Since inception, we have invested £79m+ in 54 high-growth companies.

We aim to make 6-8 new investments per annum, in addition to follow-on rounds for our existing portfolio.

Portfolio Overview


Rounds invested per company on average


Additional capital unlocked by our portfolio since January 2019




Profitable full or partial realisations to-date


Consolidated revenue increase since 24Haymarket's first investment


Consolidated revenue CAGR since 24Haymarket's first investment

E-cigarette company with a design and patent-led approach.

Invested: £1.1m

Initial investment: July 2015

Online learning platform designed to help build students’ financial literacy throughout higher education.

Invested: £545k

Initial investment: January 2018

Digital health platform to enable independence in people suffering from neurological diseases such as autism.

Invested: £1.4m

Initial investment: November 2012

Technology company providing guest WiFi as a means of marketing automation, online-to-offline customer engagement and attribution for the global restaurant industry.

Invested: £914k

Initial investment: September 2019

Leader in bringing traceability to complex industrial supply chains.

Invested: £2m

Initial investment: May 2021

Infrastructure software provider that enables legacy software applications to run on new operating systems.

Invested: £3.8m

Initial investment: November 2013

SAAS-enabled marketplace for laboratories and equipment.

Invested: £1.5m

Initial investment: May 2021

Medical technology company with novel non-invasive device that measures biomarkers in interstitial fluid to facilitate continuous monitoring of a range of diseases.

Invested: £1.1m

Initial investment: December 2016

Cyber Owl
Early warning system for cyber-attacks on high value industrial targets.

Invested: £1.6m

Initial investment: January 2019

Cyber security software platform that employs a patented approach to data protection, comprising advanced cryptography and distributed whitelisting techniques.

Invested: £835k

Initial investment: April 2021

Human-induced pluripotent stem cells (hIPSC) for preclinical drug development and disease modelling studies.

Invested: £1.8m

Initial investment: December 2013

Deliciously Ella
“Free-from” food product business with strong brand authenticity and awareness.

Invested: £2.1m

Initial investment: April 2017

Dogtooth builds state-of-the-art intelligent robots for soft fruit picking

Invested: £1.76

Initial investment: October 2021

Provider of patient engagement software to the secondary care market.

Invested: £1.5m

Initial investment: August 2020

Software company developing diagnosis tools using artificial intelligence for acute and chronic respiratory conditions outside of a clinical setting.

Invested: £564k

Initial investment: May 2019

Patent-protected flow sensor technology that is significantly smaller and less expensive than incumbents.

Invested: £676k

Initial investment: March 2020

Growth Intelligence
AI software system focused on sales and marketing intelligence for B2B businesses in the UK.

Invested: £1m

Initial investment: January 2019

Analysis platform that aggregates anonymised data collected from mobile audiences for commercial application.

Invested: £1.7m

Initial investment: June 2017

Insignia Technologies
Use-by and temperature indicators for application in the foodservice, retail and supply chain management sectors.

Invested: £1.3m

Initial investment: November 2014

Interface Polymers
Copolymer additive technology that modifies the surface properties of plastics enabling adhesion between otherwise incompatible materials.

Invested: £1.3m

Initial investment: September 2017

Guest-facing technology for the hotel industry with functionality including mobile-enabled check-in, room unlock, room service ordering.

Invested: £750k

Initial investment: December 2014

Patent-protected shower technology that reduces energy and water usage by more than 50%.

Invested: £3.2m

Initial investment: June 2017

Novelty blade compressor manufacture selling to a broad range of end-market verticals.

Invested: £545k

Initial investment: June 2015

Software platform that allows for the management of membership payments online for sports clubs and charities.

Invested: £700k

Initial investment: July 2017

Luna Mae
London-based couture lingerie brand, selling high-end lingerie via bespoke appointment.

Invested: £631k

Initial investment: May 2016

B2B mobile app that connects sports fans to sporting events showing in their nearest pub with attractive monetisation potential with large drinks brands.

Invested: £717k

Initial investment: July 2015

A patented 'magnetic blood filtration' platform technology aimed at revolutionizing the treatment of blood-borne diseases.

Invested: £1.5m

Initial investment: April 2018

Software business that sells into the gym market - their product allows gym owners to manage both the relationship with their customers and the gym itself.

Invested: £1.1m

Initial investment: June 2018

Biotechnology company developing a data-driven bioinformatic approach to cell conversion enabling efficient and deterministic development and production of cell therapies.

Invested: £1.4m

Initial investment: February 2019

Self-serve interactivity platform aimed at broadcasters, rights holders and brands.

Invested: £1.2m

Initial investment: July 2015

MWS Technology
Provides technology solutions for vocational training, further education and welfare to work sectors.

Invested: £2m

Initial investment: December 2019

Global recruitment and networking hub for LGBT professionals, graduates, allies and organisations to promote diversity in the workplace and beyond.

Invested: £712k

Initial investment: December 2020

Software platform that allows aviation operators to balance the security risk of flying over dangerous areas with profitability considerations.

Invested: £3.4m

Initial investment: August 2018

Software platform focused on dynamic data anonymisation, allowing holders of large datasets to balance data utility and privacy concerns.

Invested: £5.2m

Initial investment: July 2016

Technology company developing an AI-driven platform for primary research and expert networks.

Invested: £3m

Initial investment: May 2019

Quality and compliance software platform for care homes.

Invested: £3.1m

Initial investment: October 2017

Revolo Biotherapeutics, formerly Immune Regulation
Immunobiotech company developing biologic compounds that reset the immune system to treat allergy and autoimmune disease.

Invested: £1.3m

Initial investment: February 2018

Engineering company providing outsourced R&D and small-scale production and logistic capabilities to large corporate and SME clients.

Invested: £1.7m

Initial investment: December 2015

Smartia provides scalable AI solutions that connect and transform industrial data into actionable insights.

Invested: £1.4

Initial investment: January 2022

Sphere Fluidics
Manufactures, distributes and services single cell analysis systems that enable the discovery and development of new biopharmaceuticals and cell therapies.

Invested: £3.6m

Initial investment: February 2013

Licenses a self-serve software platform that enables brands to create personalised video content at scale for use in content marketing campaigns.

Invested: £432k

Initial investment: March 2016

Direct-to-consumer menswear ecommerce brand focused on bespoke fit.

Invested: £2.4m

Initial investment: January 2018

Ecommerce and marketing toolkit which enables users to sell more tickets, gain greater data insights and improve marketing efficiency.

Invested: £1.4m

Initial investment: November 2016

Online, enterprise-level aggregation and automation software-as-a-service platform for performance marketers.

Invested: £1.13

Initial investment: January 2019

Exercise bike that delivers cutting edge performance data to its users, who range from Olympic athletes to recreational users.

Invested: £3.3m

Initial investment: April 2011

YASA Motors
Highly advanced electrical motors and generator solutions for a variety of applications in the automobile and electronic power generation sector.

Invested: £1.7m

Initial investment: January 2014

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