Directory

01Health

StartupBiotech & Life SciencesAIBritish

London healthtech platform powering local clinics to deliver specialist care (orthodontics, dental sleep medicine) via AI tools, clinical protocols, and specialist oversight.

1001 AI

StartupAILogisticsBritish

1001 is the AI-powered intelligence layer helping enterprises transform decisions, orchestrate actions, and accelerate outcomes.

10x Banking

ScaleupFinanceSaaSBritish

Discover our innovative banking platform. We take care of your core banking infrastructure, so that you can create personalized customer experiences. - SaaS Core Banking Platform | Digital Banking Solution | 10x Banking October 7, 2024

123Financials

Professional ServicesOtherBritish

123Financials is a London-based accountancy firm incorporated in 2017 as 123 FS Limited, providing tailored financial solutions to startups, SMEs, freelancers, and individuals. Its services include bookkeeping, tax planning, CFO advisory, R&D tax credits, EIS/SEIS support, and outsourced finance functions, with sector expertise spanning technology, real estate, healthcare, investment management, and retail.

1Password

ScaleupCybersecuritySaaSForeign

Protect passwords and secrets, manage app access, and secure AI tools with 1Password. Easy to adopt from growing teams to enterprise.

24 Haymarket

ScaleupSaaSAIFunding PlatformBritish

24 Haymarket is a London-based FCA-regulated investment platform and angel network that connects high-growth UK technology companies with a curated network of over 100 experienced investors, including former entrepreneurs and executives. The firm focuses on Seed and Series A stage investments and has completed over 80 investments across its portfolio.

2D Nano

StartupClimateBritish

Sustainably manufactures 2D materials (graphene, boron nitride, MoS2) at tonne scale for concrete, batteries, coatings, composites and thermal fluids.

2K

CorporateGamingForeign

2K publishes titles in today

350 Investment Partners

Professional ServicesClimateVCBritish

350 Investment Partners (trading as 350IP) is a UK-based corporate finance advisory and venture-building firm specialising in high-growth companies in the sustainability and impact sector. Formerly known as CT Investment Partners, it advises entrepreneurs on raising institutional venture and infrastructure capital, and provides strategic consultancy across cleantech and clean energy. It is an appointed representative of Ragnar Capital Partners LLP, regulated by the FCA.

3DPRINTUK

ScaleupDeep TechBritish

London 3D-printing service bureau specialising in low-volume / short-run batch production via SLS, MJF and SAF nylon; largest such capacity in the UK.

44.01

ScaleupClimateBritish

Permanent carbon dioxide removal via accelerated mineralisation, injecting captured CO2 into reactive peridotite rock to turn it into stable carbonate minerals.

4GD

ScaleupDefenceDeep TechBritish

SmartFacility instrumented immersive physical/virtual close-combat and UAS synthetic training environments (Ecfectus, Acies, SimWall) for the British Army.

9fin

ScaleupFinanceAIBritish

AI-native platform for debt-capital-markets data and intelligence (leveraged finance, high-yield, distressed, private credit).

ACE

GovernmentCybersecurityAIBritish

The Accelerated Capability Environment (ACE) is a Home Office unit that takes an innovative, industry-led approach to solving technology and data challenges for UK public sector agencies, particularly in law enforcement and national security. Founded in 2017 within the Office for Security and Counter Terrorism (OSCT), it operates via the Vivace community of over 180 private sector and academic organisations, primarily SMEs and start-ups. It has since expanded beyond the Home Office to support wider government partners.

AI Score

StartupAI SafetyCybersecurityBritish

AI Score is a London-based startup building an AI governance platform that gives enterprises real-time visibility into how generative and agentic AI is used, helping risk, legal and compliance teams manage adoption and control exposure.

AI Signals

StartupAIBritish

AI Signals

AISI

GovernmentAI SafetyAIBritish

The AI Security Institute (AISI) is the UK government's research body dedicated to understanding and mitigating the risks posed by advanced AI systems. Operating within the Department for Science, Innovation and Technology, it conducts technical safety research, evaluates frontier AI models, and works with governments and AI developers to develop safeguards. Originally established in November 2023 as the AI Safety Institute, it was renamed AISI in February 2025.

AKQA

Professional ServicesOtherForeign

AKQA is a design and innovation company receiving recognition for the influence of our work and its ability to make a positive difference in people’s lives.

AMD

CorporateAIForeign

Advanced Micro Devices (AMD) is a global semiconductor company headquartered in Santa Clara, California, designing and manufacturing CPUs, GPUs, FPGAs, and embedded processors for computing, gaming, data centres, and AI workloads. Its product lines include Ryzen processors, Radeon graphics cards, and EPYC server CPUs. The company has a significant UK design office at Cambridge Science Park.

AMFG

ScaleupSaaSBritish

SaaS workflow and MES platform for low-volume, high-mix manufacturers, covering quoting, production scheduling, shop-floor control and post-processing management; customers include HP, Volvo and L'Oréal.

ARIA

GovernmentOtherAIGrantmakerBritish

ARIA is a UK government-backed R&D funding agency, formally established in January 2023 as a non-departmental public body sponsored by the Department for Science, Innovation and Technology. It funds high-risk, high-reward research programmes across areas such as AI safety, climate resilience, robotics, and biotechnology, with an £800 million government endowment.

ARQ

ScaleupFinanceCrypto & Web3Foreign

ARQ opens the world

ARTIS

StartupFinanceSaaSBritish

Workflow software for traders and brokers: Bulletproof data, Real-time collaboration and Access Anywhere for oil and gas, commodities trading and broking

ARX Robotics

StartupDefenceAIForeign

ARX Robotics is a European defence-tech startup building autonomous unmanned ground vehicles (UGVs) and the Mithra OS AI operating system for military and defence applications, with a UK headquarters in London and a production facility in south-west England.