Directory

Calibre

StartupAISaaSBritish

London-based AI startup building autonomous agents for the $200B+ testing, inspection and certification (TIC) industry, founded by ex-Palantir engineers.

Cambrian Robotics

ScaleupAIBritish

AI-driven 3D machine-vision software and camera hardware enabling existing robot arms to perform bin picking, kitting and pick-and-place tasks across variable lighting conditions.

Cambridge Capital Group

VCAICybersecurityBritish

Cambridge Capital Group (CCG) is a business angel network of over 80 private investors, family offices, and venture funds that has been investing in hi-tech technology startups across the UK's Golden Triangle (Cambridge, London, Oxford) since 2000. The group has invested more than £50 million across a portfolio of over 100 startups, with a focus on seed and early-growth stage opportunities in sectors such as AI, medtech, biotech, cyber security, and deep technology.

Camden Collective

CoworkingOtherCommunityBritish

Camden Collective is a registered charity (Charity No. 1148689) providing free hotdesking and subsidised fixed-desk and private office space for creative and entrepreneurial start-ups in Camden Town. It began in 2009 as a Camden Town Unlimited initiative responding to post-financial-crisis high street vacancy, becoming an independent charity in 2012. The organisation repurposes vacant and underused properties across the borough in partnership with Camden Town Unlimited and Euston Town.

Campus Capital

VCSaaSAIBritish

Campus Capital is the UK's first on-campus venture capital fund, founded in Sheffield in 2016 and now based in Manchester, investing at the earliest stages into innovative technology-enabled businesses across the UK. The firm operates a distinctive Student VC programme, enabling PhD, MBA, and undergraduate students to participate in real investment decisions alongside its investment committee, with university partnerships including Sheffield, Manchester, and Lancaster.

Canvas Offices

CoworkingOtherBritish

Canvas Offices is a London-based flexible workspace provider founded in 2013 by two brothers, offering design-led private offices across 14+ locations in Shoreditch, Old Street, Clerkenwell, Farringdon, Holborn, Mayfair, and Dalston. The company creates bespoke, beautifully crafted office environments for businesses in tech and creative industries, consistently achieving around 97% occupancy.

Capsa AI

StartupFinanceAIBritish

AI operating system for private capital firms that indexes fund knowledge, accelerates due diligence, and automates workflows across the investment lifecycle.

Carbon13

Incubator / AcceleratorClimateOtherBritish

Carbon13 is a venture builder dedicated to the climate emergency, supporting entrepreneurs to build companies with the potential to reduce or remove at least 10 million tonnes of CO2e per year at scale. Founded in 2019 and headquartered in Cambridge, it runs cohort-based Venture Builder programmes in Cambridge and Berlin as well as a Venture Accelerator for pre-seed startups, and has backed more than 90 climate tech ventures across sectors including energy, agriculture, materials, and the built environment.

CarbonChain

ScaleupClimateAIBritish

AI-powered carbon accounting platform for carbon-intensive supply chains — including metals, mining, manufacturing and commodities — providing asset-level emissions data and analytics to support decarbonisation reporting.

Carmoola

StartupFinanceConsumerBritish

App-based direct-to-consumer car finance provider enabling UK customers to obtain approval and manage repayments entirely through a mobile app.

Causaly

ScaleupBiotech & Life SciencesAIBritish

Agentic AI platform for life sciences R&D; biomedical knowledge graphs that let pharma teams search, visualise and interpret literature to accelerate drug discovery.

Cervus

ScaleupDefenceAIBritish

Defence data-analytics SME turning training and performance data into decision support; built the 'Forge' decision tool for the British Army.

Chariot Innovations

Incubator / AcceleratorOtherBritish

Chariot Innovations is the wholly owned commercial arm of the London School of Hygiene and Tropical Medicine (LSHTM), bridging the gap between academic research and enterprise. It supports LSHTM staff and students with commercialisation of inventions, spinout formation, technology development, and consultancy, translating global-health research into real-world benefit. Incorporated in November 2012, it operates from the LSHTM campus near Russell Square.

Charity Digital

Ecosystem Bodies, Catapults & InstitutionsOtherBritish

Charity Digital is a UK non-profit organisation dedicated to supporting charities and voluntary organisations with digital transformation, providing educational content, training, software products, and events. Originally founded in 2001 as Charity Technology Trust (later known as Tech Trust), it rebranded as Charity Digital in 2019.

Charlotte Street Capital

VCSaaSBritish

Charlotte Street Capital is a pre-seed and early-stage venture capital firm based in London, founded in 2011. It focuses on being the first money in for UK B2B and B2B2C software startups, typically leading rounds of up to £300,000. The firm invests in online software businesses with demonstrated customer traction.

Circularity Capital

PEClimateOtherBritish

Circularity Capital is a specialist private equity firm founded in 2015 and headquartered in Edinburgh, with an additional London office. The firm invests in growth-stage European businesses that are built on circular economy models — decoupling growth from resource consumption — across sectors including logistics, food production, e-commerce, and subscription services. Its investor base includes pension funds, fund-of-funds, insurance companies, and family offices; its second fund closed at €215 million in 2022, making it the largest specialist circular economy private equity fund in the world at the time.

Citi SPRINT

VCFinanceAIForeign

Citi SPRINT (Spread Products Investments in Technology) is the strategic venture investing arm of Citi's Global Spread Products division, established in 2019. The team focuses on sourcing, executing, and managing principal equity investments in fintech lenders, private credit infrastructure providers, digital origination platforms, and asset-backed finance technology companies. It operates at the intersection of private credit, embedded finance, and corporate venture, and has co-invested alongside Citi Ventures and institutional partners such as Carlyle Group.

ClaimSorted

StartupFinanceAIForeign

AI-powered insurance claims management platform acting as a next-generation third-party administrator (TPA) for insurers, settling claims at faster-than-industry speed.

Clarence Centre

Incubator / AcceleratorOtherAcademiaCoworkingBritish

The Clarence Centre for Enterprise and Innovation is London South Bank University's flagship incubation and co-working hub, housed in 17 Grade II listed Georgian terraces on the Southwark campus. It provides flexible office space, event facilities, and enterprise support to over 60 SMEs, student entrepreneurs, and non-profit organisations, and hosts LSBU's Research, Enterprise and Innovation team. The centre opened in September 2013 and won the RICS Regeneration Award for its restoration of the historic buildings.

Clarendon Fund Managers

VCOtherSaaSBritish

Clarendon Fund Managers Limited is a venture capital fund manager based in Belfast, authorised and regulated by the Financial Conduct Authority. It manages approximately £94 million of regional VC funds in Northern Ireland, including the Co-Investment Fund and the Investment Fund for Northern Ireland, and has invested in over 100 companies since 2001. The firm also manages HBAN Ulster, the Halo Business Angel Network in Northern Ireland, supporting investments from angel co-investors alongside its own funds.

Clean Food Group

StartupBiotech & Life SciencesClimateBritish

Food-tech biotech using non-GMO yeast fermentation on surplus bread and food waste to produce sustainable palm-oil and fat alternatives (CleanOil) for food and cosmetics applications.

Clean Growth Fund

VCClimateBritish

UK climate-focused venture capital fund investing £500k–£5m in early-stage cleantech startups reducing greenhouse gas emissions, managing a £101m portfolio of 22 companies.

Clearbell

PEReal EstateProptechBritish

Clearbell Capital is a UK-based private equity real estate fund management business incorporated in 2012, managing approximately £3.4 billion in assets. The firm specialises in value-add UK real estate across student accommodation, logistics, and single-family housing, operating thematic, discretionary, and advisory accounts. It is authorised and regulated by the Financial Conduct Authority.

Climate Policy Radar

Ecosystem Bodies, Catapults & InstitutionsClimateAIBritish

Uses data science and AI to track, structure and analyse global climate laws and policies, making them accessible through an open, searchable database used by researchers and governments worldwide.