Directory

Aegon

CorporateFinanceForeign

Aegon is a Dutch multinational financial services group providing life insurance, pensions, and asset management to customers worldwide. Founded in 1844, it operates through fully owned businesses, partnerships, and strategic shareholdings primarily in the United States and internationally, managing approximately €293 billion in assets. In April 2026 Aegon announced the sale of its UK insurance and pensions division to Standard Life for £2 billion, with the transaction pending completion.

Agilitas

PEOtherBritish

Agilitas is a pan-European mid-market private equity firm founded in 2011, specialising in transformational investments in defensible businesses across sectors including TMT, healthcare, education, environmental services, and protection and security. The firm works closely with management teams to develop and execute multi-dimensional transformation plans, with a strong operational focus, an ESG emphasis, and offices in London, Paris, Copenhagen, Luxembourg, Frankfurt, and Milan. Agilitas closed its Agilitas 2020 Private Equity Fund at its €565 million hard cap in March 2021.

AgriWebb

ScaleupSaaSForeign

Australian livestock farm-management SaaS helping producers capture and analyse data to improve efficiency and sustainability of grazing operations. Founded in Sydney in 2014, the company has expanded globally including a UK presence.

AgrigateOne

StartupLogisticsBritish

Cloud platform digitising the fresh-produce supply chain by aggregating data from disparate systems to give growers and buyers real-time global visibility.

Aibuild

ScaleupAISaaSBritish

AI software for large-scale robotic additive manufacturing: AiSync cloud platform plus AiMaker robotic end-effector and AiCell enclosure for industrial 3D printing.

Aide Health

StartupBiotech & Life SciencesDeep TechBritish

Digital platform for remote monitoring and self-management of long-term conditions including asthma, type-2 diabetes, IBD and heart disease.

Aikido

ScaleupCybersecurityForeign

Continuous, autonomous security that gets developers back to building.

Air Street Capital

VCAIBritish

Air Street Capital is a London-based early-stage venture capital firm investing in AI-first companies building enduring, high-impact businesses. The firm focuses on backing founders as early as possible, typically at pre-seed and seed stage, and recently closed Fund III at $232M.

AirOps

StartupAISaaSForeign

Build an AI discovery strategy that earns trust across the web, gets your brand chosen by AI, and drives growth with AirOps.

Airbnb

CorporateConsumerE-commerceForeign

Airbnb, Inc. is an American online marketplace headquartered in San Francisco that facilitates short-term home rentals and experiences, connecting hosts with guests across almost every country in the world. Founded in 2008 and publicly listed on NASDAQ since 2020, the platform has hosted over two billion guest arrivals through more than five million host listings globally. Its business spans short-term accommodation, long-term stays, and curated local experiences.

Airspeed

StartupAISaaSBritish

AI-native agent platform that turns customer conversations into automated CRM updates, deal intelligence and sales coaching for revenue teams.

Airtable

ScaleupSaaSForeign

500,000+ brands use Airtable to enable real-time collaboration, automate repetitive tasks & manual work, and streamline business processes in minutes. Join them.

Airwallex

ScaleupFinanceSaaSForeign

Airwallex is a global fintech scaleup providing cross-border payments, multi-currency accounts, FX, and embedded financial infrastructure for businesses, with a significant UK and EMEA presence based in London.

Aisel Health

StartupBiotech & Life SciencesDeep TechForeign

Aisel removes friction in preparation, handover and documentation for private psychiatric clinics - so you can scale capacity without compromise.

Aisy

StartupCybersecurityAIBritish

AI-native, attacker-driven vulnerability prioritisation platform that turns overwhelming alert volumes into clear, business-context risk rankings for security teams.

Akamai

CorporateCybersecuritySaaSForeign

Akamai Technologies is an American technology company headquartered in Cambridge, Massachusetts, specialising in content delivery networks (CDN), cloud computing, cybersecurity, and DDoS mitigation services. Founded in 1998 as a spin-out from MIT, the company operates one of the world's largest distributed computing platforms, serving a significant portion of global web traffic. Its offerings span edge computing, zero-trust security, cloud delivery, and media streaming.

Akuna Capital

CorporateFinanceForeign

Akuna Capital is an innovative trading firm specializing in options market making, powered by cutting-edge technology and collaboration across Trading, Tech, Quant, and Operations.

Akur8

ScaleupFinanceAIForeign

Unlock your full potential with AI-first, end-to-end actuarial software, built for trust and transparency. Discover Akur8 now >

Alan Turing Institute

AcademiaAIAI SafetyGovernmentBritish

The Alan Turing Institute is the UK's national institute for data science and artificial intelligence, founded in 2015 by five universities and the Engineering and Physical Sciences Research Council. Headquartered at the British Library in London, it conducts research, trains the next generation of data scientists, and works with public and private partners to advance the responsible use of AI and data science for the benefit of society.

Alation

ScaleupAISaaSForeign

Global enterprises trust Alation to get their AI right — and keep it right. So we built the Alation Intelligence Operating System.

AlbionVC

VCSaaSAIBritish

AlbionVC is the technology investment arm of Albion Capital Group LLP, founded in 1996 and based in London. The firm partners with visionary founders with long-term capital and scale-up expertise, investing from seed through to Series B primarily in UK-based high-growth B2B software and technology-enabled services businesses. AlbionVC manages approximately £1 billion of venture funds and has backed notable companies including Booking.com, Quantexa, and Elliptic.

Albora Technologies

StartupSpaceDeep TechBritish

GNSS/PNT deep-tech company delivering hardware-agnostic, cloud-based SaaS positioning (ALCORE algorithm) with centimetre-level accuracy in GNSS-challenged urban and industrial environments.

Alchemab Therapeutics

StartupBiotech & Life SciencesDeep TechBritish

Alchemab Therapeutics is a clinical-stage biotech company that discovers antibody therapeutics by analysing the immune repertoires of individuals naturally resilient to diseases such as ALS, Huntington's and cancer.

Alchemy Partners

PEFinanceBritish

Alchemy Partners is a London-based private equity and special situations investment firm founded in 1997, specialising in distressed debt, capital solutions, and equity investments across Europe. The firm has completed over 230 transactions and advises approximately £2.8 billion of assets across 16 European countries.