European venture capital fund
Longwall Ventures 4 Longwall Ventures 4 is a Harwell-based venture capital fund managed by Longwall Ventures. €99.5m reported at first close (source published May 2026).
Back early-stage UK deep tech companies with GBP 500k to 2m initial cheques into 14 to 16 companies, reserving capital for follow-ons.
Status First Close
Reported amount €99.5m
Manager Longwall Ventures
Headquarters Harwell, United Kingdom
Stages Pre-Seed, Seed
Sectors Deep Tech
Investment geography UK
Source published May 2026 Amounts come from the linked public source. A first close is not the final fund size, and a reported close does not confirm that the fund is investing now. Headquarters describe where the manager is based, not where it invests.
All funds News Who it is for Methodology Contact Guides + − Not investment advice. Based on public sources; confirm current details with the manager.
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