Carbon13

Carbon13 builds and supports climate technology ventures through founder programmes, expert guidance and early-stage investment.

Official website

Funding opportunities

Venture Accelerator

Carbon13150–250k EURcloses 30 Sept 2026

An eight-week remote accelerator for UK- or EU-registered climate startups, with a chance to pitch for €150,000–€250,000 of pre-seed investment.

Venture Builder Berlin

Carbon13European Union150k EURunavailable

A three-phase programme for EU-resident individuals to find co-founders and build an emissions-cutting startup, with selected teams offered €150,000 in equity investment.

Venture Builder Cambridge

Carbon13England

A three-phase programme for individuals to find co-founders and build a climate-tech startup, with selected teams considered for equity investment.