Company lists · Data verified August 2026
Top 25 AI companies in the United Kingdom
The United Kingdom ai companies list contains 1,308 companies and 13,292 business contacts, including 3,235 email addresses. Published in August 2026, the list includes companies across the category, with London as the single most-represented city. Use it to identify potential buyers, partners, and vendors in the ai companies market.
AI companies develop, sell, or provide artificial intelligence software, systems, products, or related services. This list covers companies that develop, sell, or provide artificial intelligence software, systems, products, or related services. Ranked by employee count, largest first. Data current as of August 28, 2026.
The 25 largest AI companies in the United Kingdom
Ranked by employees| # | Company | Verified emails |
|---|---|---|
| 1 |  Light In The Cloud | 0 |
| 2 |  Sail Reply | 0 |
| 3 |  Quantium | 687 |
| 4 |  Hyperlink Infosystem | 131 |
| 5 |  SDG Group UK | 12 |
| 6 |  WSI Digital Consulting Services | 3 |
| 7 |  Deepverse AI | 0 |
| 8 |  Pentastallion Software Solutions | 0 |
| 9 | Incessant Technologies UK Limited | 1 |
| 10 |  Sypwai LTD | 0 |
| 11 | Maic & RT | 0 |
| 12 |  Faculty | 269 |
| 13 |  Quantco | 180 |
| 14 |  Q Agency | 166 |
| 15 |  Venturedive | 117 |
| 16 |  Tractable | 68 |
| 17 |  TQA | 63 |
| 18 |  Covasant | 43 |
| 19 |  Worktual AI | 2 |
| 20 | Exactpro Systems Limited | 1 |
| 21 |  Praxis Digital | 1 |
| 22 | 8th Light Limited | 0 |
| 23 | Universal Mind LTD | 0 |
| 24 |  Exponentia.ai UK & Europe | 0 |
| 25 |  Techbytz | 0 |
| 26 |  Circeus | 0 |
| 27 |  Dailoqa | 0 |
| 28 | Lister Technologies LTD | 0 |
Showing 25 of 1,308 AI companies in the United Kingdom
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AI companies in the United Kingdom at a glance
As of Aug 28, 2026Companies by employee count
Companies by metro
How this list was built
- Source
- The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
- Inclusion
- Companies whose own business descriptions match “AI companies”, with match quality audited by blind human judging, and headquartered in the United Kingdom.
- Ranking
- Employee count, largest first. Ranges reflect verified bands, not estimates.
- Verification
- Contact records re-verify on a rolling cadence; 15 contacts on this list were re-verified in the last 30 days.
- Refresh
- Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.
Frequently asked
How many ai companies are in the United Kingdom list?
The list contains 1,308 ai companies in the United Kingdom.
Which city has the most ai companies on the list?
London is the single most-represented city among the companies on the list.
Does the ai companies list include contact information?
Yes, the list includes 13,292 business contacts and 3,235 email addresses.
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About this data
RevenueBase is a B2B contact data platform. Its company graph covers 21.3 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph, the same data that powers RevenueBase's B2B data products and the free research portal.