Top Clean Energy Accelerators & VCs (2026)

We support startups by providing access to capital, market, community and expertise in four domains

Unleashing European Tech Founders

A London-based award-winning investor focused on B2B companies in the industrial high-tech, energy, circular economy, smart cities and transportation sectors and healthcare

Grace - Accelerate Female Entrepreneurship

Supporting gender-diverse greentech innovation in Europe

Social Enterprise Accelerator

Actionable expertise to help impact entrepreneurs take their ideas to market.

Support to take innovations from benchtop to prototype or demonstrator scale.

Our TechX Clean Energy Accelerator is an intensive 15-week programme for 12 innovative clean energy start-ups with clear potential to accelerate the transition to an affordable net zero energy industry.

A high-tech hub for startups in Materials Science, powered by SAES. A tailored program for scientists, engineers and inventors. A new way to grow your deep-tech innovations.

Do you have an idea to make your community more resilient, equitable, & sustainable? The Venture Fellows program is a 9-month hands-on experience – we invest in diverse innovators to pilot good ideas that help communities become more resilient in response to the impacts of climate change.