Directory

Climate X

ScaleupClimateAIBritish

Physical climate-risk analytics platform using satellite Earth observation, digital-twin modelling and AI to score and price climate hazards across asset portfolios for financial institutions and insurers.

Clockwise

CoworkingOtherBritish

Clockwise is a flexible workspace provider founded in Glasgow in 2017, offering private offices, co-working spaces, and meeting rooms across the UK and mainland Europe. The company operates locations in cities including Glasgow, Belfast, London, Manchester, Liverpool, Edinburgh, Bristol, Cheltenham, Exeter, Cardiff, and Southampton, as well as sites in Germany, Belgium, and the Netherlands.

Cloud Native London

CommunityOtherBritish

**Cloud Native London** is a strong, open, diverse developer community around cloud, data and AI in London. Since 2017, our monthly events have brought together 10k members, primarily senior DevOps / platform engineers and technical architects.Speak or sponsor: [http://cloudnativelon.com/](http://cl

CloudNC

ScaleupAIBritish

AI software platform (CAM Assist) that automates CNC machine programming, acting as a self-driving system for precision-manufacturing factories and machine shops.

Co-Laboratories

CoworkingOtherIncubator / AcceleratorBritish

Co-Laboratories is a community-led lab operator providing flexible, affordable laboratory and office space for early-stage life science and biotech startups. The company partners with property owners such as British Land to deliver co-working labs across London and Cambridge, including a 6,500 sq ft co-working lab at Regent's Place in Euston, developed with British Land. Incorporated in November 2021, it also offers fit-out consultancy and lab management services to property partners.

Co-op Ventures

CorporateConsumerIncubator / AcceleratorBritish

Co-op Ventures is the innovation and new business unit of The Co-operative Group, established to develop and launch challenger businesses in markets where Co-op's values and difference can add real value. Based at the Co-op's Manchester headquarters, it targets sectors with unmet customer needs and uses digital business models to create new Co-op enterprises.

Cocoon Carbon

StartupClimateProptechBritish

Sustainable construction materials startup producing LoopCem, a low-carbon cementitious material made from electric-arc-furnace steel slag that reduces embodied CO2 in concrete.

Coding Black Females

CommunityOtherBritish

Coding Black Females is a UK non-profit community organisation founded in 2017 to build, support, and educate Black women working in or entering tech. It runs bootcamps, meetups, and a #VisibleInTech campaign, and offers programmes in cloud engineering, software engineering, and full-stack development.

CogStack

StartupBiotech & Life SciencesAIBritish

AI/NLP software suite that searches and interprets structured and unstructured clinical data in patient records to support clinical decisions; formally spun out of KCL, UCL and NHS trusts in December 2025.

Common Magic

VCOtherBritish

London-based solo-GP pre-seed and seed fund by Sarah Drinkwater, backing European and US founders building products with community as a core moat.

Concentric

VCFinanceAIBritish

Concentric is an early-stage venture capital firm founded in 2013 by Denis Shafranik and Kjartan Rist, with offices in London and Copenhagen, authorised and regulated by the Financial Conduct Authority. It partners with sector-defining founders across Northern Europe to invest in technology companies across fintech, enterprise software, and digital media, typically deploying €0.5–5 million over the life of each investment.

Conception X

Incubator / AcceleratorOtherAIBritish

Conception X is a not-for-profit venture-building platform and the largest cross-university deep technology programme for PhD researchers across Europe, supporting them to launch startups based on their proprietary research. Founded in 2018 within UCL's Faculty of Engineering, it runs the Venture Scientist 100 fellowship and investment-readiness programmes, and has helped create over 200 deep tech startups valued at more than £1 billion. In 2025 it also launched an angel syndicate to fund European deep tech PhD founders.

Concirrus

ScaleupFinanceAIBritish

AI-driven specialty insurance underwriting platform ingesting satellite, AIS and IoT data to power risk analytics, pricing and portfolio management for marine, aviation and property insurers.

Connected by Data

Ecosystem Bodies, Catapults & InstitutionsAICommunityBritish

Connected by Data is a UK not-for-profit campaign organisation working to ensure communities have a meaningful and powerful say in decisions about data and AI. It convenes the Data and AI Civil Society Network, hosts a Community of Practice for public engagement practitioners, and supports grassroots campaigns on data governance. The organisation has announced plans to wind down its operations by March 2027.

Converge

ScaleupClimateAIBritish

AI platform with embedded sensors (ConcreteDNA, Mix AI) to monitor, optimise and decarbonise concrete materials and pours in real time, reducing embodied carbon in construction.

Cool Initiatives

VCEdtechBritish

Cool Initiatives is a specialist early-stage investor in EdTech based in Lincoln, Lincolnshire, and part of the Cool Milk group. Founded by philanthropist Jon Thornes MBE, it provides funding and operational expertise to UK-based education technology businesses focused on improving school administration and teaching efficiency.

Copper Street Capital

PEFinanceBritish

Copper Street Capital LLP is a London-based alternative investment firm focused on extracting value from the capital structures of non-mainstream European banks, investing primarily in subordinated debt. Established in 2015 with its fund launched in August 2016, the firm is authorised and regulated by the UK Financial Conduct Authority and registered with the SEC as an Exempt Reporting Adviser. Its strategy is intentionally capacity-constrained to preserve nimbleness and runs a concentrated, high-conviction portfolio.

Cornerstone VC

VCAIFinanceBritish

London-based pre-seed and seed stage VC fund with a "people before product" philosophy, backing diverse tech founders across AI, fintech, health tech, and more.

Count Finance

StartupFinanceAIBritish

London fintech offering the UK's first automated FCA-regulated financial adviser, providing personalised budgeting, saving, and investment advice via app.

Crescent Capital

VCOtherSaaSBritish

Crescent Capital is a Belfast-based venture capital fund manager founded in 1995, focused on investing in Northern Ireland companies operating in the information technology, life sciences, and manufacturing sectors. The firm has raised over £60 million to date from government, private, and institutional investors, and manages the North Ireland Growth Fund, providing portfolio companies with capital, strategic guidance, and access to its business network.

Crimson

StartupLegalAIBritish

London-based AI case intelligence platform for complex litigation and dispute resolution, helping lawyers analyse evidence, draft documents, and prepare for trial.

Crypto Investors London

CommunityFinanceOtherBritish

"Crypto Investors London" is a Meetup group based in London that caters to analysts, quants, and traders who are interested in the cryptocurrency market. The group's focus is on the latest technology and innovations that can help streamline the workflow of trading digital assets and analyzing the ma

Crypto London

CommunityOtherBritish

"Crypto London" is a Meetup group dedicated to exploring the exciting world of cryptocurrency and blockchain technology. The group provides a platform for individuals who are interested in learning about the latest trends and developments in the field of cryptocurrency and blockchain technology.Thro

Crypto Quantique

ScaleupCybersecurityQuantumBritish

Quantum-driven semiconductor IP (QDID) generating unforgeable cryptographic keys on standard CMOS, plus the QuarkLink IoT security platform with post-quantum cryptography.