# What does Three UK use? Three UK (three.co.uk) shows public evidence of 41 tools, according to runsonwhat (last checked 2026-10-20). - Industry: Telecommunications - Based in: United Kingdom - Founded: 2003 - LinkedIn: https://www.linkedin.com/company/threeuk ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code | | | [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Website code | | | [Akamai](https://www.runsonwhat.com/reverse/akamai) | CDN & Edge | Custom domain | 2023-12 | | [CSC](https://www.runsonwhat.com/reverse/csc-domains) | DNS | DNS records | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code | | | [Google Maps](https://www.runsonwhat.com/reverse/google-maps) | Media & UI | Website code | | | [Lottie](https://www.runsonwhat.com/reverse/lottie) | Media & UI | Website code | | | [Three.js](https://www.runsonwhat.com/reverse/threejs) | Media & UI | Website code | | | [Auth0](https://www.runsonwhat.com/reverse/auth0) | Auth & Identity | Custom domain, Website config | 2022-08 | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code | | | [New Relic](https://www.runsonwhat.com/reverse/newrelic) | Monitoring | Website code | | | [Adobe Experience Platform Tags](https://www.runsonwhat.com/reverse/adobe-launch) | Data Pipeline | Website code | | | [Adobe Analytics](https://www.runsonwhat.com/reverse/adobe-analytics) | Analytics | Custom domain, Website code | | | [Dynatrace](https://www.runsonwhat.com/reverse/dynatrace) | Monitoring | Website code | | | [Medallia](https://www.runsonwhat.com/reverse/medallia) | Analytics | Website code | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | DNS verification records | | | [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Website code | | | [Salesforce](https://www.runsonwhat.com/reverse/salesforce) | Sales & CRM | Email records, Website code | | | [Awin](https://www.runsonwhat.com/reverse/awin) | Ads & Pixels | Website code | | | [Adobe Experience Manager](https://www.runsonwhat.com/reverse/adobe-aem) | Website & CMS | Website code | | | [Adobe Edge Delivery Services](https://www.runsonwhat.com/reverse/adobe-edge-delivery) | Website & CMS | Website code | | | [Yext](https://www.runsonwhat.com/reverse/yext) | Marketing | Website code | | | [Khoros](https://www.runsonwhat.com/reverse/khoros) | Support & Docs | Custom domain | 2021-10 | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records | | | [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records | | | [Amazon SES](https://www.runsonwhat.com/reverse/ses) | Email Delivery | Email records, Website code | | | [Mailchimp Transactional](https://www.runsonwhat.com/reverse/mandrill) | Email Delivery | DNS verification records, Email records | | | [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | Security & Compliance | DNS records | | | [GlobalSign](https://www.runsonwhat.com/reverse/globalsign) | Security & Compliance | DNS records | | | [DigiCert](https://www.runsonwhat.com/reverse/digicert) | Security & Compliance | DNS records | | | [Google Trust Services](https://www.runsonwhat.com/reverse/google-trust) | Security & Compliance | DNS records | | | [OneTrust](https://www.runsonwhat.com/reverse/onetrust) | Security & Compliance | Website code | | | [Valimail](https://www.runsonwhat.com/reverse/valimail) | Security & Compliance | Email records | | | [Adobe](https://www.runsonwhat.com/reverse/adobe) | Collaboration | DNS verification records | | | [DocuSign](https://www.runsonwhat.com/reverse/docusign) | Finance & Legal | DNS verification records, Website code | | | [Zoom](https://www.runsonwhat.com/reverse/zoom) | Collaboration | DNS verification records | | | [Amazon Trust Services](https://www.runsonwhat.com/reverse/amazon-trust) | Security & Compliance | DNS records | | | [Foxit](https://www.runsonwhat.com/reverse/foxit) | Collaboration | DNS verification records | | | [Symantec Email Security.cloud](https://www.runsonwhat.com/reverse/symantec-email) | Security & Compliance | Email records | | | [Dell Technologies](https://www.runsonwhat.com/reverse/dell-technologies) | Other traces | DNS verification records | | ## FAQ ### What tools does Three UK use? As of October 2026, runsonwhat has found 41 tools at Three UK (three.co.uk) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Akamai. Application: jQuery, Google Maps and Lottie. Data & Observability: Google Analytics, New Relic and Adobe Experience Platform Tags. Go-to-market: Meta Pixel, Mailchimp and Salesforce. Company Ops: Microsoft 365, Atlassian and Amazon SES. Last checked October 20, 2026. ### What cloud does Three UK run on? Three UK uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on three.co.uk. Amazon Web Services is used by 145,704 companies runsonwhat tracks. ### What CRM does Three UK use? Three UK uses Salesforce for its CRM, according to runsonwhat (October 2026). runsonwhat found Salesforce through email records that authorize Salesforce and code on three.co.uk. Salesforce is used by 34,090 companies runsonwhat tracks. ### What email provider does Three UK use? Three UK uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 711,315 companies runsonwhat tracks. ### What does Three UK use for customer support? Three UK uses Khoros for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Khoros through a subdomain that points at Khoros, and Three UK has used it since at least October 2021. Khoros is used by 129 companies runsonwhat tracks. ### What analytics tools does Three UK use? Three UK uses Google Analytics for analytics, alongside Adobe Analytics and Medallia, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on three.co.uk. Google Analytics is used by 881,446 companies runsonwhat tracks. ### How long has Three UK used Khoros? Three UK has used Khoros since at least October 2021, going by the first public certificate of the three.co.uk subdomain that points at Khoros. Other long-running tools at Three UK include Auth0 (since August 2022) and Akamai (since December 2023). ### Does Three UK use jQuery? Yes. runsonwhat found jQuery at Three UK through jQuery code on three.co.uk. jQuery is a Frontend tool used by 916,796 companies runsonwhat tracks. ### Which companies have a tech stack similar to Three UK's? The companies with the stacks most like Three UK's are Staples, Allied Irish Banks, 24 hour fitness and TDECU, according to runsonwhat (October 2026). Each shares 14 to 19 tools with Three UK, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Three UK uses? runsonwhat reads public records only. Of the 41 tools at Three UK, 17 were found through code on three.co.uk, 16 through DNS records, 4 through email records and 4 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and three.co.uk about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/three.co.uk (updated October 2026). Counts are companies with direct public evidence of the tool (DNS records, certificates, website code, a real-browser crawl, subprocessor lists), so they are lower bounds. Methodology: https://www.runsonwhat.com/methodology.