Martlet Capital
Venture capitalCambridge · Pre-Seed–Series A · 8 people tracked
Also known as Tayvin Shelf Company 2 Limited
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 8 of 49 portfolio companiesAI & Machine Learning ×4Healthtech ×4Biotech ×3Hardware ×2Cleantech ×1Data & Infrastructure ×1Deep Tech ×1Enterprise Software ×1
HQs:United Kingdom×4United States×1
Investments · 49 tracked
founders shown can be your intro pathBy year:2023 · 12020 · 12 dated
Supplier of protein research tools to life scientists.
HealthtechCambridge
Peter Vance Allen(Director)Mara Glickman Aspinall(Director)Michael Shaun Baldock(Director)Louise Alexandra Virginia Charlotte Patten(Director)Giles Francis Bertram Kerr(Director)Jonathan Simon Milner(Director)
AIVIVO develops drug discovery solutions at the organism level, focusing on accelerating pharmaceutical development processes.
AI & Machine LearningBiotech
FocusFree lenses for extended realities
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
Molecular diagnostics company offering clinical PCR systems using automation and microfluidics; acquired by QIAGEN in September 2020.
BiotechHealthtechAlbuquerque, US
Thomas Duensing(Executive Officer)Dennis Hynson(Executive Officer)Jack T. Ball(Director)J. Michael Schafer(Director)Janette Phi(Executive Officer)Bo E.H. Saxberg(Director)
Vision loss treatment solutions
Video game developer and publisher.
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)Lian Ni Lee(VP Preclinical & Co-Founder)
Interview with CEO Tom Collings.
Develops patented antibiotic-free, biodegradable 'liquid bandages' for animal wound care that form a protective barrier over skin to block microbes, repel water, and support natural healing.
Nu Quantum develops quantum networking solutions to enable commercial quantum computer scaling.
Deep TechHardwareQuantum ComputingCambridge, GB
Dr. Carmen Palacios-Berraquero(Founder and CEO)
Specialist DNA development company that synthesizes complex DNA sequences at scale for pharmaceutical, biotech, and research clients.
Commercially viable federated ML solution for IoT fleet owners that reduces networking costs and keeps data private.
Enables lower launch costs and scalable capabilities for civil and defence space applications.
Graphene electronics company pioneering mass production of graphene-based devices.
Cambridgeshire
Simon Thomas(Chief Executive Officer of the issuer.)
Developer of a novel gene modulation technology aimed at transforming gene editing for therapeutics and industrial biotechnology.
Cellulose-based sustainable colorants for fashion, cosmetics, and packaging.
Computing at the edge of probability; founded by Phillip Stanley-Marbell.
Innovation in pest control combined with sustainability.
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
Corporate travel platform using machine learning to make better recommendations.
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)Toby Schulz(Co-founder)
Cambridge materials science company pioneering plant protein-based alternatives to single-use plastics.
Exits · 1
IPOs and acquisitions across the tracked portfolioVantage Poweracq. by Allison Transmission
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
- 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.
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