Directory

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.

CarbonLaces

StartupClimateFinanceBritish

Climate-fintech platform delivering energy and carbon intelligence for the built environment, combining AI tools with satellite and earth-observation data to scale decarbonisation finance and digital monitoring, reporting and verification (D-MRV).

Caribbean Tech Collective UK

CommunityOtherForeign

Caribbean Tech Collective is a UK community for Caribbean and wider Black professionals in tech, product, data, engineering and operations. Events and partnerships.

Carlyle

PEOtherForeign

The Carlyle Group is one of the world's largest global investment management firms, founded in 1987 in Washington DC. It specialises in private equity, real assets, and private credit across four continents, managing approximately $475 billion in assets under management.

Carmoola

StartupFinanceConsumerBritish

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

Carta

Professional ServicesFinanceSaaSForeign

Carta is a San Francisco-based equity management platform that helps private companies, investors, and employees manage cap tables, 409A valuations, equity plans, and fund administration. Originally founded as eShares in 2012, it rebranded to Carta in 2017 and expanded into the UK and European markets through its acquisition of Capdesk. The platform manages over $2 trillion in equity for nearly two million people globally.

CaseCraft.AI

StartupLegalAIBritish

AI-powered access-to-justice platform for UK small claims, guiding claimants and defendants through court-ready filings and early dispute resolution.

Cast AI

ScaleupSaaSAIForeign

Kubernetes optimization platform for reliability and performance. CAST AI uses SLO signals to take guardrailed actions in production.

Catalyst Venture Partners

VCOtherBritish

Catalyst Venture Partners is a Bath-based venture capital and corporate finance advisory firm founded in 1999, specialising in early-stage investments in technology companies with strong intellectual property across sectors including environmental technology, healthcare, software, media, and telecoms in the UK and Western Europe.

Catapult Sports

ScaleupSaaSAIForeign

Catapult is a global sports technology company providing wearable tracking, athlete management, video analysis, and recruiting tools to over 5,500 elite teams across 40+ sports worldwide, with a London office in the City of London.

Cato Networks

ScaleupCybersecurityForeign

Cato SASE Cloud converges SD-WAN, security, global backbone, and remote access into a global cloud-native service. WE ARE SASE™

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.

Celonis

ScaleupAISaaSForeign

The Celonis Platform gives Enterprise AI the operational context it needs to succeed, so you can transform your operations and drive value.

Censys

ScaleupCybersecurityForeign

Censys empowers security teams with the most comprehensive, accurate, and up-to-date map of the internet to defend attack surfaces and hunt for threats.

Centerbridge Partners

PEFinanceReal EstateForeign

Centerbridge Partners is a global alternative investment manager founded in 2005, with over $38 billion in assets under management across private equity, private credit, and real estate strategies. The firm pursues upper-middle-market buyouts, distressed securities, and credit investments across sectors including financials, healthcare, industrials, technology and real estate. It is headquartered in New York with additional offices in London, Miami and Luxembourg.

Centre for Entrepreneurs

Ecosystem Bodies, Catapults & InstitutionsOtherBritish

The Centre for Entrepreneurs (CFE) is a UK entrepreneurship foundation formed from a merger of a think tank and the New Entrepreneurs Foundation in 2017. It delivers entrepreneurial development programmes, conducts research on entrepreneurship, builds entrepreneurial communities, and engages policymakers and the public to foster a more entrepreneurial UK.

Centrica Innovations

VCClimateBritish

Centrica Innovations is the corporate venture capital and innovation arm of Centrica plc, a FTSE 100 energy and services company, incorporated in September 2017. It invests in and partners with startups transforming energy, electric mobility, home services and distributed energy, with a committed fund of up to £100 million. The unit focuses on early-stage ventures that align with Centrica's strategic energy transition priorities.

Cera

CorporateBiotech & Life SciencesAIBritish

Digital-first home healthcare provider using AI to predict and prevent health deterioration, delivering tech-enabled care visits at home across the UK.

Cerberus

PEFinanceReal EstateForeign

Cerberus Capital Management is a global alternative investment advisor founded in 1992, managing approximately $70 billion in assets across credit, operational private equity, and real estate platforms. The firm specialises in value creation through business transformation, middle-market direct lending, and corporate credit. Its European operations are headquartered in Mayfair, London.

Certain Energy

StartupClimateDeep TechBritish

Certain Energy is a British long-duration energy storage company spun out of Imperial College London, developing manganese-based flow battery technology to store renewable power and stabilise electricity grids.

Cerve

StartupLogisticsSaaSBritish

API-first infrastructure and standardised protocol to digitise the global food supply chain, providing product data and automated workflows for retailers, wholesalers and manufacturers.

Cervus

ScaleupDefenceAIBritish

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

Chainalysis

ScaleupCrypto & Web3CybersecurityForeign

Chainalysis combines blockchain data and AI to help government agencies, crypto businesses, and financial institutions engage confidently with crypto.

Channel 4 Ventures

VCConsumerMediaCorporateBritish

Channel 4 Ventures is the consumer venture capital arm of Channel 4, the UK public service broadcaster. It is the UK's largest media-for-equity fund, investing media budgets of £2m–£10m in high-growth consumer brands in exchange for equity, rather than deploying cash. The fund backs companies from seed to pre-IPO stage seeking to become UK household names.