Directory

Datadog

CorporateSaaSAIForeign

Datadog is an American observability and security platform for cloud applications, founded in 2010 in New York City. The company provides infrastructure monitoring, application performance management, log management, real user monitoring, and security tools used by organisations across a broad range of industries. It is publicly listed on NASDAQ and employs over 8,000 people globally.

Dawn Capital

VCSaaSAIBritish

Dawn Capital is a London-based venture capital firm and one of Europe's largest specialist B2B software investors, with over $2 billion in total commitments since its founding in 2007. The firm partners with early-stage founders across Europe building global software companies, with portfolio companies including Mimecast, Dataiku, and Blackwall. Its investment focus spans fintech, cybersecurity, enterprise AI, and B2B SaaS.

Deloitte

Professional ServicesOtherBritish

Deloitte is one of the world's largest professional services networks, providing audit, tax, consulting, financial advisory, and risk advisory services. Founded in London in 1845, the firm operates in over 150 countries with its UK member firm headquartered at New Street Square, London.

Dentons

Professional ServicesOtherForeign

Dentons is the world's largest global law firm by headcount, formed in March 2013 through the merger of SNR Denton, Salans, and Fraser Milner Casgrain. Operating as a Swiss Verein, it comprises over 8,000 lawyers across more than 160 offices in over 80 countries, providing comprehensive legal services across corporate, litigation, and advisory practices. The London office is the firm's largest by lawyer count.

Design Council

Ecosystem Bodies, Catapults & InstitutionsOtherBritish

The Design Council is the UK's national charity for design, incorporated by Royal Charter. It acts as the national strategic adviser on design, championing its value, influencing government policy, and providing skills development and thought leadership to help organisations use design to address complex challenges.

Draper Esprit

VCOtherAIBritish

Draper Esprit, now trading as Molten Ventures, is a leading British venture capital firm investing in high-growth European technology companies. Founded in 2006 as Esprit Capital, it was rebranded Draper Esprit in 2015 and renamed Molten Ventures in November 2021, and is listed on the London Stock Exchange with offices in London, Cambridge, and Dublin.

Dstl

GovernmentDefenceBritish

The Defence Science and Technology Laboratory (Dstl) is an executive agency of the UK Ministry of Defence that maximises the impact of science and technology for the defence and security of the United Kingdom. Formed on 2 July 2001 from the split of the Defence Evaluation and Research Agency (DERA), it provides specialist science and technology services and research to the MoD and wider government. Its primary site is Porton Down in Wiltshire, with additional facilities at Portsdown West, Hampshire.

ECI Partners

PEOtherConsumerBritish

ECI Partners is a London-headquartered growth-focused private equity firm established in 1976, with offices also in Manchester and New York. The firm invests in mid-market UK and Irish businesses, typically backing deals valued up to £300 million across sectors including cloud and digital, financial services, healthtech, and HR and edtech. Over nearly five decades ECI has partnered with more than 250 management teams and manages approximately £3 billion in assets under management.

EQT

PEOtherAIVCForeign

EQT is a global private markets investment organisation founded in 1994 and headquartered in Stockholm, Sweden, listed on Nasdaq Stockholm. The firm manages approximately €206 billion in assets across private equity, infrastructure, real assets, and venture capital strategies and employs a thematic, sector-focused approach across healthcare, technology, and services. EQT has offices across Europe, North America, and Asia Pacific, including a significant London presence.

Earlybird

VCSaaSAIForeign

Earlybird Venture Capital is a pan-European venture capital firm founded in 1997 and headquartered in Berlin, Germany, with offices in London, Milan, and Munich. The firm backs exceptional early-stage technology companies across Europe, providing financial resources, strategic support, and access to an international network, with over €2.5 billion in assets under management.

Elastic

CorporateSaaSCybersecurityForeign

Elastic N.V. is a Dutch-American publicly listed software company founded in 2012, best known for the open-source Elasticsearch search and analytics engine. It provides a Search AI platform spanning enterprise search, observability, and security products used by more than half of the Fortune 500.

Elementis

CorporateOtherBritish

London Stock Exchange-listed specialty materials group producing performance additives for rheology control and surface modification, with expertise in hectorite-based formulation science serving personal care, coatings and energy markets.

ElevenLabs

ScaleupAIBritish

Voice AI research lab building text-to-speech, speech-to-text, dubbing, and conversational voice models used as an industry standard for realistic synthetic speech.

Elliott

PEOtherForeign

Elliott Investment Management L.P. is one of the world's largest activist investment management firms, founded in 1977 and managing approximately $79.8 billion in assets. The firm deploys a multi-strategy approach spanning activist equity, distressed debt, private equity, private credit, and event-driven investing, and is particularly well known for activist campaigns targeting large public companies. It has a significant European presence through its wholly-owned London-based subsidiary, Elliott Investment Management UK Ltd.

Equistone

PEOtherConsumerBritish

Equistone Partners Europe is a mid-market private equity firm that partners alongside management teams to invest in change-of-ownership transactions across Western Europe. The firm deploys €25m–€200m of equity per deal, targeting businesses with enterprise values of €50m–€500m across sectors including business services, consumer, financial services, healthcare, industrials, and technology. Formerly known as Barclays Private Equity, it became independent in 2011 following a management buyout.

Eutelsat OneWeb

CorporateSpaceBritish

Operator of a ~630+ satellite LEO broadband constellation delivering global connectivity; the LEO arm of the Eutelsat Group, with HQ retained in the UK.

F-Prime Capital

VCFinanceAIForeign

F-Prime Capital is an independent venture capital firm affiliated with Fidelity Investments, with $5.3 billion under management and offices in Cambridge MA, London, and San Francisco. The firm invests in healthcare (therapeutics, medtech, and healthtech) and technology (enterprise software, fintech, frontier tech, and crypto), backing early-stage companies while remaining stage-agnostic for exceptional opportunities.

FCA Innovation Hub

GovernmentFinanceBritish

The FCA Innovation Hub is a dedicated function of the Financial Conduct Authority that supports financial services firms to bring innovative products and services to market. Launched in October 2014 as part of Project Innovate, it offers regulatory sandboxes, innovation pathways, digital testing environments, AI support, and direct advisor access to help firms navigate the UK regulatory framework.

FSB

Ecosystem Bodies, Catapults & InstitutionsOtherBritish

The Federation of Small Businesses (FSB) is a UK member-led, not-for-profit trade body representing around 160,000 small businesses, micro businesses and the self-employed. Founded in 1974 as the National Federation of Self Employed, it lobbies UK, devolved and local government on policy issues affecting small firms and provides members with benefits including legal advice and business banking.

FTV Capital

VCFinanceAIForeign

FTV Capital is a growth equity investment firm founded in 1998, specialising in financial technology, financial services, enterprise technology, vertical software, and healthcare technology. The firm has raised over $10 billion in capital and maintains offices in New York, San Francisco, Connecticut, and London, investing in companies globally through its Global Partner Network.

Felix Capital

VCConsumerAIBritish

Felix Capital is a London-based venture capital firm investing at the intersection of technology and creativity, with a focus on digital lifestyle, consumer brands, and enabling technologies including B2B SaaS and AI. The firm backs early- to growth-stage companies across Europe and the US, with over $1.2 billion under management and a portfolio of more than 50 companies. It is Europe's first B Corporation-certified VC firm operating with over $1 billion in assets, and a UN PRI signatory.

Fieldfisher

Professional ServicesOtherBritish

Fieldfisher is an international law firm headquartered in London with origins dating to 1835, operating across offices in 14 countries. The firm has market-leading practices in technology, financial services, energy, and life sciences, and employs over 2,200 people across its global network.

Fifth Third Bank

CorporateFinanceVCForeign

Fifth Third Bank is a major US regional bank headquartered in Cincinnati, Ohio, tracing its origins to 1858. Through its corporate venture arm, Fifth Third Ventures, the bank makes non-controlling minority investments in fintech companies and venture capital funds that align with its strategic priorities. Typical initial investment sizes range from $1 million to $15 million across stages.

Fifth Wall

VCProptechClimateForeign

Fifth Wall is the largest venture capital firm focused on technology for the built environment and global real estate industry, founded in 2016 and headquartered in Los Angeles. The firm manages approximately $3 billion in commitments and capital under management across PropTech and climate tech for real estate, backed by over 115 strategic limited partners including CBRE, Hilton, and Marriott. It expanded into Europe in 2022 with a London office and a €140 million European fund.