# What does Eisai Co., Ltd. use? Eisai Co., Ltd. (eisai.com) shows public evidence of 27 tools, according to runsonwhat (last checked 2026-11-11). - Industry: Pharmaceuticals - Based in: Japan - Founded: 1936 - LinkedIn: https://www.linkedin.com/company/eisaiglobal ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Amazon CloudFront](https://www.runsonwhat.com/reverse/cloudfront) | CDN & Edge | Website code | | | [Akamai](https://www.runsonwhat.com/reverse/akamai) | CDN & Edge | DNS records | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code | | | [OpenAI](https://www.runsonwhat.com/reverse/openai) | AI | DNS verification records | | | [Microsoft Entra ID](https://www.runsonwhat.com/reverse/entra-id) | Auth & Identity | Custom domain | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code | | | [Google Tag Manager](https://www.runsonwhat.com/reverse/gtm) | Analytics | Website code | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code | | | [Salesforce](https://www.runsonwhat.com/reverse/salesforce) | Sales & CRM | Email records | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, DNS verification records | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records | | | [Apple Business](https://www.runsonwhat.com/reverse/apple) | 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 | DNS verification records | | | [Mailgun](https://www.runsonwhat.com/reverse/mailgun) | Email Delivery | Custom domain | | | [DocuSign](https://www.runsonwhat.com/reverse/docusign) | Finance & Legal | DNS verification records | | | [Zoom](https://www.runsonwhat.com/reverse/zoom) | Collaboration | DNS verification records | | | [Smartsheet](https://www.runsonwhat.com/reverse/smartsheet) | Collaboration | DNS verification records | | | [Cisco Secure Email](https://www.runsonwhat.com/reverse/cisco-email) | Security & Compliance | Email records | | | [SAP SuccessFactors](https://www.runsonwhat.com/reverse/sap-successfactors) | People & HR | Email records | | | [Agari](https://www.runsonwhat.com/reverse/agari) | Security & Compliance | Email records | | | [Docebo](https://www.runsonwhat.com/reverse/docebo) | People & HR | Email records | | | [Pexip](https://www.runsonwhat.com/reverse/pexip) | Collaboration | DNS verification records | | | [MindManager](https://www.runsonwhat.com/reverse/mindmanager) | Collaboration | DNS verification records | | | [Phenom](https://www.runsonwhat.com/reverse/phenom) | People & HR | Custom domain | 2023-06 | | [Quickbase](https://www.runsonwhat.com/reverse/quickbase) | Collaboration | DNS verification records | | ## Recent changes at Eisai Co., Ltd. - 2026-11-03: started using again [Zoom](https://www.runsonwhat.com/reverse/zoom) - 2026-11-03: started using again [Apple Business](https://www.runsonwhat.com/reverse/apple) - 2026-11-03: started using again [Atlassian](https://www.runsonwhat.com/reverse/atlassian) - 2026-11-03: started using again [Docebo](https://www.runsonwhat.com/reverse/docebo) - 2026-11-03: started using again [DocuSign](https://www.runsonwhat.com/reverse/docusign) - 2026-11-03: started using again [Mailgun](https://www.runsonwhat.com/reverse/mailgun) - 2026-11-03: started using again [MindManager](https://www.runsonwhat.com/reverse/mindmanager) - 2026-11-03: started using again [OpenAI](https://www.runsonwhat.com/reverse/openai) - 2026-11-03: started using again [Pexip](https://www.runsonwhat.com/reverse/pexip) - 2026-11-03: started using again [Phenom](https://www.runsonwhat.com/reverse/phenom) - 2026-11-03: started using again [Quickbase](https://www.runsonwhat.com/reverse/quickbase) - 2026-11-03: started using again [Salesforce](https://www.runsonwhat.com/reverse/salesforce) ## FAQ ### What tools does Eisai use? As of November 2026, runsonwhat has found 27 tools at Eisai (eisai.com) in public records. Edge & Hosting: Amazon CloudFront and Akamai. Application: jQuery, OpenAI and Microsoft Entra ID. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: Google Ads and Salesforce. Company Ops: Microsoft 365, SendGrid and Apple Business. Last checked November 11, 2026. ### What CRM does Eisai use? Eisai uses Salesforce for its CRM, according to runsonwhat (November 2026). runsonwhat found Salesforce through email records that authorize Salesforce. Salesforce is used by 35,591 companies runsonwhat tracks. ### What email provider does Eisai use? Eisai uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and a DNS verification record. Microsoft 365 is used by 737,872 companies runsonwhat tracks. ### What analytics tools does Eisai use? Eisai uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on eisai.com. Google Analytics is used by 904,324 companies runsonwhat tracks. ### What does Eisai use for hiring and HR? Eisai uses SAP SuccessFactors for hiring and HR, alongside Docebo and Phenom, according to runsonwhat (November 2026). runsonwhat found SAP SuccessFactors through email records that authorize SAP SuccessFactors. SAP SuccessFactors is used by 3,327 companies runsonwhat tracks. ### What does Eisai use for login and identity? Eisai uses Microsoft Entra ID for sign-in and identity, according to runsonwhat (November 2026). runsonwhat found Microsoft Entra ID through a subdomain that points at Microsoft Entra ID. Microsoft Entra ID is used by 3,281 companies runsonwhat tracks. ### How long has Eisai used Phenom? Eisai has used Phenom since at least June 2023, going by the first public certificate of the eisai.com subdomain that points at Phenom. ### Does Eisai use jQuery? Yes. runsonwhat found jQuery at Eisai through jQuery code on eisai.com. jQuery is a Frontend tool used by 927,319 companies runsonwhat tracks. ### Does Eisai use AI tools? Yes. runsonwhat has found OpenAI at Eisai; OpenAI, for example, through a DNS verification record for OpenAI. AI services called only from servers leave no public trace, so Eisai may use more AI tools than these. ### Has Eisai changed tools recently? Yes. On runsonwhat's rechecks, Eisai started using Zoom, Apple Business and Atlassian (latest on November 3, 2026) and stopped using Apple Business, Phenom and Atlassian (latest on October 30, 2026). A change counts only between two checks of eisai.com done the same way. ### Which companies have a tech stack similar to Eisai's? The companies with the stacks most like Eisai's are Cadila Pharmaceuticals, Asurion, Bright Horizons Family Solutions and Optum, according to runsonwhat (November 2026). Each shares 7 to 14 tools with Eisai, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Eisai uses? runsonwhat reads public records only. Of the 27 tools at Eisai, 12 were found through DNS records, 7 through email records, 5 through code on eisai.com and 3 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and eisai.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/eisai.com (updated November 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.