Momentum Capital
Cruquiusweg 111 R, Amsterdam, Noord-Holland, 1019 AG, The Netherlands
Overview
Momentum Capital is an entrepreneurial investment company investing outside the stock market by using the stockholders’ equity. The company invests and builds companies that contribute to innovative solutions to those problems. They have majority interests in companies in four focus in the sectors: energy, lighting, leisure, and urban. By doing so, the company contributes to solutions to major problems relating to energy consumption, housing, and leisure. In 2005, by Martijn van Rheenen started the firm in Amsterdam, Noord-Holland.
- Total investments
- 9
- Lead investments
- 4
- Investments · 12mo
- 8
- Active investors
- 2
Sector focus
- Finance
- Financial Services
- Impact Investing
Investment portfolio
- Circle Health
Led · Equity · Jul 2026
Circle Health builds a care coordination platform that pairs AI-driven workflow automation and clinical tools with human clinical teams to support documentation, care gap analysis, patient monitoring, care summaries, billing compliance, care workflows and quality assurance. The company was founded in 2022 by Chaitanya Shravanth, Prerna Raman, Harshvardhan Samvatsar and Krishna G and entered the US market in 2025. Circle began generating revenue by September 2025 and reached $1 million in ARR by April 2026, working across a network of more than 400 facilities. Its customers include physician groups and care facilities in both India and the United States. Management and investors say the product leverages operational data and an AI stack purpose-built for care execution, and the company reported $4–5M of revenue visibility from existing clients. Planned uses of the new capital include expanding the US sales organization, increasing the clinical workforce in the US and India, and further developing the company’s AI and technology platform.
- VoltSeal
Participated · Seed · Jun 2026
VoltSeal builds distributed energy infrastructure by installing lithium iron phosphate (LFP) battery energy storage systems at commercial and industrial customers and operating those assets through a centralized energy management and dispatch platform. The company plans to aggregate its installed batteries into virtual power plants (VPPs) to offer grid-balancing and energy flexibility services. VoltSeal targets improved grid reliability and optimization as renewable adoption grows. The startup recently raised $1.5 million in a pre-seed round led by Theia Ventures, with participation from Rainmatter by Zerodha, Momentum Capital, and Social Alpha. The funds are earmarked for deployments of BESS hardware and development of the centralized dispatch platform. No revenue, user, or valuation metrics were disclosed in the article.
- Fermeate
Participated · Seed · Apr 2026
Fermeate develops an optogenetics platform that uses light-sensitive proteins and AI-driven light patterns to control gene expression in microbial fermentation processes. The technology can be retrofitted into existing stainless-steel fermenters by recirculating culture through an external light-delivery device, enabling higher and more sustained productivity. Founded in 2024 by Kevin Xu, PhD, and Saurabh Malani, PhD, the company has partnerships with four global food and ingredient companies and reports up to a 200% increase in protein production in under six months, with potential for up to 10x gains. Fermeate has validated its approach on multiple industrial host strains, including conventional and non-conventional yeasts and bacteria. The company is generating revenue through several paid projects while exploring business models and aims to scale its tech to improve capital efficiency across biomanufacturing operations.
- Ecoil
Participated · Series A · Apr 2026
Founded in 2019 by Sushil Vaishnav and Kirti Vaishnav, ECOIL builds a tech-enabled collection and logistics network to aggregate used cooking oil from restaurants, hotels, and food businesses. The platform focuses on improving traceability, compliance, and aggregation of this feedstock for biodiesel and sustainable aviation fuel producers. ECOIL also works to organize a fragmented supply chain and integrate informal workers into a formal collection network. The company is scaling operations and strengthening its technology platform, with plans to expand into additional markets across India. Its business has attracted strategic and impact investors, including seed backing from Shell and participation from impact-focused funds in the Series A. No revenue or user metrics were disclosed in the article.
- Brisil Technologies
Led · Seed · Jan 2026
Founded in 2016 by Tanmay Pandya, Brisil Technologies is a climate-tech company that produces highly dispersible and precipitated silica from rice husk ash, an agricultural bio-waste. Its proprietary, zero-waste process replaces river sand and quartz, cutting greenhouse-gas emissions and enabling greener products such as low-friction tyres and more durable footwear. Brisil currently operates a commercial facility with a capacity of 400 tonnes of silica per month and services both domestic and international customers in the tyre and footwear sectors. The firm reports a monthly demand pipeline of about 6,000 tonnes and intends to scale capacity to 3,000–5,000 tonnes per month. Future plans include expanding its global footprint, particularly in Southeast Asia and Europe, and enlarging its team to support growth. By creating a circular economy for the silica industry, Brisil positions itself against incumbents like Solvay, Evonik, Tata Chemicals and Madhu Silica.