much funding has R-Zero raised?R-Zero has raised $170M across 3 funding rounds.
What was R-Zero's last funding round?R-Zero's last funding round was a $105M Series C in February 2023, led by La Caisse.
Who are R-Zero's investors?R-Zero's investors include DBL Partners, SOSV, John Doerr, World Innovation Lab, Bedrock, Qualcomm Ventures, Swiftarc Ventures, La Caisse, Mayo Clinic Ventures, Civilization Ventures and 3 others.
Which companies are comparable to R-Zero?Companies comparable to R-Zero include Johnson Controls, Verkada, ZaiNar, Tractian, proteanTecs and Samsara.
How many companies has R-Zero acquired?R-Zero has acquired 2 companies, including SecureAire and CoWorkr.

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