The UK AI Platform Market (2026)
15 ai platform companies have recorded headquarters in United Kingdom in this directory, led by Requesty. Rankings use trailing-12-month software spend share in the Cledara dataset. Unranked recorded vendors remain included. Data as of .
What this ranking measures
Location is the recorded headquarters, which may differ from where a company was founded or where its customers operate. Vendors are ordered by trailing-12-month software spend share in the Cledara dataset. Recorded products without a current paid observation remain in the directory; inclusion alone does not establish current paid usage.
Annual rank changes use the separate global popularity rank, based on payment activity. Missing calendar endpoints stay unavailable. Founding year, employee and funding fields are recorded enrichment facts, which can be incomplete or historical. Full source data is available from the CSV and JSON download links.
The headline and leader facts describe the complete published location. Search and category selections apply to the directory and its downloads.
UK ai platform companies ranked by software spend
| # | Product | Category | Founded | Employees | Funding | 12-mo activity rank change |
|---|---|---|---|---|---|---|
| 1 |  Requesty Requesty provides an API platform that routes requests to multiple large-language-model providers through a single interface. It enables customers to manage usage, logging, performance, and data handling across LLMs. | AI Platforms & Model Ops | 2023 | 2-10 employees | $1M - $5M | |
| 2 |  V7 V7 is an AI Training Data platform that allows you to label and annotate data and automate data pipelines. | AI Platforms & Model Ops | 2018 | 51-200 employees | $25M - $50M | +301 |
| 3 |  Agemo AI Agemo AI develops an AI-platform that converts natural language descriptions into production-ready software tools. The company offers access to its platform via a web interface to enable non-technical users to build and deploy software automations. | AI Platforms & Model Ops | 2024 | 11-50 employees | ||
| 4 |  atla atla is a platform dedicated to the evaluation and testing of generative AI applications. It provides tools that enable developers to conduct fast and accurate evaluations of AI model outputs, helping them to ship reliable and safe AI applications more quickly. | AI Platforms & Model Ops | 2023 | 2-10 employees | $5M - $10M | |
| 5 |  Chalkie Chalkie is an AI-powered platform designed to assist educators in quickly generating curriculum-aligned lesson plans, slideshows, worksheets, and class activities. It allows teachers to customize and differentiate instructional materials based on state standards, individual student learning needs, or existing resource files. | AI Platforms & Model Ops | 2024 | 2-10 employees | $1M - $5M | |
| 6 |  Doubleword Doubleword is an enterprise AI platform that helps organizations deploy, manage, and secure large language models and generative AI applications within their own infrastructure. It provides tooling for model serving, governance, and integration for production AI use cases. | AI Platforms & Model Ops | 2021 | 11-50 employees | ||
| 7 | Fancy | AI Platforms & Model Ops | 2020 | 11-50 employees | ||
| 8 |  Humanloop Humanloop is a platform that assists developers in building applications using large language models, primarily focusing on data labeling and annotation for machine learning tasks. | AI Platforms & Model Ops | 2020 | 11-50 employees | $1M - $5M | |
| 9 |  Neuphonic Neuphonic provides real-time voice AI services such as text-to-speech, voice cloning, and programmable voice agents through an API. The platform is used by developers and enterprises that require low-latency, natural-sounding voices for support, sales, and conversational AI applications. | AI Platforms & Model Ops | 2024 | 2-10 employees | $1M - $5M | |
| 10 |  Polaron Polaron is a platform that uses artificial-intelligence and microstructural image data to accelerate the design and optimisation of advanced materials. It converts image-based data into 3D representations and uses AI-driven optimisation to reduce the time, cost, and number of prototypes needed for new material development. | AI Platforms & Model Ops | 2023 | 2-10 employees | ||
| 11 | Speechmatics | AI Platforms & Model Ops | 2006 | 51-200 employees | ||
| 12 |  Stability AI Stability AI is a company specializing in generative AI models such as Stable Diffusion for text-to-image generation, video, audio, and 3D content creation. Their models are open-access, promoting innovation across various applications. | AI Platforms & Model Ops | 2020 | 51-200 employees | $100M - $250M | |
| 13 |  thymia thymia develops tools that capture voice, video, and behavioural data to generate digital mental health biomarkers for assessing mental health conditions, symptoms and wellbeing. Its products include a wellness-suite (Helios) and a clinical-assessment suite (Apollo, currently investigational), with APIs and plugins enabling embedding of its activities and media-data models. | AI Platforms & Model Ops | 2020 | 11-50 employees | $1M - $5M | |
| 14 |  Trubrics Trubrics is a platform that collects user feedback on machine learning models through in-app widgets and dashboards. It helps teams track model performance, monitor user trust, and manage feedback data. | AI Platforms & Model Ops | 2021 | 2-10 employees | Under $1M | |
| 15 |  Voicify Voicify is a platform that empowers users to create AI-driven voice experiences in seconds. | AI Platforms & Model Ops | 2018 | 2-10 employees |
AI Platform subcategories in United Kingdom
AI Platform companies in United Kingdom
- Requesty — Requesty provides an API platform that routes requests to multiple large-language-model providers through a single inter…
- Stability AI — Stability AI is a company specializing in generative AI models such as Stable Diffusion for text-to-image generation, vi…
ML Ops & Model Training companies in United Kingdom
- V7 — V7 is an AI Training Data platform that allows you to label and annotate data and automate data pipelines.
- atla — atla is a platform dedicated to the evaluation and testing of generative AI applications. It provides tools that enable …
- Doubleword — Doubleword is an enterprise AI platform that helps organizations deploy, manage, and secure large language models and ge…
- Humanloop — Humanloop is a platform that assists developers in building applications using large language models, primarily focusing…
- Trubrics — Trubrics is a platform that collects user feedback on machine learning models through in-app widgets and dashboards. It …
AI Agents & Automation companies in United Kingdom
- Agemo AI — Agemo AI develops an AI-platform that converts natural language descriptions into production-ready software tools. The c…
Other companies in United Kingdom
- Chalkie — Chalkie is an AI-powered platform designed to assist educators in quickly generating curriculum-aligned lesson plans, sl…
AI Development Tools companies in United Kingdom
- Fancy
- Polaron — Polaron is a platform that uses artificial-intelligence and microstructural image data to accelerate the design and opti…
- thymia — thymia develops tools that capture voice, video, and behavioural data to generate digital mental health biomarkers for a…
LLM Providers & APIs companies in United Kingdom
- Neuphonic — Neuphonic provides real-time voice AI services such as text-to-speech, voice cloning, and programmable voice agents thro…
- Speechmatics
AI Assistants & Copilots companies in United Kingdom
- Voicify — Voicify is a platform that empowers users to create AI-driven voice experiences in seconds.
Rising UK ai platform companies
Requesty and V7 show the strongest payment-activity rank gains over the three-calendar-month comparison.
How United Kingdom compares globally
the United Kingdom accounts for 4.1% of the ai platform products tracked globally on Cledara (15 of 369).
The top UK product, Requesty, ranks #32 by recorded software spend in the global category dataset.
Frequently asked questions
Which UK ai platform vendors lead the spend ranking?
Requesty, V7 and Agemo AI lead the UK ai platform market in 2026, ordered by recorded software spend share in the Cledara dataset. Last updated 21 October 2026, 12:18 UTC.
How big is the UK ai platform market?
This directory records 15 ai platform products headquartered in United Kingdom, led by Requesty in recorded software spend share. Inclusion does not establish current paid usage. This is a dataset count, not a market-size or revenue estimate.
Which UK ai platform vendors gained payment-activity rank?
Requesty and V7 show the strongest global payment-activity rank gains over three calendar months among vendors in this headquarters/category group.
Where does this data come from?
From anonymized, aggregated purchasing data across companies that manage their software with Cledara — real payments, not surveys or web traffic. Updated monthly.