UK AI companies

GrowthLondon

Builds domain-specific AI for analysing, generating and negotiating contracts, used by legal and compliance teams. Founded in Cambridge and headquartered in London.

GrowthLondon

Builds enterprise voice assistants that handle customer-service phone calls in natural conversation. Headquartered in London, having spun out of Cambridge research.

GrowthLondon

Builds decision-intelligence software that connects scattered data into a single view for fraud detection, anti-money-laundering and financial-crime analytics. Headquartered in London.

GrowthLondon

Builds an AI video-generation platform that turns text into videos using synthetic avatars and voices, aimed at enterprise training and internal communications. Headquartered in London, having started as a UCL spinout.

Pre-seedLondon

Builds an AI platform, called Sisu, that helps businesses forecast the cost and likely outcome of legal disputes and manage their dispute portfolios. Founded in 2023 by former City disputes lawyer Hanna Roos. Headquartered in London.

SeedLondon

Builds synthetic "battle arenas", simulated environments that train autonomous defence systems and the AI guiding them against adaptive adversaries. Headquartered in London, with a base in Berlin.

Early-stageLondon

Develops foundation models for energy operations, combining physics-based modelling with machine learning to help operators run complex industrial facilities more efficiently. Its platform is called Orbital. Founded by Imperial College alumni and headquartered in London, with offices in Houston and Bengaluru.

Early-stageLondon

Builds autonomous AI agents for industrial workflows across sectors including aerospace, energy, logistics, and manufacturing. Founded in 2026, based in London and Paris, and emerged from stealth in mid-2026 with $38M in funding led by Blossom Capital and Accel.

GrowthLondon

Builds modular lab-automation robotics with orchestration software to run experiments in life-sciences and diagnostics laboratories. Headquartered in London.

Early-stageEdinburgh

Builds NLP and large-language-model products for compliance, wealth management and AI agent assurance in financial services. Headquartered in Edinburgh.

Early-stageLondon

Builds a very large biological database by sampling genetic diversity from nature, then uses it to train generative foundation models for biology and drug discovery. Headquartered in London, with a laboratory in Boston.

GrowthLondon

Builds an AI-powered talent platform that helps large organisations attract, manage, and retain employees, using a data model of skills and roles. Founded in 2013 and headquartered in London, with operations in the US, Germany, and Singapore.

Early-stageLondon

Builds an agentic AI platform over a biomedical knowledge graph to help life-sciences teams accelerate research and drug discovery. Headquartered in London.

GrowthLondon

Runs an AI-powered personal-finance app that answers money questions and gives budgeting guidance through a conversational chat interface. Headquartered in London.

GrowthLondon

Provides AI-driven financial-crime detection, screening, and anti-money-laundering compliance tools for banks and businesses. Headquartered in London.

GrowthCambridge

Builds AI models that discover and design new materials, starting with compounds that capture carbon. Headquartered in Cambridge and founded in 2024 by researchers with roots in Google DeepMind and academia.

Early-stageManchester

Builds a change risk management platform for software teams: it continuously monitors code changes, assesses the security risk each one introduces, decides how it should be handled, and validates that it was, leaving an audit-ready record. Aimed at the pace of AI-assisted development. Headquartered in Manchester.

AcquiredCambridge

Develops AI-based cybersecurity software that learns normal network behaviour to detect threats and respond to them autonomously. Headquartered in Cambridge.

GrowthLondon

Builds autonomous robots and software that scan warehouses to create digital twins and generate inventory insights. Headquartered in London.

Early-stageLondon

Provides a platform for enterprises to deploy, manage, and scale open-source and custom AI models on their own infrastructure, reducing reliance on external AI providers. Formerly known as TitanML. Founded in 2021 and headquartered in London.

GrowthLondon

Buys independent UK letting agencies and rebuilds them around an AI platform that automates tenant screening, rent collection, maintenance, and compliance. Headquartered in London, and now among the UK's larger lettings operators.

AcquiredLondon

Applies AI to decision-making for enterprises and the public sector, including work with the NHS, government departments, and companies across other industries. Founded in 2014, with a research-heavy team, and known for its work on AI safety and evaluation. Headquartered in London.

AcquiredCambridge

Builds real-time AI fraud-detection and financial-crime software for banks and payment firms, pioneering adaptive behavioural analytics. Headquartered in Cambridge.

GrowthLondon

Runs a GPU cloud for training and running large AI models, offering on-demand access to Nvidia hardware both through a marketplace and via private-cloud infrastructure it operates directly. Founded in 2017 and headquartered in London.

Early-stageLondon

Builds in-memory-compute AI inference chips designed to speed up large-language-model inference and cut its cost. Headquartered in London.

Early-stageLondon

Builds decentralised infrastructure for training, verifying, and coordinating machine learning across distributed compute. Headquartered in London.

AcquiredLondon

Runs one of the world's leading AI research labs, behind breakthroughs including AlphaFold, AlphaGo, and the Gemini family of models. Headquartered in London and part of Google, it anchors much of the UK's AI research base.

Early-stageLondon

Builds AI agents that handle customer operations for financial services firms, automating support and back-office processes such as disputes and identity checks. Founded by a team from the digital bank Monzo. Headquartered in London.

AcquiredBristol

Designs AI accelerator processors, its Intelligence Processing Units, and the systems and software that run machine-learning workloads on them. Headquartered in Bristol.

GrowthCambridge

Uses AI to discover and repurpose drugs for rare diseases, and runs its own clinical pipeline. A University of Cambridge spinout, headquartered in Cambridge.

Early-stageLondon

Builds AI-powered humanoid robots on a wheeled base for industrial use in warehouses and factories. Headquartered in London, with its KinetIQ AI system handling perception and movement.

SeedLondon

Builds reinforcement-learning systems designed to discover new knowledge and skills without relying on human-generated data. Founded in 2025 by David Silver, the former head of reinforcement learning at Google DeepMind and a lead researcher behind AlphaGo and AlphaZero. Headquartered in London.

GrowthLondon

Applies AI to drug discovery, using models descended from AlphaFold to predict how molecules behave and design new medicines. Headquartered in London as an Alphabet company spun out of DeepMind.

Early-stageLondon

Applies machine learning and lab automation to discover and optimise therapeutic antibodies, with a pipeline aimed at solid tumours. Headquartered in London.

SeedLondon

Uses generative AI to design proteins from scratch, aiming to make biology programmable and speed up the discovery of new therapeutics such as antibodies and enzymes. Founded in 2023 by Simon Kohl, a former co-lead of DeepMind's protein-design team and a scientist on AlphaFold2. Headquartered in London.

SeedOxford

Develops 3D optical computing hardware to accelerate AI inference at lower energy cost. A University of Oxford spinout, headquartered in Oxford.

Early-stageOxford

Builds machine-learning software for high-stakes uses in defence, national security, government and insurance. An Oxford University spin-out headquartered in Oxford.

GrowthLondon

Builds AI-optimised data centres and GPU cloud infrastructure for AI, machine-learning and high-performance-computing workloads. Headquartered in London.

Early-stageLondon

Designs new materials using a "foundation model for atoms", targeting applications such as carbon capture, cleaner fuels, and cooling for AI data centres. Founded in 2022 by Jonathan Godwin, previously part of DeepMind's materials research. Headquartered in London.

Early-stageLondon

Runs an AI-native GPU cloud, giving companies on-demand access to the latest Nvidia hardware for training and inference. Was the first provider to deploy Nvidia H200 GPUs in the UK, at Kao Data's Harlow campus. Headquartered in London.

GrowthOxford

Builds self-driving software and hardware for industrial vehicles operating in ports, airports and yards. Headquartered in Oxford, formerly known as Oxbotica.

GrowthManchester

Develops a decision-intelligence platform that helps businesses use AI for commercial decisions such as pricing, inventory, and demand forecasting. Founded in 2015 and headquartered in Manchester, with further offices in the US and India.

GrowthLondon

Builds AI simulation software for engineering and manufacturing, used in aerospace, automotive, and defence to design and test physical products faster. Headquartered in London.

Early-stageLondon

An AI drug-discovery company using a "lab-in-the-loop" approach that combines single-cell genomics from patient tissue, laboratory experiments, and machine learning to find new drug targets, starting with bone and immune diseases. Founded in 2019 and headquartered in London.

GrowthLondon

Builds an NLP and machine-learning platform that analyses news, broadcast, regulatory and social data to track risk and reputation for large organisations. Headquartered in London.

Early-stageEdinburgh

Uses satellite data and AI to map land cover, deforestation, and forest carbon stocks for carbon markets and supply-chain compliance. Headquartered in Edinburgh.

EstablishedEdinburgh

Builds audio-driven 3D facial animation software and interactive AI-avatar technology used in games and real-time applications. Headquartered in Edinburgh.

Early-stageCambridge

Develops automatic speech recognition and voice AI models covering a wide range of languages and accents, sold to developers and enterprises. Headquartered in Cambridge.

GrowthLondon

Develops open generative-AI models spanning image, video, audio and 3D, best known for the Stable Diffusion family of image models. Headquartered in London.

Early-stageLondon

Building an "AI-native" approach to software development that shifts the focus from writing code to writing specifications, with AI generating and maintaining the code from them. Founded by Guy Podjarny, creator of the developer-security company Snyk. Headquartered in London.

GrowthLondon

Builds computer-vision AI that assesses vehicle and property damage from photographs to automate insurance claims and repair estimates. Headquartered in London.

Early-stageLondon

Uses multimodal AI to moderate visual content at scale, reading what is in a video or image and the context around it to flag harmful material, combining AI agents with human review. Founded in 2019 by Sasha Haco and James Thewlis. Headquartered in London.

Early-stageLondon

Builds an AI training-data and annotation platform called Darwin, alongside V7 Go, a document-automation product for extracting and processing data. Headquartered in London.

Early-stageLondon

Builds a sovereign infrastructure control layer that lets governments and enterprises govern how their AI systems and critical workloads communicate, access data, and run. Headquartered in London, serving enterprise and defence customers.

GrowthLondon

Builds self-driving software that learns to drive end-to-end from cameras, without the HD maps or lidar most rivals rely on. Headquartered in London and licensing its system to carmakers.

SeedOther England

Builds AI-enabled robotic systems with a patented electronic skin that lets them handle delicate fresh produce such as grapes and tomatoes. Headquartered in Sedgefield, County Durham.