LLM applications testing companies in United Kingdom
5 published entries headquartered in United Kingdom state testing of LLM applications. Another 8 entries headquartered elsewhere list United Kingdom as a delivery location.
Showing 5 of 5. Default order: coverage score, then name. How the score works.
| Rank | Company type | AI products (as stated) | Services | Verified | |||||
|---|---|---|---|---|---|---|---|---|---|
| 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 | WorkNest | United Kingdom, London | LLM applicationsAI agents | 2 | 4 | 2026-11-09 | |||
| 74 | Dionach | Security firm with AI testing | United Kingdom, Oxford | LLM applications | 2 | 3 | 2026-11-09 |
Testing LLM applications from elsewhere, delivering into United Kingdom
8 entries headquartered outside United Kingdom with United Kingdom among the delivery locations confirmed by two sources.
- DeviQA HQ Poland
- ImpactQA HQ United States
- TestingXperts HQ United States
- QualityAI (formerly Qualitest) HQ United States
- SunTec India HQ India
- Indium Software HQ United States
- DataArt HQ United States
- BreachLock HQ United States