Martlet Capital
Venture capitalCambridge · Pre-Seed–Series A · 8 people tracked
Also known as Tayvin Shelf Company 2 Limited
Find your way into Martlet Capital
307 people in our graph share verified history with the Martlet Capital team — schools, employers, funds. One of them is your warm intro.
Investment thesis
Martlet Capital backs early-stage deep tech and life sciences B2B startups with high growth potential, providing patient capital alongside operational support, experience, and access to a network of contacts. Since launching in 2011 it has invested in more than 75 startups and achieved several exits via trade sales and IPOs. Having deployed its primary balance sheet fund, Martlet continues to support its existing portfolio with co-investment from EMV Capital, which now owns and manages its VC operations.
Source: firm website, verified Aug 3, 2026.
Team · 8 people
from the firm's website & public directories
What they invest in
from 43 of 48 portfolio companiesDeep Tech ×20Hardware ×16Healthtech ×15AI & Machine Learning ×13Biotech ×11New Materials ×9IoT ×8Semiconductors ×7
HQs:United Kingdom×30United Kingdom×1
Who they back
founder profiles across 20 portfolio companiesFounding team size:solo founder×132 founders×63 founders×1
Where their founders studiedfrom 19 founders with education data
University of Cambridge ×13Imperial College London ×3
What their founders studiedfrom 19 founders with field-of-study data
Engineering ×11Physics ×3Business & Management ×2Chemistry ×2Computer Science ×2Mathematics & Statistics ×2
Where their founders worked beforefrom 20 founders with career history
Royal Academy of Engineering ×2SolidSpark ×2Spotta ×2Weizmann Institute of Science ×2
Investments · 48 tracked
founders shown can be your intro pathBy year:2023 · 22020 · 13 dated
Kalium Health is developing personalised, at-home health monitoring for chronic kidney disease, aimed at helping healthcare providers and patients track key risks to improve outcomes and reduce costs.
Digital HealthHealthtechMedical DevicesCambridge, GB
Fiona Karet(Chief Medical Officer)in
Co-investorsCambridge Angels groupEMV Capital
Supplier of protein research tools to life scientists.
HealthtechCambridge
Jonathan Simon Milner(Director)Alan Thomas Hirzel(Director)Michael Shaun Baldock(Director)
BoardPeter Vance Allen(Director)Mara Glickman Aspinall(Director)Louise Alexandra Virginia Charlotte Patten(Director)
AIVIVO develops drug discovery solutions at the organism level, focusing on accelerating pharmaceutical development processes.
AI & Machine LearningBiotech
Peyman Gifani(Founder)in
Co-investorsDCVC (Data Collective)EMV CapitalManta Ray Ventures
Allfocal Optics develops nanophotonic display technology based on research from Cambridge University, aimed at improving visual clarity and comfort.
Deep TechHardwareSemiconductorsCambridge, GB
Dr. Pawan Shrestha(Founder)in
Co-investors7percent VenturesEMV CapitalCambridge Angels group
Solytics Partners provides risk management, financial crime and compliance (AML/CFT), data analytics, and ESG/climate risk services and technology to financial institutions such as banks, capital markets firms, and insurers.
AI & Machine LearningData & InfrastructureEnterprise SoftwareFintechSaaS
Co-investorsCambridge Capital GroupQED
AXOL is a biotech company backed by investors including Par Equity, Meltwind Advisory, and Scottish Enterprise.
BiotechDeep TechHealthtechRoslin, UK
Co-investorsCalculusScottish EnterpriseCambridge Angels groupEMV Capital
Cambridge GaN Devices is a fabless semiconductor company that develops energy-efficient GaN-based power devices for sustainable electronics.
CleantechDeep TechEnergyHardwareSemiconductorsCambridge, GB
Fabio Necco(CEO)in
Co-investorsCambridge Innovation CapitalEMV CapitalIQ CapitalBritish Patient CapitalParkwalk Advisors
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Cambridge Nutraceuticals develops and sells health supplements grounded in clinical research and scientific evidence, serving consumers seeking science-backed nutritional products.
ConsumerHealthtechLongevityWellness & FitnessCambridge, GB
Co-investorsEMV Capital
Camstent develops coated medical devices using proprietary bacteriophobic polymer technology to reduce biofilm formation and infection risk on silicon-based medical devices, particularly catheters.
BiotechHealthtechMedical DevicesNew MaterialsCambridge, GB
Co-investorsCambridge Angels groupEMV Capital
CURE provides real-time monitoring of concrete curing, strength, and thermal performance using embedded and reusable sensors, paired with the ConcreteDNA app for tracking pours and AI-based curing predictions.
Advanced ManufacturingAI & Machine LearningConstruction TechIoTLondon, GB
Raph Scheps(CEO)inGideon Farrell(CTO)inRaphael Scheps(Founder)in
Co-investorsCambridge Angels groupClimate InvestmentEMV CapitalEntrepreneur FirstJ-Impact
Dogtooth Technologies develops autonomous robotic systems for agricultural harvesting, particularly strawberry picking.
AgTechAI & Machine LearningHardwareRoboticsCambridge, GB
Dr Duncan Robertson(Founder & CEO)Ed Herbert(Founder & COO)
Co-investors24 HaymarketEMV Capital
Echion Technologies is a battery technology company that develops and commercialises XNO®, a niobium-based fast-charging battery anode material supplied to cell manufacturers worldwide.
CleantechDeep TechEnergyNew Materials
Jean de la Verpillière(CEO & Co-founder)inAlex Groombridge(CTO & Co-founder)inBen Ting(Chief Commercial Officer)inSarah Stevenson(Chief Operating Officer)inCeri Neal(Chief Financial Officer)in
Co-investorsEMV CapitalKima VenturesZero Carbon CapitalVolta Energy Technologies
Exonate is a biotechnology company developing treatments for retinal vascular diseases, with a lead asset (EXN407) intended as a topical therapy for diabetic retinopathy and diabetic macular oedema.
BiotechDigital HealthHealthtechMedical Devices
Olav Hellebø(Chief Executive Officer)in
Co-investorsO2h VenturesWellcome TrustWren CapitalCambridge Angels groupEMV CapitalStoic VC+1 more
Flussol manufactures miniaturized air velocity sensors for flow measurement applications.
Deep TechHardwareIoTSemiconductorsCambridge, GB
Dr Andrea De Luca(CEO and co-founder)Prof. Florin Udrea(CTO and co-founder)
Co-investors24 Haymarket
FocalPoint develops positioning and navigation technology that improves accuracy beyond radio-based systems for everyday applications.
AI & Machine LearningDeep TechHardwareIoTMobility & TransportationUK, GB
Scott Pomerantz(CEO)in
Co-investorsMolten VenturesForte VenturesPassion CapitalCambridge Angels groupEMV CapitalIQ Capital
Frontier Developments is an independent video game developer and publisher creating management simulation, space exploration, and tactical role-playing games for PC and consoles.
GamingCambridge, GB
Jonny Wattsin
Co-investorsMetaplanet
Mindler (previously ieso) provides one-to-one, therapist-delivered text-based cognitive behavioural therapy (CBT) delivered online to patients, using de-identified therapy data and analysis to inform treatment.
Digital HealthHealthtechMental Health
Co-investorsCambridge Angels groupEMV CapitalMolten Ventures
Infinitopes develops immunotherapy treatments for cancer, focusing on immune-oncology and antigen discovery solutions aimed at improving patient outcomes and affordability in cancer care.
AI & Machine LearningBiotechHealthtechMedical DevicesOxford, GB
Jonathan Kwok(Co-Founder, President & Chief Medical Officer)inLian Ni Lee(VP Preclinical & Co-Founder)in
Co-investorsAmplify PartnersManta Ray VenturesOctopus VenturesEMV CapitalKindred Capital
VOLLO is an AI inference accelerator for capital markets firms that enables low-latency execution of machine learning models on market data using FPGA technology.
AI & Machine LearningCloud ComputingDeep TechFintechHardware
Peter(Founder)TomGiles
Co-investorsEMV CapitalIQ CapitalNew Science Ventures
NoBACZ Healthcare develops antibiotic-free, patented liquid barrier products for wound and lesion management, creating waterproof physical barriers that block microbes as an alternative to topical antimicrobials.
AgTechBiotechHealthtechNew Materials
Co-investorsAdjuvoCambridge Angels groupEMV CapitalThe FSE GroupThe Yield Lab EuropeACF Investors+1 more
Nu Quantum develops quantum networking solutions to enable commercial quantum computer scaling.
Deep TechHardwareQuantum ComputingCambridge, GB
Carmen Palacios-Berraquero(Founder)in
Co-investors7percent VenturesAhren Innovation CapitalAmadeus Capital PartnersEMV CapitalExpeditionsIQ Capital+4 more
NunaBio manufactures high-complexity DNA constructs from challenging sequences up to production-scale volumes using a modular, cell-free "DNA micro-foundry" platform.
BiotechDeep TechHardwareNew MaterialsNewcastle upon Tyne, GB
Co-investorsEMV CapitalMaven Capital PartnersNorthstar Ventures
OctaiPipe offers a collaborative AI platform that optimises data centre cooling to cut cooling energy use by up to 30% and reduce total building energy costs.
AI & Machine LearningCleantechEnergyEnterprise SoftwareIoT
Co-investorsDouble DownEMV CapitalMolten VenturesMomenta VenturesSuperSeed
Oxford Space Systems designs and manufactures deployable antennas for satellites, focused on reducing mass and improving stowage efficiency and performance.
Deep TechHardwareSpace TechHarwell, GB
Co-investorsCambridge Angels groupEMV CapitalFuture Planet CapitalLongwall Venture Partners LLPOxford Investment Opportunity NetworkOxford Investment Opportunity Network (OION)+4 more
Paragraf develops graphene-based electronic devices, including molecular sensors (electrolyte-gated field-effect transistors) for biosensing and chemical sensing, and Hall effect sensors for current, position, and magnetic field measurement at cryogenic temperatures.
Deep TechNew MaterialsSemiconductorsCambridgeshire, GB
Simon Thomas(Chief Executive Officer of the issuer.)in
Co-investorsAmadeus Capital PartnersBlack Opal VenturesCambridge Angels groupEMV CapitalIn-Q-TelIQ Capital+4 more
Pencil Biosciences develops a fully synthetic, modular, non-CRISPR gene editing platform that edits DNA without causing a break or nick.
BiotechDeep TechHealthtech
Co-investorsEMV CapitalFuture Planet CapitalNorthern GritstoneOctopus VenturesUK Innovation & Science Seed Fund
Pervasid develops RFID technology for retail operations, providing real-time item-level inventory visibility in stores.
HardwareIoTRetail Tech
Co-investorsEMV CapitalStanley Ventures
PharmEnable applies AI to small molecule drug discovery, focusing on challenging and data-sparse biological targets that traditional methods struggle to address.
AI & Machine LearningBiotechDeep Tech
Hannah Sore(Founder)in
Co-investorsCambridge Angels groupMC Healthcare VenturesDiamond Edge VenturesO2h VenturesParkwalk AdvisorsWren Capital
Plastometrex builds the PLX-Benchtop, a non-destructive mechanical testing machine that extracts metal stress-strain curves and strength properties (yield strength, UTS) from a small surface indentation using its PIP (Profilometry-based Indentation Plastometry) method.
Advanced ManufacturingDeep TechHardwareNew Materials
Co-investorsEMV Capital
Porotech develops MicroLED display technology, supplying components and technology consultancy to help partners manufacture microLED displays.
Deep TechHardwareSemiconductors
Tongtong Zhu(Founder)in
Co-investorsCambridge Angels groupIQ CapitalAmeba CapitalSpeedinvest
Psyomics builds behavioral health assessment tools, including beseen™, which captures structured data and free text from patients, families, and professionals to support clinical pathways for adults and young people.
Digital HealthHealthtechMental Health
Dr. Melinda Rees(Chief Executive Officer)inRupert Hipwell(Chief Commercial Officer)inAlex Nancekievill(Chief Technology Officer)in
Co-investorsCambridge Angels groupEMV Capital
Qkine manufactures and supplies high-purity growth factors and cytokines for research and therapeutic applications, serving life sciences researchers and cell therapy developers.
BiotechDeep TechHealthtechNew MaterialsCambridge, GB
Dr Marko Hyvönen(CSO & Founder)
Co-investorsCambridge Angels groupEMV CapitalOxford Investment Opportunity Network (OION)
Cellulose-based sustainable colorants for fashion, cosmetics, and packaging.
Co-investorsCambridge Angels groupEMV CapitalSustainable VenturesAda Ventures
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RoboK offers SiteLens®, an AI computer vision platform that analyzes existing CCTV footage to detect workplace hazards, monitor PPE compliance, identify near misses, and generate safety KPI and compliance reports.
Advanced ManufacturingAI & Machine LearningLogistics & Supply Chain
Co-investorsAI SeedAmadeus Capital PartnersCambridge Angels groupEMV Capital
Semarion is a University of Cambridge spin-out developing the SemaCyte platform, which converts adherent cells into barcoded, ready-to-use reagents for accelerated drug discovery and cell-based research.
BiotechDeep TechMedical DevicesNew MaterialsSaaSCambridge, GB
Jeroen Verheyen(CEO and Co-Founder)inTarun Vemulkar(Co-founder & CTO)in
Co-investorsThe FSE GroupCambridge Capital GroupFound CapitalStart CodonEMV CapitalParkwalk Advisors
Signaloid develops UxHw technology, a compute platform that propagates uncertainty by evaluating a distribution of inputs in a single program execution to produce distribution-based results.
AI & Machine LearningDeep TechHardwareSemiconductors
Phillip(Founder, CEO/CTO)
Co-investorsCambridge Angels groupEMV CapitalIQ CapitalType One Ventures
Sorex Sensors develops film bulk acoustic resonator (FBAR) technology for sensor applications in semiconductor markets.
Deep TechHardwareHealthtechIoTSemiconductors
Michael LeGoff(Executive Chairman)
Co-investorsCambridge Angels groupEMV Capital
Spotta builds IoT-based pest detection systems that automatically monitor for insects such as bed bugs, red palm weevil, and forestry pests.
AgTechAI & Machine LearningHardwareIoTCambridge, GB
Robert Fryers(Founder & CEO)inNeil D'Souza-Mathew(Founder & CTO)inRob Alner(COO)inMike Payne(Finance Director)
Co-investorsBayes Entrepreneurship FundCambridge Angels groupEMV CapitalREMUS CapitalThe Yield Lab EuropeThe Yield Lab
Strolll uses augmented reality to deliver visual cueing and movement exercises for neurological rehabilitation, helping people with conditions such as Parkinson's and dementia-related gait problems.
Digital HealthHealthtechMedical Devices
Co-investorsEMV CapitalFuture Planet CapitalIW CapitalKluz Ventures
Techspert recruits life sciences and healthcare experts for qualitative and quantitative research projects, using AI-powered tools to automate interview scheduling, transcription, and data capture for market research firms and biotech companies.
AI & Machine LearningHealthtechMarketing Tech
Co-investorsCambridge Angels groupInnvotec Ltd.Oxford Investment Opportunity Network (OION)Nauta CapitalPalatine
TransparentChoice provides a project portfolio prioritization system combining a criteria-based decision framework, a portfolio management platform, and expert PMO advisory support.
Enterprise SoftwareSaaS
Stuart Easton(Founder)in
Co-investorsCambridge Angels groupEMV Capital
Tripism is a platform for corporate travel teams to communicate travel program information and engage with business travelers, replacing outdated travel intranets.
Enterprise SoftwareSaaSTravel & HospitalityCambridge, GB
Co-investorsEMV Capital
Vantage Power develops electrification and connectivity technologies for commercial and defense vehicles, including hybrid-retrofit systems for city buses, liquid-cooled lithium-ion battery packs, and the VPVision data connectivity and analytics platform.
CleantechHardwareIoTMobility & Transportation
Alexander Schey(Co-founder)inToby Schulz(Co-founder)in
Xampla is a materials innovation company that develops Morro plant-based polymer materials as biodegradable, home-compostable alternatives to polluting plastics.
Circular EconomyDeep TechNew MaterialsCambridge, GB
Tuomas Knowles(Professor / Founder)Marc Rodriguez(CTO)inMarc Rodríguez Garciain
Co-investorsAmadeus Capital PartnersAvonmore DevelopmentsCambridge Angels groupEmerald Technology Ventures AgEMV CapitalHorizons Ventures+3 more
Other
Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.
Audio AnalyticCambridge CMOS SensorsFlussoSpectral Edge
Exits · 1
1 acquisitionsVantage Poweracq. by Allison Transmission
Portfolio news
latest coverage across their companiesFrontier Developments · investing.com · Sep 9, 2026
Cambridge Nutraceuticals · trysignalbase.com · Jun 16, 2026
Arachnys · trysignalbase.com · Mar 24, 2026
Techspert · palatinegrowthcredit.com · Feb 24, 2026
Principals & officers · per Companies House
what is this? ⓘDirector · American,British · since 2025
Director · British · since 2021
Director · British · since 2021
Director · German · since 2026
Corporate director · since 2023
Pm - Co-Invest - Martlet Limited — 25–50% of shares, 25–50% of voting rights
Frequently asked questions
- How many investments has Martlet Capital made?
- Martlet Capital has 48 tracked investments, 1 of which have exited.
- What stage does Martlet Capital invest at?
- Martlet Capital invests at the Pre-Seed, Seed, Series A stages.
- What is Martlet Capital's typical check size?
- Martlet Capital typically writes checks of $317.5K.
- What sectors does Martlet Capital focus on?
- Martlet Capital focuses on Biotech, Consumer, Data & Infrastructure, Deep Tech, Enterprise Software, Hardware, Healthtech, IoT, Medical Devices, New Materials, Retail Tech, SaaS, Sector Agnostic, Semiconductors.
- Where is Martlet Capital located?
- Martlet Capital is headquartered in Cambridge, GB.
- Who does Martlet Capital co-invest with?
- Martlet Capital most often shares deals with EMV Capital, Cambridge Angels group, IQ Capital, among 60 tracked co-investors.
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