Directory

Ace Ventures

VCDeep TechAIForeign

ACE Ventures is a Swiss-based, early-stage VC firm partnering with the next generation of Swiss tech founders who are building transformative businesses, both in Switzerland and abroad.

Acorn Capital Partners

VCOtherPEBritish

Acorn Capital Partners is a UK-based corporate finance and investment firm incorporated in 1999, registered in Derbyshire. The firm raises capital for growing companies by working with private equity funds and high-net-worth individuals, and also invests directly in businesses, typically taking an active management role. It has made investments in a range of sectors including logistics, food production, and technology.

Actis

PEClimateReal EstateBritish

Actis is a London-headquartered global investment firm founded in 2004, specialising in sustainable infrastructure across growth markets in energy, digital infrastructure, long-life infrastructure, and real estate. The firm manages approximately $12.7 billion in assets under management across India, Latin America, South East Asia, the Middle East, Africa, and beyond. In October 2024, Actis joined forces with General Atlantic, creating a combined platform of approximately $97 billion in assets under management.

Active Partners

VCConsumerBritish

Active Partners is a London-based consumer-focused investment firm incorporated in June 2004, partnering with visionary founders to build iconic consumer brands. The firm backs businesses from early-stage startups through to established companies seeking step-change growth, investing exclusively in the consumer sector with expertise across brand building, internationalisation, and scaling. It is authorised and regulated by the FCA and is a member of the BVCA.

Acurable

ScaleupBiotech & Life SciencesConsumerBritish

Medical wearable maker; AcuPebble SA100 is a wireless patch for automated at-home diagnosis and management of obstructive sleep apnoea and respiratory conditions.

Ada

AcademiaEdtechBritish

Empowering the next generation of diverse digital talent.

Ada Lovelace Institute

Ecosystem Bodies, Catapults & InstitutionsAI SafetyAIBritish

The Ada Lovelace Institute is an independent research institute established by the Nuffield Foundation in 2018 to ensure that data and AI work for people and society. It conducts research, policy analysis and public deliberation on the ethical and social implications of AI and data-driven technologies, operating in collaboration with partners including The Alan Turing Institute, the Royal Society and the British Academy.

Ada Ventures

VCSaaSAIBritish

Ada Ventures is a UK-based pre-seed inclusive venture capital firm that invests £250k–£1.5m in technology companies at their first funding round, before clear signs of product-market fit. Incorporated in 2018 and launching its first fund in late 2019, it focuses on European founders building businesses addressing climate equity, economic empowerment, and healthy ageing, operating from offices in London and Bristol.

Ada's List

CommunityOtherBritish

Ada's List was a global community network for women and non-binary people working in technology, founded in London in October 2013 as an email group. It grew to over 150,000 members and joined TechLadies in 2022–2023, with the community integrated into the Tech Ladies platform. The adaslist.co domain has since been repurposed and no longer belongs to the organisation.

Adamo Foods

StartupConsumerClimateBritish

Makes whole-cut steak alternatives from fungi and mycelium via a triple-patented fermentation process that replicates muscle texture. Products contain all essential amino acids and produce significantly fewer carbon emissions than conventional beef.

Adams Street Partners

PEOtherVCForeign

Adams Street Partners is a global private markets investment manager founded in 1972, managing approximately $70 billion in assets (as at December 2025) across primary, secondary, co-investment, growth equity, and private credit strategies. It serves more than 770 institutional investors and operates 14 offices worldwide, including a London office near Marble Arch.

Adaptyv Bio

StartupBiotech & Life SciencesDeep TechForeign

Adaptyv generates the data that AI models need to design new proteins — in just 3 weeks. Fully automated lab, clean experimental data, and comprehensive API.

Adarga

ScaleupDefenceAIBritish

Adarga Vantage SaaS AI/NLP platform processing vast unstructured open-source and in-house data for intelligence analysis and decision support in defence and national security.

Addepar

ScaleupFinanceAIForeign

Addepar is a global data and AI company serving the financial services ecosystem. Powering more than 9T in assets across 1,400+ clients and 60+ countries.

Adeline Arts & Science

VCOtherAIBritish

London family office backing pre-seed to Series A startups across technology, deep science, and the arts; average cheque £150k; runs the Founders' Floor co-working hub in Holborn.

Adendra Therapeutics

StartupBiotech & Life SciencesDeep TechBritish

Immunotherapy company leveraging dendritic-cell biology to develop therapeutics for solid cancers and autoimmune disease.

Adfin

StartupFinanceAIBritish

London fintech building an agentic payments platform that uses AI agents to automate invoicing, payments collection and reconciliation for small and medium-sized businesses.

Adobe

CorporateSaaSMediaForeign

Adobe Inc. is an American multinational software company headquartered in San Jose, California, specialising in creative, marketing, and document management software. Its product portfolio spans Digital Media (Creative Cloud, including Photoshop, Illustrator, and Premiere Pro), Digital Experience (Adobe Experience Cloud for marketing and analytics), and document services (Acrobat and PDF). Adobe serves creative professionals, marketers, educators, and enterprises worldwide and employs over 30,000 people globally.

Advai

ScaleupCybersecurityAIBritish

AI assurance and security firm that stress-tests, red-teams and monitors ML/LLM and computer-vision systems for adversarial vulnerabilities and failure modes.

Advantage Business Angels

VCFinanceBritish

Advantage Business Angels is a UK angel network that has been sourcing equity finance for early-stage and growing businesses since 2003, having raised over £30 million across more than 200 transactions. The network connects entrepreneurs seeking investment with angel investors, typically writing tickets of £50,000 to £500,000, and has a stated historical success rate ahead of the market norm.

Advantage Early Growth Fund

VCOtherBritish

Advantage Early Growth Fund (AEGF) is a closed venture capital co-investment fund based in Tamworth that invested in early-stage businesses with growth potential located within the West Midlands region of the UK. The fund made over 100 investments in West Midlands companies alongside private sector investors and is fully invested and no longer accepting new applications.

Advent International

PEOtherConsumerForeign

Advent International is a global private equity firm founded in 1984 with approximately $100 billion in assets under management and 600+ colleagues across five continents. The firm invests across five sectors — business and financial services, consumer, healthcare, industrials, and technology — in more than 44 countries. It operates from offices across the Americas, Europe, and Asia-Pacific, including a UK presence in London.

Adyen

CorporateFinanceVCForeign

Run payments, manage your data, and offer financial products in one platform. Adyen is purpose-built for the world