Three Cairns Group

Three Cairns Group is an investment and advisory organization focused on accelerating climate action. It develops and supports new organizations, platforms, and projects that advance climate solutions by providing strategic guidance and resources. The group makes direct investments, offers assistance to entrepreneurs, and serves as a limited partner in climate-focused funds, leveraging capital, networks, and expertise to back early-stage and growth ventures in the climate space.

Geraldine Alias

Managing Director

Daniel Hullah

Managing Director

6 past transactions

Crux

Series B in 2025
Crux is the capital markets technology company changing the way clean energy and manufacturing projects are financed in the U.S. Crux’s platform, market intelligence, and expert team help developers and manufacturers raise capital through all stages of project development and operation. The company’s first offering is the leading platform for tax credit transfers. Since its launch in 2023, Crux has raised more than $27 million in funding from venture capital and strategic investors. Crux’s world-class team brings together expertise from energy, tax, finance, government, and technology to power an abundant, resilient, and secure energy future. For more information, visit https://www.cruxclimate.com/.

Crux

Series A in 2024
Crux is the capital markets technology company changing the way clean energy and manufacturing projects are financed in the U.S. Crux’s platform, market intelligence, and expert team help developers and manufacturers raise capital through all stages of project development and operation. The company’s first offering is the leading platform for tax credit transfers. Since its launch in 2023, Crux has raised more than $27 million in funding from venture capital and strategic investors. Crux’s world-class team brings together expertise from energy, tax, finance, government, and technology to power an abundant, resilient, and secure energy future. For more information, visit https://www.cruxclimate.com/.

Crux

Funding Round in 2023
Crux is the capital markets technology company changing the way clean energy and manufacturing projects are financed in the U.S. Crux’s platform, market intelligence, and expert team help developers and manufacturers raise capital through all stages of project development and operation. The company’s first offering is the leading platform for tax credit transfers. Since its launch in 2023, Crux has raised more than $27 million in funding from venture capital and strategic investors. Crux’s world-class team brings together expertise from energy, tax, finance, government, and technology to power an abundant, resilient, and secure energy future. For more information, visit https://www.cruxclimate.com/.

Zhero

Venture Round in 2022
Zhero is a developer of green and clean energy projects based in Amsterdam, Netherlands. The company specializes in various areas, including renewables, hydrogen and its derivatives, interconnections, energy storage, and project repurposing. By focusing on these sectors, Zhero aims to assist clients in achieving net-zero carbon emissions and advancing global decarbonization objectives.

Trove

Series C in 2019
Trove is a technology company offering AI-powered tools for professional networking, email management, and a resale platform for brands and retailers. Its mobile email product uses artificial intelligence to reduce inbox overload, surface relationship insights, provide smart notifications, and snooze messages, integrating with existing email services and supporting iOS and Android. In parallel, Trove operates a resale platform that helps brands launch, manage, and scale resale programs, with storefront design, photography, authentication, cleaning and repair, returns processing, non-new inventory management, site building, Shopify integration, and analytics, plus in-store and digital trade-ins and peer-to-peer features. By combining AI-driven relationship mapping with a scalable resale ecosystem, Trove enables brands to deepen engagement, optimize profit, and reach new customers, and holds certification as a B Corporation for its sustainability-focused approach.

Trove

Series C in 2019
Trove is a technology company offering AI-powered tools for professional networking, email management, and a resale platform for brands and retailers. Its mobile email product uses artificial intelligence to reduce inbox overload, surface relationship insights, provide smart notifications, and snooze messages, integrating with existing email services and supporting iOS and Android. In parallel, Trove operates a resale platform that helps brands launch, manage, and scale resale programs, with storefront design, photography, authentication, cleaning and repair, returns processing, non-new inventory management, site building, Shopify integration, and analytics, plus in-store and digital trade-ins and peer-to-peer features. By combining AI-driven relationship mapping with a scalable resale ecosystem, Trove enables brands to deepen engagement, optimize profit, and reach new customers, and holds certification as a B Corporation for its sustainability-focused approach.
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