Investors / United Kingdom / Longwall Ventures
Longwall Ventures
Venture capital · Harwell, United Kingdom · Europe
Longwall Ventures is an early-stage venture capital firm that invests in UK deeptech companies and works hands-on with founders to build them into global businesses. It has been turning research into companies since 2008 and provides company-building support alongside capital.
Invests inHealthcare & BiotechAI & Machine Learning
In its own wordsdeeptechhardwarelife sciencesphysical sciencesdeep techuk
Your fit with Longwall Ventures
Four questions about your startup
See how your round matches what it backs, point by point.
Or find every investor that fitsLongwall Ventures lists 18 checked portfolio companies on its own site and is named in 1 funding round. Its most frequent entry is Series B, 100% of the companies with a known first round. Its largest themes are Healthcare & Biotech (38%), AI & Machine Learning (33%) and Industrial & Manufacturing (8%). 64% of its companies are based in United Kingdom. It invests most often alongside Oxford Investment Consultants, Perivoli Innovations Venture Investment Trust and BGF.
Counts come from funding rounds that name Longwall Ventures, complete from mid-2025: earlier rounds appear only when they were reported later. Round amounts and full round histories are on Fundup AI.
Round figures show recent activity, not Longwall Ventures' whole history. Rounds on record name 1 company; its own site lists 18. Funding rounds are complete from mid-2025, so counts and the yearly trend undercount a firm that invested before then. The portfolio, themes and places come from its own site and are not affected.
Entry stage
share of companies by the stage of its first roundShow as a table
| Value | |
|---|---|
| Pre-seed | 0% |
| Seed | 0% |
| Series A | 0% |
| Series B | 100% |
| Growth | 0% |
Activity by year
rounds it joined, last 10 yearsShow as a table
| Total | Rounds it led | |
|---|---|---|
| '17 | 0 | 0 |
| '18 | 0 | 0 |
| '19 | 0 | 0 |
| '20 | 0 | 0 |
| '21 | 0 | 0 |
| '22 | 0 | 0 |
| '23 | 0 | 0 |
| '24 | 0 | 0 |
| '25 | 0 | 0 |
| '26 | 1 | 0 |
Investor profile
percentile among all firmsShow as a table
| Measure | Percentile of all firms | Value |
|---|---|---|
| Portfolio size | 46th | 18 companies |
| Recent activity | 59th | 1 rounds in 12 months |
| Early stage | 54th | 0% of entries at pre-seed or seed |
| Evidence | 65th | 6% of companies confirmed by a round |
| Sector focus | 70th | 38% in its largest sector |
| Reach | 58th | 3 countries |
Investment themes
share of its checked companiesThis firmAll checked companies
Show as a table
| This firm | All checked companies | |
|---|---|---|
| Healthcare & Biotech | 38% | 15% |
| AI & Machine Learning | 33% | 18% |
| Industrial & Manufacturing | 8% | 7% |
| Education | 8% | 7% |
| Fintech | 4% | 12% |
| Cybersecurity | 4% | 4% |
| Food & Agriculture | 4% | 3% |
Its portfolio companies
where they are based, and what their own sites showSite status
- Site answers18100%
- No longer answers00%
- Points to another company00%
- Parked or sold domain00%
A site that stops answering three checks in a row is counted as no longer answering; that is not proof of closure. A site that points to another company is often an acquisition.
Invests most often with
firms sharing its portfolio companiesShow as a table
| Share | |
|---|---|
| Oxford Investment Consultants | 8 |
| Perivoli Innovations Venture Investment Trust | 4 |
| BGF | 3 |
| Future Planet Capital | 3 |
| Angel CoFund | 2 |
| +ND Capital | 1 |
| 2048 Ventures | 1 |
| ARCH Venture Partners | 1 |
Co-investor network
who it backs companies with, and who they back togetherAll co-investors or Compare portfolios with Oxford Investment Consultants
Compare Longwall Ventures head to head
portfolio size, rounds, entry stages, themes and the companies both backThree or more firms at once: portfolio overlap.
Recent portfolio activity
when companies last raised with Longwall Ventures| Date | Company | Stage |
|---|---|---|
| 15 Apr 2026 | Series B |
Round details for Longwall Ventures
Amounts, full round histories and every co-investor in Longwall Ventures' rounds are on Fundup AI. VCinfo covers investors and their portfolios.
Portfolio
18 companies checked against their own sites| Company | What it does | Themes | First round with it | Evidence |
|---|---|---|---|---|
| Abfero Pharmaceuticals is a clinical stage pharmaceutical company focused exclusively on iron as a therapeutic target. | Healthcare & Biotech | Portfolio page | ||
| Biofidelity makes genomic biomarker detection simple, fast and reliable, enabling more patients to get the right treatment at the right time. | Healthcare & Biotech | Portfolio page | ||
| Caristo Diagnostics develops and provides technology for cardiac disease diagnosis and prevention, including the CaRi-Heart technology to measure coronary inflammation and assess cardiovascular mortality risk. | Healthcare & Biotech | Portfolio page | ||
| Cobalt ID maps the network of beneficial owners, connected entities, and structural patterns to reveal business risk intelligence. | FintechCybersecurity | Portfolio page | ||
| Diamond Microwave manufactures high-performance microwave amplifiers for applications such as radar, communications and directed energy for terrestrial, airborne and space systems. | AI & Machine LearningAI & Machine Learning | Portfolio page | ||
| Keit develops and provides real-time process monitoring technology, including the IRmadillo analyzer, for various industries | Industrial & ManufacturingFood & Agriculture | Portfolio page | ||
| Kinomica is applying phosphoproteomics to cancer diagnostics and precision medicine | Healthcare & Biotech | Portfolio page | ||
| LettUs Grow is a UK-based agri-tech provider specialising in Advanced Aeroponics irrigation systems | AI & Machine LearningAI & Machine Learning | Portfolio page | ||
| The company develops a platform for single-cell functional analysis to accelerate discovery and apply novel biological insights in research and drug discovery. | Healthcare & Biotech | Apr 2026Series B | Page + round | |
| MFX is developing the Cyto Engine to accelerate cell and gene therapy development and manufacturing | Healthcare & Biotech | Portfolio page | ||
| The company continuously detects, localizes and quantifies methane emissions at facility level. | EducationEducation | Portfolio page | ||
| OrganOx develops technologies to enhance organ transplantation, including normothermic machine perfusion | Healthcare & Biotech | Portfolio page | ||
| Oxford Space Systems offers a portfolio of antennas aimed at improving performance, maximising stowage efficiency and minimising mass for space based services. | AI & Machine LearningAI & Machine Learning | Portfolio page | ||
| Portfolio page | ||||
| Oxford Photovoltaics develops and manufactures perovskite tandem solar technology for various applications | AI & Machine LearningAI & Machine Learning | Portfolio page | ||
| OxSonics is a clinical-stage therapeutics company developing a platform technology to enhance the delivery of anti-cancer drugs into solid tumours. | Healthcare & Biotech | Portfolio page | ||
| Verdel Instruments brings Q-2DMS technology to existing QToF platforms, helping researchers retain and resolve more information from every sample. | Healthcare & Biotech | Portfolio page | ||
| Wayland Additive exists to make eBeam additive manufacturing more effective and accessible to industry for a broader range of applications. | Industrial & Manufacturing | Portfolio page |
About this data
site last read 5 Nov 2026- Site
- longwallventures.com
- Last read
- 5 Nov 2026
- Watching since
- 5 Nov 2026
- Rounds since
- 15 Apr 2026
- Companies checked
- 18
Rates come from what VCinfo has observed since observation_start. Firms tend to remove companies that closed, so early rates understate reality. A company leaving a portfolio page does not mean it closed or exited. An unreachable site means our checks failed, nothing more.
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