The best AI companies in London

London AI cloud company that builds and runs GPU data centres across Europe and the US.

Alphabet spinout led by Demis Hassabis using AI to design new drugs.

Builds end-to-end AI driving software that lets cars drive themselves without detailed maps.

AI voice company making realistic speech, voice cloning and voice agents, with its main hub in London.

AI lab building self-improving AI to automate research and discovery, with offices in London and San Francisco.

Decision intelligence software that connects data to spot fraud, financial crime and risk for banks and governments.

AI video platform that turns text into videos with realistic AI avatars for business training.

Physics AI platform that helps engineers in aerospace, auto and energy design and test products faster.

AI infrastructure company that finances, builds and runs AI compute. Offices in London, Palo Alto and New York.

Designs AI inference chips that run large models much faster and cheaper than today's GPUs.

AI workforce platform helping large enterprises hire, redeploy and reskill staff using skills intelligence.

AI notepad that writes up your meeting notes without adding a bot to the call.

Computer vision AI that assesses car and property damage from photos to speed up insurance claims.

Darktrace sells AI-based cybersecurity software that detects and responds to threats across networks, email and cloud.

dunnhumby uses customer data science to help retailers and brands with pricing, promotions, loyalty and retail media.

Alphabet's main AI research lab, behind Gemini and AlphaFold, founded and headquartered in London.

Builds industrial humanoid robots for factories and warehouses, headquartered in London.

AI lab building general world models that generate interactive, real-time video simulations.

Builds open generative AI models for images, video, audio and 3D, best known for Stable Diffusion.

Trains EDEN biological AI models on proprietary natural-world genomic data to design new medicines.

Builds voice AI agents that answer customer service calls for large companies.

AI platform that reads, negotiates and manages contracts for in-house legal teams.

Platform for building, testing and sharing skills and context that guide AI coding agents like Claude Code and Cursor.

AI-native CRM that builds itself around a company's data for go-to-market teams.

AI-powered legal platform and law firm giving consumers and small businesses affordable access to vetted lawyers.

Software that splits AI workloads across many different chip types to run them faster and cheaper.

Data platform AI teams use to curate, label and evaluate training data, especially for physical AI.

AI recruiting platform with agents for sourcing, screening, interview notes and hiring reports.

AI platform running scheduling, HR and payroll for frontline businesses in hospitality, retail and care.

Pricing and underwriting platform for commercial insurers, now adding AI agents that process broker submissions.

Drug discovery company combining machine learning and human cell experiments to find new medicines.

AI procurement platform that runs company buying, supplier onboarding and supplier risk management.

AI that helps IT teams understand, change and migrate complex enterprise systems like SAP.

Two AI agents: Jack coaches job seekers, Jill recruits for companies, and they match each other.

AI platform that helps patent attorneys draft, prosecute and litigate patents faster.

AI-powered cloud transport management system that automates planning, admin and invoicing for hauliers and forwarders.

AI lab building AI scientists that work with researchers to speed up scientific discovery.

Generative AI lab designing new proteins and antibodies, founded by AlphaFold co-developer Simon Kohl.

Origin is a platform that uses AI to consolidate and analyse employee benefits data for multinational companies.

Enterprise platform that lets employees build and deploy custom AI applications using natural language instead of code.

Agentic AI platform that automates insurance operations across underwriting, claims, finance and broking.

B2B marketplace and AI grading tools for wholesale secondhand clothing, linking suppliers with retailers in 100+ countries.

Multi-model database built for AI agents and applications, available open source and as SurrealDB Cloud.

AI tools that help lawyers draft, review and understand complex contracts, used by Magic Circle and top US law firms.

AI analyst for real estate and real asset investors that speeds up underwriting and reporting.

AI assistant that sorts your inbox, drafts email replies and takes meeting notes.

AI decision platform that models operations at ports, airports, energy and manufacturing sites and recommends or executes actions for operators.

Lancaster University spinout that attacks and tests AI systems to find security holes before hackers do.

Security and governance platform that lets enterprises discover, monitor and control their AI agents.

Billing platform that helps AI agent companies price, track costs and prove value to customers.

AI agents that investigate code and cloud vulnerabilities and flag only the ones that matter.

AI agents that handle customer support, compliance and back-office operations for banks and fintechs.

AI system that forecasts real-world events to help organisations make better decisions.

AI platform for the full patent lifecycle, from invention ideas to drafting and prosecution.

Security data fabric that builds a knowledge graph of enterprise assets and identities for security teams.

Industrial AI that monitors, forecasts and optimises refineries, oil and gas and petrochemical plants.

Open-source business intelligence tool built on dbt, with an AI analyst that answers data questions.

AI platform that indexes a private equity fund's documents and data to speed up deal work.

Go-to-market data platform that helps sales and marketing teams find, rank and target the right accounts.

AI-native procurement platform using AI agents for sourcing, negotiation, intake and spend analytics at large enterprises.

AI recruiting platform whose AI recruiter sources, screens and interviews global talent for companies.

AI platform that reviews case files and documents against a firm's compliance rules for UK mortgage networks, lenders, brokers and wealth managers.

AI agents that turn sales calls and deal data into actions for revenue teams. Formerly Glyphic.

Buys and grows Salesforce-native apps for sales, service, workflow automation and CRM data protection.

AI platform for banks and financial firms covering communications surveillance, trade surveillance and regulatory compliance.

AI expert network that profiles specialists from their papers, code and other work, then matches them with companies for consulting projects and full-time roles.

Foresight is a project delivery platform that tracks progress and forecasts risks on large construction and infrastructure projects.

AI platform that turns frontline video into safety and risk insights for infrastructure and utility fieldwork.

AI study app that turns learning material into flashcards and quizzes for students.

Task mining platform that records how enterprise staff work and maps processes for AI agents and automation.

AI anti money laundering platform for screening and transaction monitoring, used by over 150 financial institutions.

GPU cloud provider behind Hyperstack, offering AI compute and sovereign AI infrastructure in Europe.

AI platform that automates legal work on residential and commercial real estate deals for law firms and property teams.

Uses AI to design advanced materials and data centre cooling hardware, and is expanding into energy and semiconductors.

Generative AI image and design tool with its own model, letting designers and marketers create on-brand images, vectors and illustrations with style controls.

Rezolve AI sells AI-powered product search and conversational commerce software to retailers.

Scope gives testing, inspection and certification inspectors an AI workflow that captures site data by voice, video and forms and generates structured reports.

AI platform that monitors global media and risk signals for reputation and risk teams at large enterprises.

Makes DERM, a Class III CE marked AI device that triages skin cancer referrals for the NHS and insurers.

AI recruitment platform that combines candidate sourcing, multichannel outreach, call notes and CRM for recruiting agencies.

Agentic video intelligence platform that lets field workers and customers capture guided video to speed up jobs.

AI research platform that automates due diligence and background checks on people and companies for banks, law firms and corporates.

Leah, formerly ContractPodAi, sells an agentic AI platform for legal and enterprise contract work.

Agentic AI research platform and biomedical knowledge graph that helps pharma R&D teams find targets and biomarkers.

Uses machine learning and robotic labs to design multispecific antibody drugs for solid tumours.

AI agent platform that automates shipment paperwork and operations tasks for freight forwarders and customs brokers.

Vision AI that tracks forklifts and other warehouse equipment in real time and alerts operators to nearby pedestrians.

AI agent platform (V7 Go) automating document-heavy work in finance, insurance and legal, plus data labelling tools.

Browser-based AI video creation and editing platform for generating, subtitling and branding videos without production skills.

Platform supplying vetted human participants for research and for AI model training and evaluation.

AI-native contract management platform for drafting, agreeing and managing contracts end to end.

On-device AI that runs product recognition and loss prevention on self-checkouts, scales and cameras in retail stores.

Makes an AI fitness mirror that uses computer vision to track form, count reps and coach workouts at home.

TurinTech builds Artemis, a multi-agent AI platform that optimises, validates and modernises code.

Uses AI to build custom operations software for utilities, logistics and field service companies.

AI platform that analyses compiled software binaries for malware detection, decompilation and supply chain security.

Tracks and improves how brands show up in answers from ChatGPT and other AI search engines.

Open source platform for running AI agents and long background jobs in TypeScript.

AI platform that turns sketches, photos and briefs into production-ready 3D assets for games, product design and e-commerce.

Inference platform that lets enterprises run open-source AI models on their own infrastructure, cheaply.

AI-native studio making films, music videos and branded content with generative tools.

AI platform that generates, edits and publishes 3D models and interactive 3D product experiences for brands and creators.

AI synthetic audiences that simulate how real customers and populations respond, used for market research.

AI-native company and account data platform that resolves corporate entities and hierarchies for enterprise RevOps teams.

Matta sells camera and sensor based AI agents and on-site hardware that detect defects, measure and trace parts on factory lines.

AI-assisted writing tool that helps writers develop their ideas and work from first idea to final draft, built to write with the writer rather than for them.

Shows brands how they appear in ChatGPT, Claude and Gemini answers and how to improve it.

AI operating system for spare parts distributors covering demand forecasting, pricing and obsolescence decisions.

General Reasoning is an AI research company training models for long-horizon reasoning and releasing tools such as OpenReward for agent training environments.

Resolutiion is an AI platform that spots commercial dispute and delivery risk in large contracts for defence, energy and manufacturing firms.

Developer API and platform for real-time, photorealistic interactive AI avatars used in support, sales, tutoring and training.

Lets non-coders build and run AI agents and automations by describing them in plain language.

AI-powered digital sales rooms where sellers and buyers share content, action plans and proposals to close deals.

Dex is an AI recruiter that matches candidates with roles at tech companies and offers career coaching.

Imperial College spinout using AI to analyse and design advanced materials such as EV battery electrodes.

Builds brain-inspired AI that lets robots and drones adapt in real time on the device.

AI transcription and editing software that turns audio and video into searchable, quotable text for newsrooms and media teams.

AI forecasting and user acquisition agents that help mobile game studios grow profitably.

Governance platform that helps companies control risk, cost and use of AI tools and agents.

AI plus human outbound sales service that books meetings for companies selling into traditional industries.

Design tool that lets product teams design and prototype directly inside their real codebase.

Simulates how audiences and stakeholders will react, so companies can test decisions before making them.

AI spreadsheet modelling agent that builds financial models, valuations and due diligence analysis for finance and consulting teams.

AI platform that helps pharma teams make commercial, portfolio and competitive intelligence decisions faster.

AI studio that lets teams create on-brand videos, podcasts and audio from text using AI voices, music and visuals.

AI case intelligence platform for litigation lawyers, used by firms like Dentons, A&O Shearman and Duane Morris.

A search intelligence platform that tracks competitor ads, brand bidding and visibility across Google Ads and AI search engines.

Advai builds a platform that tests AI systems for robustness, manipulation and compliance risks before and after deployment.

AI safety company researching model scheming and selling Watcher, a monitoring tool for coding agents.

Agentic AI workflows for institutional finance, automating deal screening, credit analysis, IC memos and portfolio monitoring.

Generative AI platform that helps companies and nonprofits write bids, proposals, grants and RFP responses.

AI inventory planning software that helps fashion, beauty and home retailers buy, allocate and replenish stock.

Platform helping consumer brands get discovered and recommended by AI search engines and AI shopping agents.

Federated AI platform that lets clinical trial sponsors, hospitals and AI developers analyse patient data without moving it.

AI-moderated consumer research platform, BoltChatAI, that runs qualitative interviews at quantitative scale for brands.

Builds AI digital workers that automate enterprise analysis and decision tasks, rooted in causal AI.

An AI platform that pulls customer feedback from surveys, reviews, support chats and calls and explains what drives satisfaction scores.

UK cloud provider offering Kubernetes, GPU compute and sovereign AI services from its own data centres.

AI video platform that turns scripts and documents into avatar-led training videos for companies, with offices in Budapest and London.

AI safety lab building Cognitive Emulation, an architecture for more controllable and interpretable AI.

UK sovereign AI lab training Lumen coding models and agents that run in secure or air-gapped environments.

Software that uses AI to monitor external ESG and regulatory risks for corporate risk and sustainability teams.

DigitalGenius provides an AI agent that resolves pre- and post-purchase customer questions for ecommerce brands.

AI agents that answer calls, book jobs and handle customer operations for plumbers, electricians and HVAC firms.

Generative AI tools for film and TV that sync dialogue and edit performances, used by major studios.

Focaldata runs AI-assisted survey and qualitative research for brands, agencies, charities and political clients across 130+ markets.

AI legal assistant that drafts, reviews and negotiates contracts for businesses and in-house teams.

Self-learning AI control software that cuts fuel use and emissions in cement, glass, steel and mining plants.

Virtual AI lab that post-trains biology foundation models on pharma companies' own data for target and biomarker discovery.

HelmGuard uses AI agents to run security and compliance assessments, including third-party risk reviews and AI governance.

Platform that helps enterprises inventory, audit and monitor their AI systems for risk and regulatory compliance.

AI platform for B2B software companies that predicts customer churn and expansion and automates customer success workflows.

Builds AI digital twin software for industrial sites like cement, energy and nuclear plants to run maintenance and safety.

AI agents that write, check and optimise marketing copy for email, SMS, push and paid social (formerly Phrasee).

Magentic builds AI agents that handle procurement work for manufacturers, from supplier selection and negotiation to orders and invoices.

AI tutor for GCSE and A-Level exam prep with adaptive practice questions, essay marking and mock exams.

Meticulous records how an app is used during development and uses AI to generate and maintain end-to-end tests.

AI music studio that helps artists generate stems, MIDI, synths and full songs with commercial rights.

AI platform for scheduling, risk and project controls on large construction and infrastructure projects.

AI that forecasts schedule risk for construction and capital projects using data from 750,000+ past projects.

Builds PRISM, a pure photonic switching network that speeds up AI data centres and cuts energy use.

Outerlimit is a security and authorisation layer that checks identity, policy and context before an AI agent's action runs.

AI biology lab that builds foundation models from its own data to diagnose and treat brain disease.

Data platform that ingests real-time engineering and test data for hardware teams, with AI agents that automate analysis, dashboards and workflows.

AI platform that turns retail data into daily priorities and actions for store and field leaders.

AI platform that helps pharma teams spot drug target safety risks earlier in discovery.

Sprout.ai uses AI to automate insurance claims handling, from document reading to policy checks and fraud detection.

Enterprise AI workspace for training private models and agents on proprietary data, with shared organisational AI memory.

AI platform that helps companies find, qualify and bid for public sector contracts.

AI reinsurance intelligence platform helping brokers and cedents run client work and programme placement.

AI platform that generates privacy-safe, production-like test data for software testing, migrations and AI agents.

AI that detects health signals like fatigue, stress and depression from short voice samples.

Captures, archives and analyses financial firms' communications across mobile, chat, email, voice and video, using AI to flag misconduct.

AI virtual agents that log into existing tools to automate manual operations work in insurance, financial services, healthcare and marketplaces.

Neurosymbolic AI that gives precise, explainable yes-or-no decisions for banks, insurers and accountants.

AI computer-vision sensors and signal control that give cities live multimodal traffic data and smarter junctions.

AI market research platform that lets brands test ads, product ideas and brand health with consumers and benchmark the results against historical data.