92 active accelerators, incubators, grants and VCs across the UK. We check them weekly and flag the deadlines closing soon.
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Run by: Imperial College London·Backed by: Imperial College London
£100K prizes — no equity
Seed-stage startups with deep technology from Imperial College London research or the broader Imperial ecosystem. Focus on hard science and engineering.
3-month programme (Aug-Nov 2026) for Imperial students/alumni/ECRs; 25 teams; £100k prize fund
Run by: SETsquared Partnership·Backed by: University of Bristol, Bath, Surrey, Exeter, Southampton
£172-£230/month membership fee — no equity
Tech startups in the South West of England. Preference for deep tech, cleantech, healthtech, and space. Pre-seed to seed stage.
270 members; £500M+ raised; ranked #1 UK university incubator by FT
Run by: Bethnal Green Ventures (BGV)
£60K (+ £1M follow-on fund access) for 7%
Tech for good startups tackling climate, health, democracy, or economic justice. Early stage — idea to MVP. Diverse founding teams strongly encouraged.
Early-stage tech-for-good VC; 209 portfolio companies; Spring 2026 cohort of 12
Run by: Barclays / Sustainable Ventures·Backed by: Barclays
None (no cash) — no equity
Climate and sustainability startups with scalable technology. Focus on net-zero solutions: energy, transport, built environment, agriculture, or circular economy.
National Climate Tech Accelerator (Barclays Eagle Labs + Sustainable Ventures)
Run by: Carbon13
€150K-€250K for 4-7%
Climate tech founders with deep technical or domain expertise. Must be committed to building ventures that can reduce greenhouse gas emissions by at least 100 MtCO₂e/year.
Rolling applications; next cohort starts 4 May 2026; 7-week sprint + 12-month growth; €150-250k pre-seed for ~1% via SAFE
Run by: Carbon13
£120K for ~10%
Individuals with relevant expertise to build climate ventures from scratch. Scientists, engineers, and operators passionate about decarbonisation.
8-month co-founder-matching programme; next cohort end April 2026; £150k pre-seed
Run by: Innovate UK·Backed by: UKRI / UK Government
£50K-£2M grants — no equity
UK-based innovative businesses with strong IP, validated technology (TRL 5+), and a clear path to commercial scaling. All sectors, £25K–£50K grants.
Rolling/continuous funding for early-stage UK businesses; most recent round closed Feb 2026
Run by: Tramshed Tech·Backed by: Barclays Eagle Labs
Free — no equity
Green technology and sustainability startups in Wales. Renewable energy, circular economy, sustainable agriculture, or environmental tech.
12-week accelerator for environmentally focused startups; applications currently closed