COMPANY INFO
Rainmaker Worldwide Inc. is a public company founded by Michael O'Connor, who serves as CEO and Chairman. Founded in 2003, it operates in the renewables and environment industry, focusing on producing safe drinking water through sustainable technologies. The company has between 11 and 50 employees and is headquartered in Peterborough, Ontario, Canada. Rainmaker Worldwide has deployed over 1,200 water systems in more than 40 countries, aiming to address the global water crisis with innovative, decentralized water treatment solutions (rainmakerww.com).
Rainmaker Technology Corporation is a pioneer in the climate technology and product manufacturing industry, founded in 1998. Headquartered in Las Vegas, Nevada, the company develops advanced, sustainable solutions for safe drinking water production, leveraging innovative cloud-seeding and decentralized water treatment technologies. Serving clients worldwide, Rainmaker’s mission is to address the global water crisis through scalable, eco-friendly approaches. The company is led by CEO Michael O’Connor and has a workforce of around 19 employees.
Rainmaker Technology Corporation’s funding journey reflects its ambitious vision for global water sustainability. To date, Rainmaker has raised a total of $31.3 million over 2 funding rounds. The latest round, a Series A completed in May 2025, brought in $25 million, fueling expansion into municipal and industrial applications of their cloud-seeding drone technology. The earlier Seed round in May 2024 secured $6.3 million to launch and develop Rainmaker’s precipitation enhancement technologies. Key investors include notable climate- and tech-focused venture capital firms, highlighting strong belief in Rainmaker’s approach to water resource management and climate resilience.
This Series A round was aimed at expanding Rainmaker’s cloud-seeding drone technology into broader municipal, government, agricultural, and recreational sectors, including collaborations with farms, utilities, and ski resorts.
This Seed funding supported the initial launch and development of Rainmaker’s precipitation enhancement technology, laying the groundwork for scalable water resource solutions.
Lowercarbon is a leading climate-focused venture capital firm, serving as lead investor in Rainmaker’s Series A round. Their involvement underscores a strong commitment to innovative environmental technologies and helps position Rainmaker as a key player in sustainable water provisioning.
Starship Ventures participated in Rainmaker’s Series A round. As a supporter of breakthrough science and technology ventures, their investment provides strategic guidance and access to climate innovation networks.
Long Journey Ventures was a lead investor in Rainmaker’s Seed round, supporting the company’s initial technology deployment and growth. Their contribution has been instrumental in the company’s successful product launch.
Day One Ventures also led the Seed investment, helping Rainmaker develop and commercialize its water enhancement solutions. Their active involvement adds value and credibility to Rainmaker’s early-stage momentum.
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