National Climate Tech Accelerator

Sustainable Ventures & Barclays Eagle Labs

Information last verified: April 2026

Stage

Idea / pre-product, MVP / early product, Early revenue, Scaling

Location

London, North West, Yorkshire, North East

Equity

No equity taken

Cost

Free

Delivery

Virtual

Cleantech

Idea / pre-productMVP / early productEarly revenueScaling

Joint programme from Sustainable Ventures (Europe's largest climate tech ecosystem, 850+ startups supported) and Barclays Eagle Labs, launched December 2025. Free virtual accelerator for UK-registered climate and sustainability startups at any stage, with tiered support tracks. Delivers commercial and technical support, access to both organisations' learning platforms, up to $250k in Google Cloud credits, and connections to Barclays Sustainable Impact Capital (mandate to invest up to £500M in climate tech by 2027). Sustainable Ventures also runs a separate 12-month equity-backed Accelerator investing £150k-£350k per company (SA fund, currently on 8th fund). Workspaces in London, Manchester, Glasgow and Cambridge.

Why this programme

Raise funding

Connection to Barclays Sustainable Impact Capital and £500M climate tech investment mandate; equity-backed SA fund (£150k-£350k) for deepest-stage companies

Access to mentors / operators

1:1 mentorship from climate tech experts covering product development, IP, grant applications and business development

Build product / validate MVP

Dedicated grant-writing service, R&D cost reclaim support and technical consultancy through Sustainable Ventures' in-house team

Find customers / partnerships

Access to corporate partner network, Barclays Eagle Labs' national ecosystem and 650+ annual community events across four hub cities

Scale & grow

Connection to Barclays Sustainable Impact Capital and its £500M climate tech mandate provides a direct scaling path for climate startups

Interested in National Climate Tech Accelerator?

Head to their website for current cohort dates and how to apply.

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