Investors / United Kingdom / Martlet Capital
Martlet Capital
Venture capital · Cambridge, United Kingdom · Europe
Martlet Capital is an early-stage investor based in Cambridge that provides patient capital to deep tech and life sciences B2B startups. Its operational VC business is owned and portfolio managed by EMV Capital, and it has invested in more than 75 start-ups since its launch in 2011.
Invests inHealthcare & BiotechIndustrial & ManufacturingAI & Machine Learning
In its own wordsdeep techlife sciencesb2buniversity spinoutsearly stageuk
Your fit with Martlet Capital
Four questions about your startup
See how your round matches what it backs, point by point.
Or find every investor that fitsMartlet Capital lists 46 checked portfolio companies on its own site. Its largest themes are Healthcare & Biotech (37%), Industrial & Manufacturing (21%) and AI & Machine Learning (19%). 93% of its companies are based in United Kingdom. It invests most often alongside EMV Capital, IQ Capital and The FSE Group.
No funding round on record names Martlet Capital yet, so the figures come from its portfolio page.
Round figures show recent activity, not Martlet Capital's whole history. Rounds on record name 0 companies; its own site lists 46. 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.
Investment themes
share of its checked companiesThis firmAll checked companies
Show as a table
| This firm | All checked companies | |
|---|---|---|
| Healthcare & Biotech | 37% | 15% |
| Industrial & Manufacturing | 21% | 7% |
| AI & Machine Learning | 19% | 18% |
| Fintech | 6% | 12% |
| Enterprise Software | 3% | 8% |
| Mobility & Logistics | 3% | 1% |
| Consumer | 3% | 3% |
| Space & Defense | 3% | 3% |
Invests most often with
firms sharing its portfolio companiesShow as a table
| Share | |
|---|---|
| EMV Capital | 37 |
| IQ Capital | 6 |
| The FSE Group | 6 |
| Angel CoFund | 5 |
| Amadeus Capital Partners | 4 |
| o2h Ventures | 4 |
| BGF | 3 |
| Deeptech Labs | 3 |
Investor profile
percentile among all firmsShow as a table
| Measure | Percentile of all firms | Value |
|---|---|---|
| Portfolio size | 81th | 46 companies |
| Recent activity | 46th | 0 rounds in 12 months |
| Early stage | 54th | 0% of entries at pre-seed or seed |
| Evidence | 52th | 0% of companies confirmed by a round |
| Sector focus | 68th | 37% in its largest sector |
| Reach | 58th | 3 countries |
Its portfolio companies
where they are based, and what their own sites showSite status
- Site answers4496%
- No longer answers00%
- Points to another company24%
- 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.
Co-investor network
who it backs companies with, and who they back togetherCompare Martlet Capital head to head
portfolio size, rounds, entry stages, themes and the companies both backThree or more firms at once: portfolio overlap.
Portfolio
46 companies checked against their own sites| Company | What it does | Themes | First round with it | Evidence |
|---|---|---|---|---|
| The company does organism level drug discovery | Healthcare & Biotech | Portfolio page | ||
| AllFocal Optics designs advanced optical technologies that deliver naturally sharp, comfortable digital imagery without glasses or contact lenses getting in the way. | Consumer | Portfolio page | ||
FintechAI & Machine Learning | Portfolio page | |||
| Axol Bioscience manufactures human induced pluripotent stem cell-derived cells and provides laboratory services for drug discovery and disease research | Healthcare & Biotech | Portfolio page | ||
| Cambridge GaN Devices develops and produces gallium nitride transistors and semiconductors | Industrial & Manufacturing | Portfolio page | ||
| Cambridge Nutraceuticals helps people live longer, healthier lives through scientifically proven health supplements | Healthcare & Biotech | Portfolio page | ||
| Camstent develops and applies bacterial-repelling coatings for medical devices | Healthcare & Biotech | Portfolio page | ||
| Converge develops and provides smart sensors and software solutions for monitoring concrete strength and temperature in real-time. | ConsumerIndustrial & Manufacturing | Portfolio page | ||
| Dogtooth Technologies develops and manufactures commercial robotic harvesting solutions for farmers | AI & Machine LearningAI & Machine Learning | Portfolio page | ||
| Echion Technologies develops and provides a niobium anode called XNO for industrial electrification applications | Industrial & ManufacturingAI & Machine Learning | Portfolio page | ||
| Flusso makes sensors that measure air velocity and mass flow | Industrial & Manufacturing | Portfolio page | ||
| FocalPoint develops and provides GNSS software to improve location-based services and navigation accuracy for various industries, including automotive, wearables, and smartphones. | Healthcare & BiotechIndustrial & Manufacturing | Portfolio page | ||
| Foventa is a biotechnology company developing novel therapeutics for retinal diseases | Healthcare & Biotech | Portfolio page | ||
| The company develops and publishes video games | Enterprise SoftwareGaming | Portfolio page | ||
Healthcare & Biotech | Portfolio page | |||
| The company develops cancer vaccines | Healthcare & Biotech | Portfolio page | ||
| Kalium Health enables active monitoring of key risks in kidney disease | Healthcare & Biotech | Portfolio page | ||
| Morchella Medical licenses patents, dosing models and clinical know-how for adjusting each patient's dose to their response | Healthcare & Biotech | Portfolio page | ||
| Myrtle.ai provides low latency AI inference for machine learning models | AI & Machine LearningFintech | Portfolio page | ||
| NoBACZ Healthcare delivers science-backed solutions for wound management. | Healthcare & Biotech | Portfolio page |
About this data
site last read 5 Nov 2026- Site
- martletcap.com
- Last read
- 5 Nov 2026
- Watching since
- 5 Nov 2026
- Companies checked
- 46
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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