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R

Companies Starting with R

25 funded companies found

Total Companies
25
Total Funding
$224.6M
Industries
18

Companies

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Artificial Intelligence (AI)
Redwood City, United States

Rain AI develops an energy-efficient hardware for artificial intelligence (AI) applications.

$8.1M raised
May 2024
Biotechnology
Raleigh, United States

RainBio, a pioneer in ocular gene therapy, focuses on corneal blindness.

$250K raised
Jul 2021
Artificial Intelligence (AI)
Norwich, United Kingdom

The AI Decision Automation platform for regulated use cases.

Sep 2022
Consulting
San Francisco, United States

Rainbow offers insurance to small enterprises, beginning with eateries.

$8.0M raised
Jan 2025
Asset Management
New York, United States

Rainbow is a mobile app of Ethereum wallet for managing your assets.

Oct 2021
Cannabis
Paris, France

Rainbow is a cannabis tech startup.

$2.4M raised
Jul 2021
Agriculture
Gent, Belgium

Rainbow Crops is a next-generation Agtech company developing climate-resilient, high-performing crop varieties.

$11.2M raised
Jun 2026
Delivery
Middletown, United States

Revolutionizing warehouse robotics with advanced navigation, boosting ROI for E-Commerce, Logistics, and Delivery.

$350K raised
Jun 2023
Cannabis
Great Neck, United States

Rainbow Realty Group is a real estate investment firm that focuses on the cannabis sector.

$9.7M raised
Oct 2025
Artificial Intelligence (AI)
Warszawa, Poland

Rainbow Weather uses artificial intelligence to give accurate and rapid weather forecasts.

$5.5M raised
Jan 2026
Financial Services
San Juan, Puerto Rico

Democratizing access to financial resilience in the face of natural disasters.

$150K raised
Jun 2024
Application Performance Management
San Francisco, United States

Raindrop is an AI software company that develops observability and reliability tools for AI agents and applications.

$15.0M raised
Sep 2026
Artificial Intelligence (AI)
Zug, Switzerland

Rainfall is a privacy-preserving intelligence platform that uses Edge-AI and Web3 technology to unlock the economic value from your data.

$1.0M raised
May 2022
Health Care
Berkeley, United States

Rainfall Health was established to help bridge the gap in providing access to quality healthcare in medical deserts.

$15.0M raised
Feb 2026
Cloud Data Services
Lehi, United States

RainFocus is an event marketing platform that simplifies management, personalizes experiences, and consolidates data for events.

Sep 2021
Financial Services
Atlanta, United States

Rainforest focuses on providing software platforms for payment processing.

$29.0M raised
Sep 2025
Environmental Consulting
Katy, United States

RFCx has developed acoustic tech to protect rainforests from illegal logging & monitor biodiversity to better inform conservation efforts.

$500K raised
Dec 2023
E-Commerce
Singapore, Singapore

Rainforest buys e-commerce brands and grows them with a focus on long-term success.

Dec 2024
Cloud Security
Wilmington, United States

Application risk-based prioritization to give your team the confidence to scale securely without slowing down productivity.

$470K raised
Feb 2025
Drone Management
Alameda, United States

Every wildfire starts small. Rain contains wildfires within 10 minutes of ignition with autonomous drones.

$9.7M raised
Sep 2023
CleanTech
El Segundo, United States

Rainmaker develops cloud-seeding technology designed to increase precipitation and support water-resource management.

$100.0M raised
Sep 2026
Apps
New York, United States

Rainmaker is a fully self-custodial cryptocurrency wallet.

$500K raised
Apr 2023
Gaming
Austin, United States

Rainmaker Games offers a new and interesting way to invest in a portfolio of GameFi NFTs that can be used to earn blockchain games.

$4.7M raised
Dec 2022
Consulting
New York, United States

Rainmaker Holdings is a financial firm offering film financing, real estate investments, credit, personal finance, and business development.

$113K raised
Jan 2024
Artificial Intelligence (AI)
La Mézière, France

RainPath AI is a digital pathology startup specializing in AI-powered virtual staining technology for human tissue analysis.

$2.9M raised
Jul 2025
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