| Aiden.aiCompanies | London start-up that built an AI "marketing analyst" to run and adjust paid advertising for mobile-app marketers. | London | techcrunch.com/2018/11/06/aiden-ai-raises-a-1-6m | one source |
| geoSurgeCompanies | London software that lets brands track and shape how AI chatbots such as ChatGPT describe them. | London | Companies House · uktech.news/ai/ai-search-visibility-startup-geos · find-and-update.company-information.service.gov. · find-and-update.company-information.service.gov. | verified |
| Jacquard (formerly Phrasee)Companies | Sells large brands software that writes and tests marketing messages in the brand's own voice; formerly called Phrasee. renamed | London (EC1M 4JN) | Companies House · find-and-update.company-information.service.gov. · uktech.news/news/investment-news/martech-startup | verified |
| ObseroCompanies | Helps brands become more visible in AI-powered search results. | | tech.eu/2026/10/19/european-tech-weekly-recap-mo · portal.sfccapital.com/ | one source |
| POCKLACompanies | AI-powered content-strategy software for marketing teams. | London (as published; registered office Wantage OX12 8QR) | Companies House · tech.eu/2025/03/31/european-tech-weekly-recap-ov · find-and-update.company-information.service.gov. | verified |
| SearchableCompanies | Tracks and improves how brands appear in answers from AI search tools. | London (EC4R 1AG) | Companies House · uktech.news/ai/searchable-secures-10-3m-to-boost · find-and-update.company-information.service.gov. · find-and-update.company-information.service.gov. · uktech.news/funding/uk-tech-funding-roundup-this | verified |