Investor profile
Longwall Venture Partners LLP
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Longwall Ventures is an early-stage venture capital and company-building firm focused exclusively on UK deeptech, turning scientific research into enduring global businesses since 2008. The firm backs companies in healthcare, life sciences, physical sciences, engineering, advanced manufacturing, clean energy, and defence — areas where deep technical fluency and patient capital are prerequisites. Longwall's own language captures its ethos: 'Great science doesn't emerge from the lab market-ready. Deep, emergent technology needs capital that understands the journey: from prototype to product, from first customer to category leader.' The firm focuses on health, resilience, and sustainability, preferring B2B opportunities with global ambitions, and takes a hands-on, long-term partnership approach with its portfolio companies.
Notable quotes
“The UK's strong research base across academia and industry has created a rich seam of opportunities to turn groundbreaking science into valuable businesses but these businesses often struggle to raise long-term capital to support them on their journey to commercialisation.”
“Deep, emergent technology needs capital that understands the journey: from prototype to product, from first customer to category leader.”
Recent investments
| Company | Round | Size | Date |
|---|---|---|---|
| Lightcast Discovery | Series B | $49m | 2026-02-17 |
| OrganOx | Series F | $142m | 2025-02-24 |
| Kinomica | Series A | — | 2024-07-24 |
| Biofidelity | Series A | $24m | 2024-04-03 |
| Wayland Additive | Seed | $5m | 2024-01-23 |
| Oxford Space Systems | Series A | — | — |
| Caristo Diagnostics | Seed | — | — |
| Helio Display Materials | Seed | — | — |
| Lettus Grow | Seed | — | — |
| Arquer Diagnostics | Seed | — | — |
Frequent co-investors
| VC firm | Deals together |
|---|---|
| Parkwalk Advisors | 4 |
| BGF | 3 |
| Oxford University Innovation | 2 |
| ACF Investors | 2 |
| Innovate UK / UKRI | 2 |
| Europa | 2 |
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