211 indexable AI Infrastructure companies headquartered in United Kingdom, ranked by total equity funding and recent funding momentum. Combined disclosed equity funding of $8.3B across 100 funded companies, including 5 unicorns.
| # | Company | Funding | Valuation | Stage | Latest round | Employees | Founded | Momentum |
|---|---|---|---|---|---|---|---|---|
| 1 |
Nscale
Unicorn Provider of cloud infrastructure for artificial intelligence and computing workloads |
$5.5B | — | Series C | Conventional Debt May 2026 | — | 2023 | ↑ Active |
| 2 |
Fractile
Developer of AI chips for running large AI models |
$17.5M | $6.6M as of 2023 |
Series B | Series B May 2026 | 4 | 2022 | ↑ Active |
| 3 |
Encord
Developer of a platform for managing, curating, and annotating AI data |
$48.3M | — | Series C | Series C Dec 2025 | 20 | 2020 | ↑ Active |
| 4 |
Quantexa
Unicorn Developer of decision intelligence software for data analysis and management |
$371.1M | $1.8B as of 2023 |
Series F | Series F Mar 2025 | 552 | 2016 | ↑ Active |
| 5 |
Callosum
AI infrastructure company providing systems-level software |
$10.2M | — | Seed | Seed Apr 2026 | — | 2025 | ↑ Active |
| 6 |
Eros Innovation
Provider of artificial intelligence solutions for media and entertainment industries |
$50M | — | Series C | Series C Nov 2025 | — | 2022 | ↑ Active |
| 7 |
Dessn
Developer of software for prototyping interfaces directly within production code |
$6M | — | Seed | Seed May 2026 | — | 2024 | ↑ Active |
| 8 |
Aiphoria
Provider of AI platform for processing and analyzing audio data |
$34M | — | Series C | Series C Jul 2025 | — | 2022 | ↑ Active |
| 9 |
Loc.ai
Provider of infrastructure for shifting artificial intelligence inference to edge devices |
$1.4M | — | Seed | Seed Apr 2026 | — | 2025 | ↑ Active |
| 10 |
Qognetix
Developer of a scientific tool designed to model neurons and synapses |
$972.9K | — | Funding Raised | Grant (prize money) Apr 2026 | — | 2025 | ↑ Active |
| 11 |
Fetch.ai
Blockchain-based network for application and AI infrastructure |
$61.9M | — | Series C | Series C Dec 2024 | 4 | 2017 | ↑ Active |
| 12 |
Stability AI
Unicorn Developer of generative AI models for image, video, audio, and 3D |
$206M | $1B as of 2022 |
Seed | Seed Jun 2024 | 45 | 2021 | ↑ Active |
| 13 |
Imagination Technologies
Provider of GPU processor solutions for graphics and AI vision applications |
$120.2M | — | Acquired | Post IPO Jul 2024 | 200 | 1985 | ↑ Active |
| 14 |
AgileRL
Developer of a platform for reinforcement learning and RLOps solutions |
$1.9M | — | Seed | Seed Jan 2026 | 3 | 2023 | ↑ Active |
| 15 |
Hyperpilot
Provider of AI-powered automation solutions for control software development, aiming to streamline development processes, eliminate errors, and free up engineers to focus on innovation |
$2.7M | — | Seed | Seed Dec 2025 | — | 2023 | ↑ Active |
| 16 |
Pimloc
Provider of machine learning-based image search solution |
$9.3M | — | Seed | Seed Jul 2025 | 7 | 2016 | ↑ Active |
| 17 |
Weco AI
Developer of an AI platform automating machine learning experiment optimization |
$8M | — | Seed | Seed Jul 2025 | — | 2023 | ↑ Active |
| 18 |
Doubleword
Provider of a self-hosted inference platform for deploying AI models |
$14.8M | — | Series A | Series A May 2025 | — | 2021 | ↑ Active |
| 19 |
Arondite
Developer of software and AI for autonomous defence technology applications |
$16.5M | — | Seed | Seed Apr 2025 | — | 2023 | ↑ Active |
| 20 |
SpAItial
AI powered developer of spatial foundation models for 3D world creation and understanding |
$13M | — | Seed | Seed May 2025 | — | 2024 | ↑ Active |
| 21 |
Brand Engagement Network
Provider of enterprise-grade artificial intelligence systems for business modernization and automation |
$1M | — | Seed | Seed Jan 2026 | — | 2011 | ↑ Active |
| 22 |
Lumai
Developer of 3D optical computing processors for AI data centers |
$13.7M | — | Series A | Series A Apr 2025 | — | 2022 | ↑ Active |
| 23 |
Plumerai
Developer of AI software for camera-based people and object detection |
$2.8M | $7.8M as of 2018 |
Series A | Series A Sep 2025 | 6 | 2017 | ↑ Active |
| 24 |
Bit Fount
Cloud and AI based data science paltform |
$5M | $17.8M as of 2021 |
Series A | Series A Jul 2025 | 3 | 2019 | ↑ Active |
| 25 |
Hirundo
Platform offering tools to unlearn unwanted data and behaviors in AI models |
$8M | — | Seed | Seed Jun 2025 | — | 2023 | ↑ Active |
| 26 |
TAO Alpha
Provider of AI infrastructure and subnet solutions |
$6.8M | — | Public | Post IPO Jun 2025 | — | 2021 | ↑ Active |
| 27 |
Stack8s
Provider of a sovereign cloud platform for AI workload orchestration |
$1M | — | Seed | Seed Dec 2025 | — | 2024 | ↑ Active |
| 28 |
Archestra
Platform providing secure enterprise integration of AI agents and data |
$3.3M | — | Seed | Seed Aug 2025 | — | 2025 | ↑ Active |
| 29 |
Plexe
Provider of AI-driven platform that enables users to create custom machine learning models |
$2.6M | — | Seed | Seed Aug 2025 | — | 2025 | ↑ Active |
| 30 |
LaunchLemonade
No-code platform to create, deploy, and monetize AI-powered tools and agents |
$480K | — | Seed | Seed Jan 2026 | — | 2024 | ↑ Active |
| 31 |
Yoti
Provider of digital identity verification and automated age assurance technology |
$210.1M | $104.2M as of 2020 |
Series B | Series B Dec 2023 | 318 | 2014 | — |
| 32 |
Vigilant
Developer of AI teammates designed for regulated business compliance workflows |
$768.4K | — | Seed | Seed Nov 2025 | — | 2024 | ↑ Active |
| 33 |
Synthesized
Developer of synthetic data generation platform for machine learning model development |
$2.8M | — | Series A | Series A May 2025 | 12 | 2017 | ↑ Active |
| 34 |
Mind Tech
Provider of AI-based processor for visual processing |
$12.7M | — | Series A | Series A Oct 2024 | 29 | 2017 | ↑ Active |
| 35 |
Safe Intelligence
Online platform offering tools to verify, robustify, and monitor the safety of AI models |
$6.2M | — | Seed | Seed Jan 2025 | 3 | 2022 | ↑ Active |
| 36 |
Assisterr AI
AI and ML-powered platform for customer service and support |
$1.7M | — | Series A | Series A May 2025 | — | 2023 | ↑ Active |
| 37 |
HASH
Developer of knowledge graph software for structured data management automation |
$12.5M | — | Series A | Series A Jul 2024 | 31 | 2019 | ↑ Active |
| 38 |
iProov
Platform offering digital identity verification services |
$78M | $41.8M as of 2019 |
Series B | Series B Nov 2023 | 53 | 2011 | — |
| 39 |
Inephany
Online platform offering AI tools for optimizing neural network performance |
$2.2M | — | Seed | Seed Apr 2025 | — | 2024 | ↑ Active |
| 40 |
Graphcore Systems
Unicorn Manufacturer of hardware and software for machine learning processing tasks |
$767.4M | $2.8B as of 2020 |
Acquired | Series E Dec 2020 | 453 | 2016 | — |
| 41 |
Mindgard
Provider of AI development services |
$3.8M | — | Series A | Series A Dec 2024 | 7 | 2022 | ↑ Active |
| 42 |
Ori
Provider of a full-stack AI cloud platform with flexible deployment options |
$2M | — | Acquired | Series D Feb 2025 | 26 | 2018 | ↑ Active |
| 43 |
TurinTech
Provider of AI development services |
$1.3M | — | Series A | Series A Mar 2025 | 10 | 2017 | ↑ Active |
| 44 |
Etiq AI
Provider of a platform to identify and mitigate algorithmic bias in ML models |
$802.3K | — | Seed | Grant (prize money) Apr 2025 | 6 | 2019 | ↑ Active |
| 45 |
Trint
Automated transcription to help various industries |
$27.2M | $1.6M as of 2024 |
Series A | Series A Jan 2024 | 55 | 2014 | — |
| 46 |
Noxus
Developer of an AI platform for complex operational workflows |
$1.5M | — | Seed | Seed Feb 2025 | — | 2023 | ↑ Active |
| 47 |
Kortical
Provider of a cloud-based AI platform for developing ML models |
$578.3K | — | Seed | Seed May 2025 | 7 | 2016 | ↑ Active |
| 48 |
Gensyn
Provider of a solution to train machine learning models remotely |
$50.6M | — | Series A | Series A Jun 2023 | 2 | 2020 | — |
| 49 |
Speechmatics
Provider of speech recognition software for real time voice processing |
$90.6M | $53.2M as of 2020 |
Series B | Series B Jun 2022 | 134 | 2006 | — |
| 50 |
Seldon
Open source framework for deploying ML models |
$39.1M | $10.3M as of 2019 |
Series B | Series B Mar 2023 | 46 | 2011 | — |
Provider of cloud infrastructure for artificial intelligence and computing workloads. Services include access to graphics processing units, virtual machines, and bare metal nodes for model training and inference. The platform offers container orchestration, batch scheduling, and storage systems designed for high-throughput data processing. Automated tools manage system health, resource allocation, and performance mon
Developer of AI chips for running large AI models. The company develops data center LLM inference accelerator for models with billions or hundreds of billions of parameters
Developer of a platform for managing, curating, and annotating AI data. The platform facilitates the transformation of unstructured multimodal data into high-quality data. It offers tools for data indexing, curation, annotation, alignment, and collaboration. The platform provides data management, data annotation, and model evaluation capabilities.
Developer of decision intelligence software for data analysis and management. This platform connects fragmented data sources to reveal relationships between entities. It utilizes graph analytics and artificial intelligence to automate decision-making processes across various sectors. The software assists in financial crime prevention, risk management, and customer intelligence by unifying siloed datasets into a singl
AI infrastructure company providing systems-level software. It enable AI workloads to run efficiently across diverse chip architectures from various manufacturers, challenging the industry's reliance on homogeneous computing environments. It builds infrastructure where heterogeneous chips and intelligence co-evolve. The company focuses on systems, not models. It unifies disciplines to unlock heterogeneous scale, wher
Provider of artificial intelligence solutions for media and entertainment industries. The company offers a platform utilizing AI for intellectual property creation and management. It focuses on integrating AI with visual effects and immersive technologies. The company also develops AI-driven platforms for digital content and experiences.
Developer of software for prototyping interfaces directly within production code. This tool connects to existing code repositories to enable the creation of design prototypes without requiring manual coding or integrated development environments. It allows teams to iterate on user interface components and flows by utilizing the actual product codebase as the design environment. The system operates within isolated vir
Provider of AI platform for processing and analyzing audio data. It specializes in machine learning solutions to insights from audio data. Its proprietary AI platform enables organizations to extract valuable information and transform it into actionable intelligence.
Provider of infrastructure for shifting artificial intelligence inference to edge devices. It offers tools to move inference from cloud application programming interfaces to end-user devices. The infrastructure is application agnostic and provides a replacement for cloud application programming interfaces. It allows users to migrate existing code. The infrastructure facilitates data processing where it is generated,
Developer of a scientific tool designed to model neurons and synapses. The company focuses on building synthetic intelligence grounded in biology and physics. It aims to establish synthetic intelligence as a reliable and commercially viable paradigm. The company is expanding partnerships with universities and labs to accelerate development. It plans to extend the tool into a wider software development kit and integra
Blockchain-based network for application and AI infrastructure. It provides open access, tokenized, decentralized machine learning network to deliver a self-organizing framework for transactions and the system consists of autonomous economic agents that are digital entities that can transact independently of human intervention and can represent people, machines, or themselves.
Developer of generative AI models for image, video, audio, and 3D. These models are designed for deployment across various platforms, including self-hosted, licensed, API, and cloud-based services. The company provides tools for marketing, entertainment, and gaming, focusing on customizable workflows and enterprise-level solutions. It offers resources such as a learning hub and customer stories to support users.
Amadeus Capital
AlbionVC
Gov
SFC Capital
Y Combinator
Europa
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IQ Capital
Octopus Ventures
AI Seed
Cambridge Innovation Capital
Edge
Entrepreneur First
Rankings are computed by Radar (Fliar BI) from the Radar company master and are updated periodically. Funding and momentum scores use disclosed equity-funding data only. Figures may lag private rounds. Last updated 2026-06-19.
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