Fundraising Fox

24 Haymarket

Venture capital

London · Seed–Growth · 7 people tracked

Also known as 24 Haymarket Limited · Shared Office Management Limited

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Investment thesis

24Haymarket follows a strict investment thesis focused on verticals in the nascent stages of high growth, where it can leverage proprietary insight from its Investor Network. The firm targets companies that have demonstrated initial commercial traction. It pursues an active investment philosophy, seeking a board seat in each investment alongside a hands-on, involved post-investment model. The firm makes initial investments with capacity for follow-on funding, leads rounds, and syndicates the capital of its sophisticated private investors, who commit their own money to each deal. 24Haymarket emphasises speed, aiming to complete within six weeks of first conversation.

Invests inSector AgnosticEuropeLondonUnited Kingdom

Source: firm website, verified Aug 3, 2026.

Stage
Seed–Growth
HQ
London, GB
Leads rounds
Leads
Instruments
Equity
Founded
2012
Net assets · FY2026
$818K
Tracked investments
50

Team · 7 people

from the firm's website

What they invest in

from 39 of 50 portfolio companies

SaaS ×10AI & Machine Learning ×8Biotech ×5Enterprise Software ×5Hardware ×5Sports Tech ×5Consumer ×4Cybersecurity ×4

HQs:United Kingdom×15

Who they back

founder profiles across 9 portfolio companies
67%
solo founders
6 of 9 mapped founding teams

Founding team size:solo founder×62 founders×3

Investments · 50 tracked

founders shown can be your intro path
AI in healthcarefeebris.comin

Feebris offers a clinical platform with CE-certified medical device AI (PlethAI, Class IIb) that enables hospital-grade remote patient monitoring and care at home.

AI & Machine LearningDigital HealthMedical Devices

Co-investorsCambridge Angels groupJoyance PartnersMeridian Health VenturesSupermorpheus

amicableamicable.ioin

Amicable is an online legal service for divorcing and separating couples in the UK, working with both partners together to handle divorce, financial settlements, consent orders, and child and pet arrangements without solicitors.

ConsumerLegalTech

Kate Daly

Co-investorsQVentures

Angokaangoka.io

ANGOKA provides secure machine-to-machine communications for robotic, autonomous, and mission-critical systems operating across air, land, maritime, space, and critical infrastructure.

CybersecurityDefense TechIoTBelfast, GB

Shadi Razak(Founder)

Co-investorsClarendon Fund Managers Ltd.Jenson VenturesSeraphim Space

Azadyneazadyne.comin

Azadyne is a UK biotech company and spin-out from Trinity College Dublin developing therapeutics based on tRNA modification and epigenetic regulation of cellular protein synthesis.

BiotechDeep Tech

Vincent KellyStephen Connon

BoardJason Rutt

Co-investorsNCL Technology Ventures Ltd.

Blackbullionblackbullion.comin

Blackbullion is a financial wellbeing and money education platform used by universities to support students, offering tools for student budgeting and access to a funding hub.

EdTechFintech

Brain in Handbraininhand.co.ukin

Brain in Hand provides neurodiversity coaching and support for autistic and ADHD people across work, education, and daily life, combining a digital tool with on-demand human guidance.

Digital HealthEdTechMental Health

Cambridgemedtechcambridgemedtech.com
Captinicaptini.com
Circulorcirculor.com

Circulor provides a supply chain traceability platform that tracks raw materials such as cobalt, lithium, nickel, and natural graphite, offering Digital Product/Battery Passport and Trust & Assurance solutions.

Circular EconomyEnterprise SoftwareSaaS

Co-investorsAster CapitalFuture Positive CapitalHG VenturesInMotion VenturesRegeneration.VCSystemiq Capital+2 more

Cloudhousecloudhouse.comin

Cloudhouse offers Guardian, a continuous configuration monitoring product that tracks changes across hybrid IT estates including servers, containers, cloud, and endpoints.

Cloud ComputingCybersecurityEnterprise Software

Co-investorsCommitted Capital

Clustermarketclustermarket.comin𝕏

Calira (Clustermarket) provides lab equipment booking and management software that lets LabOps teams schedule shared scientific instruments, track utilisation and maintenance, and build a searchable equipment directory across one or many labs.

BiotechEnterprise SoftwareSaaS

Niklas Friedberg(Founder)inTobias Wingbermuehle(Founder)in

Co-investorsMolten Ventures

Cyberhivecyberhive.comin𝕏

CyberHive offers cyber security solutions for enterprise and industrial use cases, using patented technology to protect organisations' people, data, and assets.

CybersecurityEnterprise SoftwareIoT

CyberOwlcyberowl.ioin𝕏

CyberOwl develops Medulla, a cybersecurity platform that provides asset inventory, continuous security monitoring, and risk visibility for maritime and shipping fleets.

CybersecurityIoTLondon, GB

Daniel Ngin

Co-investorsPhaze VenturesTechstars

Cydar Medicalcydarmedical.comin𝕏

Cydar Medical provides cloud-based software that uses AI and data fusion to give surgical and clinical teams imaging insights during procedures, aiming to reduce radiation exposure, procedure times, and contrast agent use.

AI & Machine LearningDigital HealthMedical Devices

Co-investorsPembroke VCTVenture Founders

Definigendefinigen.comin

Definigen (Pixl Bio Ltd.) combines human iPSC-derived cell models—including hepatocytes, stellates, organoids, and CRISPR-edited disease models—with AI-driven phenomics and high-content imaging to generate predictive biological data for drug discovery and safety assessment.

AI & Machine LearningBiotechHealthtech

Deliciouslyelladeliciouslyella.comin𝕏

Deliciously Ella offers a subscription membership, available via website and app, with 2,000+ plant-based recipes, guided meditations, and wellness tools like meal planning and shopping lists.

ConsumerDirect to ConsumerWellness & Fitness

Ella

Dogtooth Technologies - companydogtooth.techin

Dogtooth develops commercial robotic harvesting systems for fruit growers, using on-board 360-degree imaging to pick berries and inspect them for mass, ripeness, and defects.

AgTechAI & Machine LearningRobotics

Co-investorsEMV CapitalMartlet Capital

Eepurleepurl.comin𝕏

Mailchimp is an email and SMS marketing platform that helps businesses of all sizes automate customer communications and drive revenue through AI-powered analytics and campaign tools.

E-commerceMarketing TechSaaS

Co-investorsDecisive PointFitz Gate VenturesForma PrimeHello TomorrowMapleblock CapitalMissouri Technology Corporation+8 more

Equilume
Flussoltdflussoltd.comin

Flusso develops compact MEMS-based mass flow and air velocity sensors built on a proprietary thermal Tungsten (TMEMS) sensing platform.

Deep TechHardwareSemiconductors

Co-investorsMartlet Capital

Growthintelligencegrowthintelligence.com
Helloayrhelloayr.com
Huqhuq.io

Huq operates a location intelligence platform that collects and processes human movement, demographic, and spending data to deliver consumer footfall and location performance insights.

Data & InfrastructurePropTechRetail Tech

Co-investorsACF Investors

Hybrid Access
Hypetexhypetex.comin𝕏

Hypetex Coloured Advanced Materials (CAM) develops sustainable colouring technology for advanced engineered materials such as carbon fibre and flax, offering a portfolio of colour and material combinations along with technical, design and manufacturing support.

Advanced ManufacturingDeep TechNew Materials

Co-investorsOxford Investment Opportunity Network (OION)

Insigniatechnologiesinsigniatechnologies.comin

Insignia Technologies develops products using patented colour-changing inks and films that provide real-time visual indicators for applications such as patient safety and food waste reduction.

FoodTechMedical DevicesNew MaterialsBioCity Scotland, GB

Dr Graham Skinner(CEO)

Co-investorsEquity Gap

Interfacepolymersinterfacepolymers.comin

Interface Polymers develops Polarfin diblock copolymer additives used as compatibilisers, anti-fog dispersions, and adhesion promoters for polyolefin plastics.

Advanced ManufacturingCircular EconomyNew Materials

Irisiris.netin

IRIS provides a digital platform for hotels offering mobile food and beverage ordering, digital guest directories, and mobile concierge services accessible via guests' own devices through QR codes.

HardwareSaaSTravel & Hospitality

Co-investorsFounder CollectiveGlasswing VenturesHyde Park Angels

Keldatechnologykeldatechnology.com

Kelda Technology develops water-in-air shower products using patented technology derived from aerospace and automotive engineering to reduce water usage and water heating costs.

CleantechClimate TechHardware

Loveadminloveadmin.comin

LoveAdmin's Thrive4 Network provides sports and community clubs with administration tools, expert support, learning resources and structured planning to improve their organisation, finances, membership growth and community engagement.

SaaSSports Tech

Lunamaelondonlunamaelondon.com

Luna Mae is a couture house that produces personalized lingerie, loungewear, and babywear, emphasizing British craftsmanship.

ConsumerDirect to ConsumerLondon, GB

Medisievemedisieve.comin𝕏

MediSieve develops a magnetic blood filtration system that uses nanoengineered magnetic particles and beads to remove pathogens such as harmful cells, bacteria, toxins, and inflammatory cytokines directly from a patient's bloodstream.

BiotechHealthtechMedical Devices

Membrmembr.comin𝕏

Membr provides gym management software used to handle member bookings, automated engagement pathways, and administrative operations for fitness clubs.

SaaSSports TechWellness & Fitness

Monterosamonterosa.coin𝕏

Monterosa provides a platform and marketplace of pluggable fan engagement experiences — games, predictions, voting, loyalty and conversion mechanics — that plug into a customer's existing integrations to capture first-party data and drive direct-to-fan revenue.

Marketing TechSaaSSports Tech

Mygworkmygwork.com
Optalitixoptalitix.comin

Optalitix provides a digital platform for insurers, reinsurers and MGAs that converts existing Excel, Python and R pricing models into governed, cloud-hosted APIs for underwriting and quoting.

AI & Machine LearningInsurTechSaaS

Co-investorsCalculus Capital Ltd.

Osprey Flight Solutionsospreyflightsolutions.comin𝕏

Osprey Flight Solutions provides geopolitical and airspace risk intelligence for the aviation industry, using AI and machine learning alongside expert analysis to monitor open sources and automatically risk-assess flights worldwide.

AI & Machine LearningDefense TechSaaS

Co-investorsLevel Equity

Previsicoprevisico.comin𝕏

Previsico provides a flood forecasting and hydrological monitoring service that predicts and monitors flood risks, including surface water, small streams, and drainage systems often not covered by standard flood alerts.

AI & Machine LearningClimate TechInsurTech

Prof. Yu(Co-founder)Dr Avi Baruch(Co-founder)

Co-investorsBURNT ISLAND VENTURESConnecticut InnovationsBlueOrchard Finance S AForesight Group

Privitarprivitar.com

London

Nick Pointon(Executive Officer)Cary Davis(Director)Gerard Buggy(Director)Jason McFall(Executive Officer)Jason du Preez(Executive Officer, Director)Seth Pierrepoint(Director)

Co-investorsAccelGen CapitalIlluminate FinancialPartech Ventures

Prosapientprosapient.comin𝕏

proSapient operates an expert network platform that combines AI technology with client services to source expert insights, deliver transcripts, and support qualitative and quantitative research.

AI & Machine LearningEnterprise SoftwareSaaS

Co-investorsFigure 8 Investments

Revolobiorevolobio.comin𝕏

Revolo Biotherapeutics is a venture-funded biotechnology company developing peptide-based therapies that restore immune homeostasis for serious allergic and autoimmune diseases such as eosinophilic esophagitis.

BiotechHealthtech

Co-investorsNCL Technology Ventures Ltd.

Rpdintlrpdintl.com

The site publishes SEO-style articles about cannabis dispensaries, medical/recreational cannabis products, and running cannabis e-commerce stores, focused on the Staten Island, New York area.

E-commerceMedia & Entertainment

Smartiasmartia.techin

Hardware-enabled AI software turning industrial data into actionable insights.

Co-investorsQVentures

Sphere Fluidicsspherefluidics.com

Provides pharmaceutical R&D services via the Cyto-Mine machine for single-cell analysis and characterisation.

Co-investorsQVenturesProvidence Investment Company LimitedREDMILESofinnova Partners

Spirablespirable.comin𝕏

Spirable is a sport-focused media activation platform that helps advertisers connect with sports fans through targeted advertising and broadcast solutions.

AdTechMarketing TechMedia & EntertainmentSports Tech

Ger O'Meara(Founder)in

Co-investorsFrontline VenturesTrue.Smedvig Capital

Spokespoke-london.com

SPOKE is a direct-to-consumer menswear brand selling trousers, jeans, and wardrobe essentials with an emphasis on precise sizing and fit.

ConsumerDirect to ConsumerE-commerceLondon, GB

Ben Farren(Founder)in

Co-investorsMolten VenturesOxfordAda Ventures

Tickxtickx.comin𝕏

TickX provides marketing and revenue technology for event organizers and experience providers, layering a branded checkout and booking flow, rules-based ticket pricing, post-purchase upgrades, and data connectors onto existing ticketing systems.

Trackonomicstrackonomics.netin𝕏

Trackonomics offers a data management platform for e-commerce affiliate marketing, giving digital publishers and brands tools to detect broken or out-of-stock links, analyze revenue by article and traffic source, and automate affiliate link tagging across networks.

AdTechE-commerceMarketing Tech

Wattbikewattbike.comin

Wattbike designs and manufactures smart indoor bikes and air bikes with real-time performance metrics, pedal-stroke analysis, and a companion training app for cyclists, athletes, and home fitness users.

HardwareSports TechWellness & Fitness

Yasayasa.cominacquired by Mercedes Benz

YASA develops axial flux electric motors ('eMotors') and control systems for electric vehicles and other electrification applications, using a proprietary Yokeless And Segmented Armature design that reduces motor size and weight while increasing power and torque density.

CleantechHardwareMobility & TransportationOxford, GB

Tim Woolmer(CTO & Founder)

Co-investorsOxford Science EnterprisesParkwalk AdvisorsInovia Capital

Exits · 1

IPOs and acquisitions across the tracked portfolio

Yasaacq. by Mercedes Benz

Portfolio news

latest coverage across their companies

Principals & officers · per Companies House

what is this? ⓘ
Marek Stefan Gumienny

Director · British · since 2024

Simon Neville Arden Leefe

Director · British · since 2024

Nicholas Andrew Lindsay Stuart

Director · British · since 2024

Paul Michael Tselentis

Director · British,Greek,South African · since 2015

Frequently asked questions

How many investments has 24 Haymarket made?
24 Haymarket has 50 tracked investments, 1 of which have exited via acquisition or IPO.
What stage does 24 Haymarket invest at?
24 Haymarket invests at the Seed, Series A, Growth stages.
What sectors does 24 Haymarket focus on?
24 Haymarket focuses on Sector Agnostic.
Where is 24 Haymarket located?
24 Haymarket is headquartered in London, GB.
Does 24 Haymarket lead rounds?
Yes, 24 Haymarket leads investment rounds.
Who does 24 Haymarket co-invest with?
24 Haymarket most often shares deals with QVentures, Martlet Capital, Molten Ventures, among 55 tracked co-investors.

Co-investors · 3

ACF Investors

ACF Investors is a £100M UK venture capital fund that backs entrepreneurs across most sectors, co-investing alongside sector-focused angel investors.

Both backed · 1
$125K – $1.3M
Business Growth Fund

BGF provides minority growth capital and support to entrepreneurial small and medium-sized businesses across the UK and Ireland, from university spinouts to established brands.

$3.8M – $38M
Ananda Impact Ventures

Ananda Impact Ventures is a venture capital firm that invests in social enterprises based in Europe addressing social issues across the region. The firm focuses on early-stage and growth-stage companies in the social impact sector.

$540K – $3.2M

Firms observed investing alongside 24 Haymarket, from public investor directories. Shared companies are the overlap with 24 Haymarket's recorded portfolio.

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