# Rainmatter Foundation

> Rainmatter Foundation is a VC fund in Bengaluru backing Manufacturing and Renewable Energy. See 7 investments, check sizes, portfolio. Updated Aug 2026.

- Type: VC Fund
- Location: Bengaluru, India
- Total investments: 7
- Last investment: Jun 2026
- Lead investor: 14%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/rainmatter-foundation
- Website: https://rainmatter.org

Rainmatter Foundation is a VC fund in Bengaluru focused on Manufacturing and Renewable Energy. Rainmatter Foundation supports fellowships and organizations in solving problems related to climate change.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $2.3M–$4M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Manufacturing | 3 | 43% |
| Renewable Energy | 2 | 29% |
| Solar | 1 | 14% |
| Energy | 1 | 14% |
| Farming | 1 | 14% |

11 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 4 | 57% |
| Series A | 1 | 14% |
| Series B | 1 | 14% |
| Series C | 1 | 14% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| SolarSquare Energy | SolarSquare provides rooftop solar solutions for residential homes, housing societies, and commercial establishments, offering services that include system design, installation, maintenance, and financing support. The company manages the solar adoption process from site assessment and customized system design to installation, subsidy assistance,and ongoing system monitoring. It also offers a mobile application that allows customers to track electricity generation and system performance in real time. SolarSquare focuses on improving access to solar energy through standardized processes, engineering support, and maintenance services aimed at ensuring long-term system operation. The company serves customers across multiple cities in India and works to support the adoption of distributed solar power through rooftop installations. | $53M | Series C | Jun 12, 2026 |  |
| Naxatra Labs | Naxatra Labs is a cutting-edge technology business committed to creating cutting-edge electric car motor solutions. Naxatra Labs is leading the charge to transform electric mobility in India and abroad with an emphasis on performance, efficiency, and dependability. |  | Seed | Dec 23, 2024 |  |
| BluJ Aero | BluJ Aero's goal is to make aviation simpler and more sustainable. They are developing innovative Vertical Take-off and Landing (VTOL) technologies with the goal of drastically shortening the travel time for both cargo and people. | $2.3M | Seed | Jun 27, 2023 |  |
| Ossus Biorenewables | Ossus Biorenewables design intelligent electroactive microbial communities for selectively targeting and breaking down the dilute organic content of effluents for biohydrogen production. | $2.4M | Seed | Apr 05, 2023 |  |
| SolarSquare Energy | SolarSquare provides rooftop solar solutions for residential homes, housing societies, and commercial establishments, offering services that include system design, installation, maintenance, and financing support. The company manages the solar adoption process from site assessment and customized system design to installation, subsidy assistance,and ongoing system monitoring. It also offers a mobile application that allows customers to track electricity generation and system performance in real time. SolarSquare focuses on improving access to solar energy through standardized processes, engineering support, and maintenance services aimed at ensuring long-term system operation. The company serves customers across multiple cities in India and works to support the adoption of distributed solar power through rooftop installations. | $12.1M | Series A | Nov 03, 2022 |  |
| Akshayakalpa | Akshayakalpa is an organic food company that manufactures, sells, and markets organic milk products. It handholds the farmer on a continuous basis and ensures the economic viability of his farming operations. The company providing bank linkages, farmers outreach, and technical services and access to markets. Akshayakalpa organic product providesincluding Farm Fresh Milk, A2 Milk, Curd, Ghee, Butter, Paneer, and Artisan Cheese under the Akshayakalpa brand. They working with farmers in and grooming them to be entrepreneurs by transforming their farming operations from livelihood focused to wealth creation opportunity. It works with farmers to set up small organic dairy farms that are owned and looked after by farmer families. Akshayakalpa was founded in 2010 and is headquartered in Bengaluru, Karnataka, India. | $14.7M | Series B | Sep 08, 2022 |  |
| SolarSquare Energy | SolarSquare provides rooftop solar solutions for residential homes, housing societies, and commercial establishments, offering services that include system design, installation, maintenance, and financing support. The company manages the solar adoption process from site assessment and customized system design to installation, subsidy assistance,and ongoing system monitoring. It also offers a mobile application that allows customers to track electricity generation and system performance in real time. SolarSquare focuses on improving access to solar energy through standardized processes, engineering support, and maintenance services aimed at ensuring long-term system operation. The company serves customers across multiple cities in India and works to support the adoption of distributed solar power through rooftop installations. | $4M | Seed | Jun 09, 2022 |  |

7 of 7 investments shown.

## Co-investors
- [Lowercarbon Capital](https://shizune.co/investors/profile/lowercarbon-capital) — VC Fund, 6 deals together
- [Elevation Capital](https://shizune.co/investors/profile/elevation-capital-6e8a) — VC Fund, 5 deals together
- [Good Capital](https://shizune.co/investors/profile/good-capital-b0aa) — VC Fund, 3 deals together
- [Gruhas](https://shizune.co/investors/profile/gruhas-proptech) — VC Fund, 2 deals together
- [Rainmatter Capital](https://shizune.co/investors/profile/rainmatter-capital) — VC Fund, 2 deals together
- [B Capital](https://shizune.co/investors/profile/b-capital-group) — VC Fund, 1 deal together

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## FAQ

### What does Rainmatter Foundation invest in?

Rainmatter Foundation invests primarily in Manufacturing, Renewable Energy and Solar startups, most often at Seed and Series A stage. Most of the 7 investments tracked by Shizune back companies in India. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Rainmatter Foundation's check size?

Rainmatter Foundation typically joins rounds of $2.3M–$4M at Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Rainmatter Foundation participates in.

### When did Rainmatter Foundation last invest?

The most recent investment recorded for Rainmatter Foundation closed in Jun 2026. Shizune tracks 7 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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