Directory

Henley Business Angels

Ecosystem Bodies, Catapults & InstitutionsOtherSaaSBritish

Henley Business Angels (HBA) is a UK angel investment network established in 2016 under the auspices of Henley Business School at the University of Reading, serving the Thames Valley region. The network facilitates investments of £50,000 to £500,000 in early-stage, high-growth businesses, with particular interest in clean and green technology, life sciences, biomedical, robotics, and SaaS businesses. HBA is a member of the UK Business Angels Association and a signatory of the Investing in Women Code.

Hertility Health

ScaleupBiotech & Life SciencesConsumerBritish

Reproductive health platform offering at-home hormone and fertility testing, diagnostics for PCOS, endometriosis, menopause, and personalised care pathways.

Hometree

ScaleupClimateBritish

Residential energy services and finance group installing and financing heat pumps, solar, batteries, and boilers to decarbonise UK homes.

Hotbed

Professional ServicesOtherFunding PlatformBritish

Hotbed Limited was a Milton Keynes-based investment platform founded in 2003 that offered experienced private investors direct access to unquoted companies and commercial property deals. Operating on a membership model, it allowed investors to select individual deals and build personalised portfolios. Hotbed was acquired by Connection Capital in February 2012 and all subsequent investment activity moved to the Connection Capital banner.

Hoxton Farms

StartupBiotech & Life SciencesAIBritish

Cultivated-fat company growing animal fat from cells, using AI and computational biology, as a flavour and texture ingredient for plant-based and hybrid meat products.

Humanoid

ScaleupAIBritish

General-purpose humanoid robots for industrial use; HMND 01 dual-armed mobile manipulator (29 DoF) offered via robotics-as-a-service, with AI-driven end-to-end reasoning.

Hygea VCT

VCOtherBritish

Hygea VCT plc was a UK Venture Capital Trust originally established in 2001 as BioScience VCT, renamed Hygea VCT in 2006, with a focus on MedTech investments including medical devices, drug delivery systems, diagnostics, and technology-based support services. It was rebranded as Seneca Growth Capital VCT Plc in August 2018 and continues as a diversified growth capital VCT investing in UK SMEs across unquoted and AIM-quoted companies. The fund raised over £7 million through its initial offer for subscription.

Hypervision Surgical

ScaleupBiotech & Life SciencesAIBritish

AI hyperspectral surgical imaging (HYPERSNAP system) for real-time computer-assisted tissue analysis; integrates with robotic, laparoscopic and endoscopic surgery systems.

IC Advanced Hackspace

Incubator / AcceleratorOtherAcademiaCoworkingBritish

The Imperial College Advanced Hackspace is an innovation and prototyping community based at Imperial College London's White City campus, open to students, staff and external innovators. It provides access to extensive fabrication equipment including 3D printers, laser cutters and electronics workbenches, alongside expert mentors and programmes such as Hackstarter, a 10-week accelerator supporting early-stage ventures.

IDEALondon

Incubator / AcceleratorAIFinanceAcademiaCoworkingBritish

IDEALondon is a deep-tech workspace, incubator, and innovation centre in Shoreditch operated by UCL's Faculty of Engineering in partnership with WilbeLAB, a scientist-led platform for academic entrepreneurs. Founded in 2013, it offers flexible desk space, curated events, startup mentoring, access to UCL researchers, and connections to London's deep-tech investment network, focusing on AI, biotech, fintech, and climate tech. Companies launched at IDEALondon have collectively created over 3,000 jobs and raised more than £340 million in funding.

IFOW

Ecosystem Bodies, Catapults & InstitutionsOtherAIBritish

The Institute for the Future of Work (IFOW) is an independent socio-technical research and development institute dedicated to transforming working lives. Founded in 2018 and registered as a UK charity, it focuses on people-centred technology, AI governance, and good work transitions. It undertakes research, convenes stakeholders, and advises policymakers at the intersection of technology and employment.

IMU Biosciences

ScaleupBiotech & Life SciencesAIBritish

Immune-powered precision medicine company using a high-resolution AI platform to map the human immune system from a single blood sample for diagnostics and drug development.

IW Capital

VCSaaSAIBritish

IW Capital is a London-based growth equity and EIS (Enterprise Investment Scheme) investment firm that backs ambitious UK technology founders with capital typically in the £1–2 million range. The firm offers three core services — IW Capital (growth funding), IW Connect (network access), and IW Catalyst (marketing and PR support) — targeting high-growth SMEs across AI, medtech, and SaaS sectors.

Iconic

StartupGamingAIBritish

London-based AI games company building on-device, voice-driven systems and tools for intelligent, reactive game worlds and interactive entertainment.

Ignition Law

Professional ServicesOtherBritish

Ignition Law is a London-based, B Corp-certified law firm specialising in legal and commercial advice for startups, scale-ups, SMEs and entrepreneurs. The firm offers services spanning corporate law, commercial law, employment, intellectual property, dispute resolution and data protection, with a focus on cost-effective and flexible delivery.

Impact Hub London

CoworkingOtherCommunityBritish

Impact Hub London is an award-winning social enterprise providing co-working space, affordable offices and business support programmes for changemakers, social entrepreneurs and impact-driven organisations. Originally founded as Impact Hub King's Cross in October 2008, it rebranded to Impact Hub London in 2023 celebrating its 15th anniversary, and opened its Euston location at Regent's Place in April 2024 in partnership with the Knowledge Quarter.

Imperagen

StartupBiotech & Life SciencesAIBritish

Manchester techbio spin-out using quantum physics simulations, AI models, and automated wet labs to engineer high-performance enzymes for biopharma and industrial biotech.

Imperial Enterprise Lab

Incubator / AcceleratorAIClimateAcademiaCoworkingBritish

Imperial Enterprise Lab is the entrepreneurship support initiative of Imperial College London, launched in October 2016, offering free masterclasses, mentoring, idea surgeries, co-working space, and equity-free funding to students, staff, and alumni. Its flagship Venture Catalyst Challenge awards £100,000 in prizes, and it runs specialist programmes including EarthScale (climate tech), WE Innovate (women entrepreneurs), Commonwealth Startup Fellowship, and the AI and MedTech SuperConnectors. Since inception it has supported the creation of over 200 startups that have collectively raised over £400 million.

Imperial Incubator

Incubator / AcceleratorOtherAcademiaCoworkingBritish

Imperial Incubator is a non-profit startup incubator operated by Imperial College London, providing early-stage science and deep-tech companies with flexible, fully-equipped lab and office space, expert mentoring, and access to Imperial's research networks. Originally established in 2006 in the basement of the Bessemer building on the South Kensington campus, it relocated to the White City Innovation Campus in 2016, where it houses category-2 labs, co-working labs, and shared scientific equipment for startups in biotechnology, diagnostics, therapeutics, and synthetic biology.

Included VC

Ecosystem Bodies, Catapults & InstitutionsOtherCommunityBritish

Included VC is a global not-for-profit fellowship programme that trains and places aspiring venture capitalists from underrepresented and diverse communities into the VC industry. Its fully funded six-month programme combines masterclasses, mentorship from partner funds, and investment committee simulations, with over 83% of fellows actively seeking roles successfully breaking into the VC ecosystem.

Innerworks

StartupCybersecurityAIBritish

Synthetic Threat Intelligence platform using device fingerprinting and true-location verification to detect AI-generated synthetic interactions and deepfake-driven fraud, claiming approximately 97% accuracy.

Innovation Warehouse

Incubator / AcceleratorOtherCoworkingBritish

Innovation Warehouse is a central London hub founded in 2010 by entrepreneurs and angel investors in collaboration with the City of London Corporation, originally offering coworking and incubation space for digital high-growth startups at its 10,000 sq ft Smithfield site. The organisation now operates primarily as a business investment and consultancy firm, providing investment-readiness programmes, mentoring, and access to its investor network for technology businesses seeking to scale or raise capital.

InnovationRCA

Incubator / AcceleratorOtherAcademiaBritish

InnovationRCA is the Royal College of Art's centre for entrepreneurship and commercialisation, providing incubation, IP strategy, business coaching, and accelerator programmes to design-led founders from the RCA community. Its programmes include a Pre-Incubator, Start-up Programme, and Creative Brands Accelerator, as well as the AngelClubRCA investor network. Based at the RCA's Battersea campus, it has supported ventures across sectors including agri-tech, med-tech, clean-tech, and fashion.

Inovo Robotics

StartupOtherBritish

Builds low-cost modular collaborative robot arms aimed at SMEs to automate repetitive manufacturing and machine-tending tasks.