# RapidSOS

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/rapidsos

- Industry: Software
- Headquarters: New York, US
- Website: www.rapidsos.com
- Total disclosed funding: $409M
- Latest round: Series D (Nov 18, 2025)
- Investors on record: 38

## About

Based in the US, RapidSOS, Inc. operates as a technology company focused on enhancing public safety through its innovative HARMONY platform, which provides first responders with critical emergency data in real-time.RapidSOS, Inc. is a technology firm dedicated to improving emergency response by supplying first responders with vital data through its HARMONY platform. Founded in 2012 in New York, US. In November 2025, RapidSOS, Inc. raised USD 100 million in series D funding led by Apax Partners, with participation from Noa, LocalGlobe, Latitude, Hamilton Lane, Group 11, FinTLV Ventures, and CIM Group. The company's CEO is Michael Martin, who has a history of leadership in tech ventures. RapidSOS primarily offers its HARMONY platform, an advanced artificial intelligence solution designed to enhance public safety by providing first responders with critical emergency data in real-time. This platform consolidates information from various sources, including telematics and personal safety applications, to deliver actionable insights during emergencies. HARMONY AI features emergency detection, verification, and escalation, aimed at improving response times for 911 professionals. The company serves public safety agencies, corporate security organizations, and related service providers, operating in markets such as the United States and Canada, to enhance emergency response capabilities.RapidSOS generates revenue primarily through a subscription-based model, allowing public safety agencies and enterprises access to its HARMONY platform and its services. Customers typically enter contracts that provide ongoing access to the platform, along with tailored support. The revenue structure includes partnerships with corporate clients leveraging RapidSOS services to enhance emergency response. Pricing details are not disclosed, but clients likely have various service tiers based on the scale of operations and data integration complexity. The company plans to utilize the November 2025 funding to grow its safety network, enhance collaboration among emergency response processes, further develop AI solutions for managing emergencies, and broaden its presence in international markets.

## Funding rounds

- Series D, Nov 18, 2025, $100M — Apax Partners, Hamilton Lane, CIM Group, Group 11, LocalGlobe, FinTLV Ventures, Noa, Latitude
- Series C, Mar 5, 2024, $75M — BlackRock, Manhattan Venture Partners, NightDragon, Acrew Capital, Harmonic Growth Partners, BAM Elevate
- Series C, Aug 23, 2022, $50M — Highland Capital Partners, Insight Partners, Honeywell International Inc., Forte Ventures, Citi Ventures, C5 Capital, M12, Playground Global, LLC, NightDragon, Axon Enterprise, Inc., Avanta Ventures, BAM Elevate
- Series C, Feb 23, 2021, $35M — Insight Partners
- Series C, Dec 29, 2020, $51M — Highland Capital Partners, Insight Partners, Two Sigma Investments, The Westly Group, City Light Capital, Motorola Solutions Venture Capital, M12, Dorm Room Fund, Alumni Ventures Group, Playground Global, LLC, Energy Impact Partners, The Yard Ventures
- Series C, Jun 10, 2020, $21M — C5 Capital, Transformation Capital, Laerdal Million Lives Fund
- Series B, Sep 23, 2019, $17M — Energy Impact Partners
- Series B, Oct 22, 2018, $30M — Highland Capital Partners, CSAA Insurance Group, Two Sigma Investments, The Westly Group, Forte Ventures, M12, Alumni Ventures Group, Playground Ventures
- Series B, Apr 18, 2018, $16M — Highland Capital Partners, CSAA Insurance Group, Forte Ventures, M12, Alumni Ventures Group
- Series A, Apr 25, 2017, $14M — Highland Capital Partners, Two Sigma Investments, The Westly Group, Motorola Solutions Venture Capital, Responder Ventures, A3Ventures
- Seed, Dec 22, 2016 — City Light Capital

## Investors

- City Light Capital (https://capitalatlas.ai/funds/city-light-capital) — Seed, Series C
- Highland Capital Partners (https://capitalatlas.ai/funds/highland-capital-partners) — Series A, Series B, Series C
- Two Sigma Investments (https://capitalatlas.ai/funds/two-sigma-investments) — Series A, Series B, Series C
- The Westly Group (https://capitalatlas.ai/funds/the-westly-group) — Series A, Series B, Series C
- Motorola Solutions Venture Capital (https://capitalatlas.ai/funds/motorola-solutions-venture-capital) — Series A, Series C
- Responder Ventures (https://capitalatlas.ai/funds/responder-ventures) — Series A
- A3Ventures (https://capitalatlas.ai/funds/a3ventures) — Series A
- CSAA Insurance Group — Series B
- Forte Ventures (https://capitalatlas.ai/funds/forte-ventures) — Series B, Series C
- M12 (https://capitalatlas.ai/funds/m12) — Series B, Series C
- Alumni Ventures Group (https://capitalatlas.ai/funds/alumni-ventures-group) — Series B, Series C
- Playground Ventures (https://capitalatlas.ai/funds/playground-ventures) — Series B
- Energy Impact Partners (https://capitalatlas.ai/funds/energy-impact-partners) — Series B, Series C
- C5 Capital (https://capitalatlas.ai/funds/c5-capital) — Series C
- Transformation Capital (https://capitalatlas.ai/funds/transformation-capital) — Series C
- Laerdal Million Lives Fund (https://capitalatlas.ai/funds/laerdal-million-lives-fund) — Series C
- Insight Partners (https://capitalatlas.ai/funds/insight-partners) — Series C
- Dorm Room Fund (https://capitalatlas.ai/funds/dorm-room-fund) — Series C
- Playground Global, LLC — Series C
- The Yard Ventures — Series C
- Honeywell International Inc. — Series C
- Citi Ventures (https://capitalatlas.ai/funds/citi-ventures) — Series C
- NightDragon (https://capitalatlas.ai/funds/nightdragon) — Series C
- Axon Enterprise, Inc. — Series C
- Avanta Ventures (https://capitalatlas.ai/funds/avanta-ventures) — Series C
- BAM Elevate (https://capitalatlas.ai/funds/bam-elevate) — Series C
- BlackRock (https://capitalatlas.ai/funds/blackrock) — Series C
- Manhattan Venture Partners (https://capitalatlas.ai/funds/manhattan-venture-partners) — Series C
- Acrew Capital (https://capitalatlas.ai/funds/acrew-capital) — Series C
- Harmonic Growth Partners (https://capitalatlas.ai/funds/harmonic-growth-partners) — Series C
- Apax Partners (https://capitalatlas.ai/funds/apax-partners) — Series D
- Hamilton Lane (https://capitalatlas.ai/funds/hamilton-lane) — Series D
- CIM Group (https://capitalatlas.ai/funds/cim-group) — Series D
- Group 11 (https://capitalatlas.ai/funds/group-11) — Series D
- LocalGlobe (https://capitalatlas.ai/funds/localglobe) — Series D
- FinTLV Ventures (https://capitalatlas.ai/funds/fintlv-ventures) — Series D
- Noa (https://capitalatlas.ai/funds/noa) — Series D
- Latitude (https://capitalatlas.ai/funds/latitude) — Series D