Directory

Hoxton Ventures

VCPre-SeedSeed

Hoxton Ventures is an early-stage venture capital firm based in London that invests in European technology startups with a Silicon Valley mindset. Founded in 2013, the firm backs pre-seed and seed-stage founders building companies in emerging market categories across sectors, taking an anti-thematic approach focused on maximising upside. Notable portfolio companies include Deliveroo, Darktrace, and Babylon Health.

Hsbc Innovation Banking

CorporateVC

HSBC Innovation Banking provides innovative financial services to help your business grow, scale, and succeed in a competitive landscape.

Hummingbird VC

VCSeedSeries A+

Hummingbird Ventures is a global seed-stage venture capital firm backing outlier founders building groundbreaking companies across AI, biotech, deep tech, fintech, gaming, healthtech, marketplaces, and SaaS. The firm invests with patient, long-term capital and partners across North America, EMEA, APAC, and South America.

Hygea VCT

VCSeedSeries A+

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.

IAG Capital Partners

VCSeedSeries A+GrowthForeign

IAG Capital Partners is a venture capital firm that leads investment rounds from Seed through Series D, with offices in Charleston, New York and London.

IC Advanced Hackspace

Incubator / AcceleratorAcademiaCoworking

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.

ICONIQ Capital

VCSeries A+GrowthPEForeign

ICONIQ Capital is a privately held global investment firm founded in 2011 in San Francisco, managing over $80 billion in assets for ultra-high-net-worth individuals, families, and institutions. The firm operates across investment management, venture and growth equity, real assets, and impact philanthropy, with its venture arm ICONIQ Growth having invested in over 140 enterprise software, fintech, and infrastructure companies. ICONIQ has offices in San Francisco, Palo Alto, New York, London, and Singapore.

IDEALondon

Incubator / AcceleratorAcademiaCoworking

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.

IP Group plc

VCSeries A+

LSE-listed UK investor that identifies, backs, and grows university spinout businesses across HealthTech, DeepTech, and CleanTech.

IQ Capital

VCPre-SeedSeedSeries A+Growth

IQ Capital is a European deep tech venture capital firm investing from pre-seed through to Series A and beyond, with a focus on frontier technologies including AI, quantum computing, robotics, advanced materials, and synthetic biology. Founded in Cambridge with offices in London and Cambridge, the firm has over $1 billion in assets under management, has backed over 100 deep tech companies, and has achieved more than 20 exits to global technology firms including Apple, Google, Meta and Oracle.

IW Capital

VCSeedSeries A+

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.

Idinvest Partners

VCSeedSeries A+GrowthPEForeign

Idinvest Partners was a leading pan-European private equity and venture capital firm founded in 1997 as AGF Private Equity, specialising in financing small and medium-sized European companies at various growth stages including venture, growth capital, and private debt. The firm managed over €9 billion in assets across more than 4,000 European businesses, with a particular focus on IT, fintech, artificial intelligence, and biotech. In 2018 Eurazeo acquired a majority stake, and the firm was subsequently rebranded as Eurazeo Investment Manager in 2021; its funds are now managed under the Eurazeo platform.

Illuminate Financial

VCSeedSeries A+

Illuminate Financial is a specialist venture capital firm investing in early-stage enterprise AI and fintech companies defining the future of financial services. With offices in London, New York, and Singapore, the firm combines capital with strategic connectivity to global financial institutions, having raised over $500 million across four funds and built a portfolio of 57 companies with 14 exits.

Imperial Enterprise Lab

Incubator / AcceleratorAcademiaCoworking

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 / AcceleratorAcademiaCoworking

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.

In-Q-Tel

VCSeries A+Foreign

US not-for-profit strategic investment firm founded by the CIA in 1999 to fund emerging technologies for the intelligence community.

Index Ventures

VCSeedSeries A+Growth

Index Ventures is a leading venture capital firm founded in Geneva in 1996, investing in technology companies from seed through growth stage. The firm focuses on sectors including AI/ML, fintech, cybersecurity, gaming, consumer, and developer tools, with offices in London, San Francisco, New York, and Geneva. Its portfolio includes companies such as Revolut, Figma, Wiz, Roblox, and Anthropic.

Industry Ventures

VCSeedSeries A+GrowthForeign

Industry Ventures was a San Francisco-based venture capital firm founded in 2000, managing over $8 billion in assets on behalf of institutional investors. The firm deployed capital across the venture lifecycle through secondary purchases, primary fund-of-funds investments, and direct co-investments in technology companies. As of January 2026, Industry Ventures was acquired by Goldman Sachs and its team joined the Goldman Sachs External Investing Group.

Inflexion

PEGrowth

Inflexion is a European mid-market private equity firm headquartered in London, backing high-growth, entrepreneurial businesses with ambitions to scale. The firm manages approximately €16 billion in assets under management and invests £10 million to £400 million of equity per deal across sectors including business services, technology, financial services, healthcare, industrials, and consumer. Inflexion operates from offices in London, Manchester, Amsterdam, Frankfurt, and Stockholm.

Innotribe

Incubator / AcceleratorForeign

Innotribe is SWIFT's fintech innovation initiative, launched in 2009, running a global incubator and the annual Innotribe Startup Challenge — a competition connecting early-stage fintech startups with financial institutions, investors, and industry experts. The programme has engaged over 650 fintech startups worldwide and culminates at Sibos, the global financial services event.

Innovate UK

GovernmentPre-SeedSeedSeries A+GrowthGrantmaker

Innovate UK is the UK's national innovation agency, operating as a council of UK Research and Innovation (UKRI) and sponsored by the Department for Science, Innovation and Technology. It funds and supports organisations across the United Kingdom to develop new products, services, and processes, with an annual budget of approximately £919 million for FY2024/25. Its competitive grant programmes support businesses from proof-of-concept through to growth stage, spanning sectors including net zero, advanced manufacturing, quantum, and digital health.

Innovate UK Innovation Loans

Grantmaker

UK government loan programme run by Innovate UK Loans Ltd (a UKRI subsidiary) offering flexible R&D loans of up to £5m to UK SMEs with commercially promising innovation projects.

Innovation Warehouse

Incubator / AcceleratorCoworking

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 / AcceleratorAcademia

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.