Longwall Venture Partners LLP
Venture capitalHarwell · Seed–Series A · 6 people tracked
Investment thesis
Longwall Venture Partners provides early-stage venture capital and company-building support for UK deeptech, helping turn scientific research into enduring global businesses. The firm emphasizes patient capital and technical fluency, recognizing that deep, emergent technology requires investors who understand the long journey from prototype to product and from first customer to category leader. Longwall works closely and deliberately with founders from day one, prioritizing customer engagement and avoiding over-engineering. Active since 2008, it positions itself as a long-term partner willing to back ambitious hard-science ideas that other investors underestimate.
Source: firm website, verified Aug 3, 2026.
Team · 6 people
from the firm's website & public directories
What they invest in
from 7 of 14 portfolio companiesBiotech ×6Deep Tech ×4Healthtech ×3Hardware ×2Medical Devices ×2Advanced Manufacturing ×1AI & Machine Learning ×1Digital Health ×1
Investments · 14 tracked
founders shown can be your intro pathBiofidelity develops genomic biomarker testing technologies—its Aspyre and Enspyre products—for cancer detection, treatment selection, and minimal residual disease monitoring.
BiotechHealthtechMedical Devices
Kinomica develops KScan, a phosphoproteomic diagnostic platform that analyzes which proteins and signaling pathways are activated to guide treatment selection for patients and support the discovery of new drug targets.
BiotechDeep TechDigital Health
Enables lower launch costs and scalable capabilities for civil and defence space applications.
Verdel Instruments develops total correlation mass spectrometry (TOC-MS), a method using stored waveform ion radius modulation (SWIM) to generate MS/MS data for every analyte in a complex mixture.
BiotechDeep TechHardware
Wayland Additive develops metal additive manufacturing systems using its NeuBeam electron beam process, offered through its Calibur3 machine as an alternative to L-PBF and traditional eBeam systems.
Advanced ManufacturingHardwareNew Materials
Portfolio news
latest coverage across their companiesLightcast · kb.lightcast.io · Jul 2, 2026
Principals & officers · per Companies House
what is this? ⓘLLP designated member · since 2017
LLP designated member · since 2011
LLP designated member · since 2011
David James Edmonds Denny — 25–50% of voting rights, right to share surplus assets 25 to 50 percent limited liability partnership
Matthew Gerard Winston Frohn — 25–50% of voting rights, right to share surplus assets 25 to 50 percent limited liability partnership
Jane Elizabeth Burgoyne — 25–50% of voting rights, right to share surplus assets 25 to 50 percent limited liability partnership
Frequently asked questions
- What stage does Longwall Venture Partners LLP invest at?
- Longwall Venture Partners LLP invests at the Seed, Series A stages.
- What is Longwall Venture Partners LLP's typical check size?
- Longwall Venture Partners LLP typically writes checks of $2M.
- What sectors does Longwall Venture Partners LLP focus on?
- Longwall Venture Partners LLP focuses on Biotech, Deep Tech, Hardware, Healthtech, IoT, Medical Devices, New Materials, SaaS.
- Where is Longwall Venture Partners LLP located?
- Longwall Venture Partners LLP is headquartered in Harwell, GB.
- Does Longwall Venture Partners LLP lead rounds?
- Yes, Longwall Venture Partners LLP leads investment rounds.
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