AI testing companies in United Kingdom
8 published entries are headquartered in United Kingdom. 13 more entries list United Kingdom as a delivery location.
Showing 21 of 21. Default order: coverage score, then name. How the score works.
| Rank | Company type | AI products (as stated) | Services | Verified | |||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | DeviQA | Pure-play QA company | Poland, Warsaw | LLM applicationsAI agentsRecommender and ranking systemsPredictive ML modelsComputer visionVoice AI | 8 | 2010 | 16 | 2026-11-09 | |
| 2 | ImpactQA | Pure-play QA company | United States | LLM applicationsAI agentsComputer visionVoice AIRecommender and ranking systems | 9 | 15 | 2026-11-09 | ||
| 4 | TestingXperts | Pure-play QA company | United States | LLM applicationsAI agentsVoice AI | 10 | 14 | 2026-11-09 | ||
| 11 | Fulminous Software | IT services firm with a QA practice | India, Jaipur | Voice AIAI agentsAutonomous and embedded AI | 7 | 2019 | 12 | 2026-11-09 | |
| 11 | QualityAI (formerly Qualitest) | Pure-play QA company | United States, Santa Clara | LLM applicationsAI agentsPredictive ML modelsRecommender and ranking systems | 7 | 12 | 2026-11-09 | ||
| 11 | SunTec India | Data and evaluation vendor | India, New Delhi | LLM applicationsDocument AIPredictive ML models | 7 | 1999 | 12 | 2026-11-09 | |
| 14 | Testrig Technologies | Pure-play QA company | United States, Dallas | Predictive ML models | 8 | 2015 | 11 | 2026-11-09 | |
| 18 | Indium Software | IT services firm with a QA practice | United States, Cupertino | AI agentsLLM applicationsRecommender and ranking systems | 6 | 10 | 2026-11-09 | ||
| 23 | BugRaptors | Pure-play QA company | India | Computer visionPredictive ML modelsVoice AI | 4 | 2016 | 9 | 2026-11-09 | |
| 23 | Chetu | IT services firm with a QA practice | United States, Sunrise | Predictive ML models | 6 | 2000 | 9 | 2026-11-09 | |
| 34 | Resillion | Pure-play QA company | United Kingdom | Predictive ML models | 5 | 7 | 2026-11-09 | ||
| 40 | Kainos | IT services firm with a QA practice | United Kingdom, Belfast | LLM applications | 3 | 1001-5000 | 6 | 2026-11-09 | |
| 40 | Pen Test Partners | Security firm with AI testing | United Kingdom, Buckingham | LLM applicationsAI agents | 1 | 2010 | 6 | 2026-11-09 | |
| 50 | Bridewell | Security firm with AI testing | United Kingdom, Reading | LLM applications | 2 | 2013 | 5 | 2026-11-09 | |
| 61 | DataArt | IT services firm with a QA practice | United States, New York | LLM applications | 1 | 1997 | 4 | 2026-11-09 | |
| 61 | Trilateral Research | AI assurance and audit specialist | United Kingdom, London | Predictive ML models | 3 | 4 | 2026-11-09 | ||
| 61 | WorkNest | United Kingdom, London | LLM applicationsAI agents | 2 | 4 | 2026-11-09 | |||
| 74 | BreachLock | Security firm with AI testing | United States, New York | LLM applications | 1 | 3 | 2026-11-09 | ||
| 74 | Dionach | Security firm with AI testing | United Kingdom, Oxford | LLM applications | 2 | 3 | 2026-11-09 | ||
| 74 | Testbirds | Crowdtesting platform | Germany, Munich | Voice AI | 1 | 3 | 2026-11-09 | ||
| 86 | Anekanta AI | AI assurance and audit specialist | United Kingdom | Computer vision | 1 | 2 | 2026-11-09 |
HQ versus delivery
| Headquartered here | 8 |
|---|---|
| Delivery only | 13 |
HQ cities
- London2
- Oxford1
- Reading1
- Buckingham1
- Belfast1
Related
Product types here
Questions
How do you choose an AI testing company in a particular country?
Filter by country, then check whether the vendor is headquartered there or only delivers from there; country pages show both. Then compare the services each vendor states for your product type and ask about data residency and time zone overlap.
Should you work with a local AI testing company or a nearshore or offshore one?
A local team simplifies contracts, data residency and meetings; a nearshore or offshore team can widen the choice and change the cost. Country pages in this directory separate vendors headquartered in a country from those that deliver from it.
What should a UK business check when choosing an AI testing company?
Check where test data will be processed, which legal entity signs the contract, how the vendor handles UK GDPR, and whether its AI page covers your product type. 8 published entries are headquartered in the United Kingdom.