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Rainmaker

Energy · Los Angeles, United States · Founded 2023

Pioneering scalable cloud seeding solutions to address global freshwater scarcity MoreLess

Rainmaker Holland specializes in decentralized and sustainable water production technology. The company manufactures systems that generate clean drinking water from two primary sources: humidity in the air (air-to-water) and non-potable water sources like seawater or contaminated water (water-to-water) through an energy-efficient membrane distillation process.

Their business model focuses on providing these solutions to a range of clients, including government agencies, military institutions, and communities in water-scarce regions. Rainmaker offers containerized, mobile units designed for emergency relief situations, capable of supplying thousands of liters of drinking water daily. The technology is scalable and can be powered by renewable energy sources, making it suitable for off-grid, decentralized applications. The company generates revenue through the sale and implementation of these water production units.

Keywords: water technology, air-to-water, water-to-water, desalination, membrane distillation, emergency relief, sustainable water, decentralized water, off-grid water, renewable energy

Company overview

Rainmaker company information

The essential company record, classifications and operating signals in one place.

Status
Operational
Founded
2023
Headquarters
Los Angeles, United States
Employees
104
Open positions
None listed
Dealroom signal
89.7
client focusb2btechnologyDeep Techbusiness modelManufacturingsectorHard TechsectorDT and LSsectorscience-basedindustryEnergy

Valuation & funding

Rainmaker funding history

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
SERIES AEquity / VC May 2025 $25M $100M Sovereign’s Capital · Naval Ravikant · Acequia Capital · 1517 Fund
SEEDEquity / VC May 2024 $6.3M $25M 1517 Fund · Champion Hill Ventures · Balaji Srinivasan · Day One Ventures
Showing 2 recorded eventsUnlock the complete deal history →

Financials

Workforce over time

Available workforce history. Financial fields without reported data are omitted.

YearEmployees
2026 108
2025 90
2024 25
Company filings, research estimates and Dealroom dataOpen the full financial model →

Growth signals

Rainmaker website traffic

Latest recorded traffic for Rainmaker is 110 monthly website visits, down 97.6% over the last three months. Rainmaker's team grew 15.6% over the past year.

Latest monthly visits110 3-month web change-97.6% 1-year team growth+15.6%
Monthly website visits12 observations · Apr 2024–Jun 2025
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Comparisons

Rainmaker compared with similar companies

Dealroom’s weighted taxonomy model identifies the closest operating peers. Company identity and context stay open; selected comparison metrics preview what is available in the platform.

Showing 8 of the closest matchesCompare every metric →

Talent graph

Rainmaker's talent

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Team profiled 6 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 1 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Investors

17 investors on Rainmaker's cap table

Sourced from Dealroom's funding and investor records. Investor profile links are shown where available.

Seed 7 investors entered at this stage
1517 Fund
Champion Hill Ventures
Balaji Srinivasan
Day One Ventures
Long Journey Ventures
Tamarack Global
Starship Ventures
Series A 6 investors entered at this stage
Lowercarbon Capital
Sovereign’s Capital
Naval Ravikant
Acequia Capital
Drover Ventures
Garry Tan
Other known 4 additional known investors
BBQ Capital
Brett Perlmutter
Deep Checks
Thiel Fellowship

Global footprint

Where Rainmaker has talent and traffic

Workforce by country
5 countries with
team presence
🇺🇸 United States92%
🇯🇴 Jordan4.5%
🇸🇦 Saudi Arabia1.1%
🇦🇪 United Arab Emirates1.1%
🇮🇳 India1.1%
5 countries shown

In the news

Latest news about Rainmaker

Recent press, funding announcements, and product moves mentioning Rainmaker — open to read from the original sources.

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Market sentiment

What the market is saying about Rainmaker

An AI-synthesized read of the highest-engagement posts about Rainmaker on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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