# What does Refeyn use? Refeyn (refeyn.com) shows public evidence of 33 tools, according to runsonwhat (last checked 2026-11-12). - Industry: Biotechnology - Size: 51–200 employees - Based in: Oxford, United Kingdom - Founded: 2018 - LinkedIn: https://www.linkedin.com/company/refeyn ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code | | | [Google Cloud](https://www.runsonwhat.com/reverse/gcp) | Hosting & Cloud | Custom domain | 2021-11 | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code | | | [Font Awesome](https://www.runsonwhat.com/reverse/fontawesome) | Media & UI | Website code | | | [GSAP](https://www.runsonwhat.com/reverse/gsap) | Media & UI | Website code | | | [Wistia](https://www.runsonwhat.com/reverse/wistia) | Media & UI | Website code | | | [Cloudinary](https://www.runsonwhat.com/reverse/cloudinary) | Media & UI | Website code | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code | | | [Microsoft Clarity](https://www.runsonwhat.com/reverse/clarity) | Analytics | Website code | | | [Sentry](https://www.runsonwhat.com/reverse/sentry) | Monitoring | Website code | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [WordPress](https://www.runsonwhat.com/reverse/wordpress) | Website & CMS | Website code | | | [Yoast SEO](https://www.runsonwhat.com/reverse/yoast) | Website & CMS | Website code | | | [Elementor](https://www.runsonwhat.com/reverse/elementor) | Website & CMS | Website code | | | [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code | | | [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Website code | | | [WooCommerce](https://www.runsonwhat.com/reverse/woocommerce) | Website & CMS | Website code | | | [Wix](https://www.runsonwhat.com/reverse/wix) | Website & CMS | Custom domain | 2022-03 | | [Salesforce](https://www.runsonwhat.com/reverse/salesforce) | Sales & CRM | Email records, Website code | | | [Pardot](https://www.runsonwhat.com/reverse/pardot) | Marketing | Custom domain, DNS verification records, Email records, Website code | 2022-05 | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records, Website code | | | [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records | | | [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records | | | [Mailchimp Transactional](https://www.runsonwhat.com/reverse/mandrill) | Email Delivery | Email records | | | [CookieYes](https://www.runsonwhat.com/reverse/cookieyes) | Security & Compliance | Website code | | | [Proofpoint](https://www.runsonwhat.com/reverse/proofpoint) | Security & Compliance | Email records | | | [Exclaimer](https://www.runsonwhat.com/reverse/exclaimer) | Workspace | Email records | | | [KnowBe4](https://www.runsonwhat.com/reverse/knowbe4) | Security & Compliance | Email records | | | [DocuSign](https://www.runsonwhat.com/reverse/docusign) | Finance & Legal | DNS verification records, Website code | | | [Postmark](https://www.runsonwhat.com/reverse/postmark) | Email Delivery | Email records | | | [Red Sift OnDMARC](https://www.runsonwhat.com/reverse/redsift) | Security & Compliance | Email records | | | [TeamViewer](https://www.runsonwhat.com/reverse/teamviewer) | Dev Tools | DNS verification records | | | [Greenhouse](https://www.runsonwhat.com/reverse/greenhouse) | People & HR | Website code | | ## Recent changes at Refeyn - 2026-10-27: started using again [TeamViewer](https://www.runsonwhat.com/reverse/teamviewer) - 2026-10-27: started using again [Apple Business](https://www.runsonwhat.com/reverse/apple) - 2026-10-27: started using again [Atlassian](https://www.runsonwhat.com/reverse/atlassian) - 2026-10-27: started using again [Exclaimer](https://www.runsonwhat.com/reverse/exclaimer) - 2026-10-27: started using again [Google Search Console](https://www.runsonwhat.com/reverse/gsc) - 2026-10-27: started using again [KnowBe4](https://www.runsonwhat.com/reverse/knowbe4) - 2026-10-27: started using again [Mailchimp Transactional](https://www.runsonwhat.com/reverse/mandrill) - 2026-10-19: stopped using [Apple Business](https://www.runsonwhat.com/reverse/apple) - 2026-10-19: stopped using [KnowBe4](https://www.runsonwhat.com/reverse/knowbe4) - 2026-10-19: stopped using [Atlassian](https://www.runsonwhat.com/reverse/atlassian) - 2026-10-19: stopped using [TeamViewer](https://www.runsonwhat.com/reverse/teamviewer) - 2026-10-19: stopped using [Exclaimer](https://www.runsonwhat.com/reverse/exclaimer) ## Hiring at Refeyn 6 open roles on its public job board: Other 2, Sales 2, Engineering 1, Operations 1. ## FAQ ### What tools does Refeyn use? As of November 2026, runsonwhat has found 33 tools at Refeyn (refeyn.com) in public records. Edge & Hosting: Cloudflare and Google Cloud. Application: jQuery, Font Awesome and GSAP. Data & Observability: Google Analytics, Microsoft Clarity and Sentry. Go-to-market: WordPress, Yoast SEO and Elementor. Company Ops: SendGrid, Apple Business and Atlassian. Last checked November 12, 2026. ### What cloud does Refeyn run on? Refeyn uses Google Cloud for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Google Cloud through a subdomain that points at Google Cloud, and Refeyn has used it since at least November 2021. Google Cloud is used by 78,016 companies runsonwhat tracks. ### What CRM does Refeyn use? Refeyn uses Salesforce for its CRM, according to runsonwhat (November 2026). runsonwhat found Salesforce through email records that authorize Salesforce and code on refeyn.com. Salesforce is used by 35,536 companies runsonwhat tracks. ### What email provider does Refeyn use? Refeyn uses Apple Business for email and office software, alongside Exclaimer, according to runsonwhat (November 2026). runsonwhat found Apple Business through a DNS verification record for Apple Business. Apple Business is used by 117,179 companies runsonwhat tracks. ### What analytics tools does Refeyn use? Refeyn uses Google Analytics for analytics, alongside Microsoft Clarity, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on refeyn.com. Google Analytics is used by 904,030 companies runsonwhat tracks. ### What is Refeyn's website built with? Refeyn uses WordPress for its website, alongside Yoast SEO, Elementor and WooCommerce, according to runsonwhat (November 2026). runsonwhat found WordPress through WordPress code on refeyn.com. WordPress is used by 606,893 companies runsonwhat tracks. ### How long has Refeyn used Google Cloud? Refeyn has used Google Cloud since at least November 2021, going by the first public certificate of the refeyn.com subdomain that points at Google Cloud. Other long-running tools at Refeyn include Wix (since March 2022) and Pardot (since May 2022). ### Does Refeyn use jQuery? Yes. runsonwhat found jQuery at Refeyn through jQuery code on refeyn.com. jQuery is a Frontend tool used by 927,257 companies runsonwhat tracks. ### Is Refeyn hiring? Yes. As of November 2026, Refeyn has 6 open roles on its public Greenhouse job board, most in sales (2), engineering (1) and operations (1). 5 were posted in the last 30 days and 7 were taken down. ### Has Refeyn changed tools recently? Yes. On runsonwhat's rechecks, Refeyn started using TeamViewer, Apple Business and Atlassian (latest on October 27, 2026) and stopped using Apple Business, KnowBe4 and Atlassian (latest on October 19, 2026). A change counts only between two checks of refeyn.com done the same way. ### Which companies have a tech stack similar to Refeyn's? The companies with the stacks most like Refeyn's are Precisionscientia, Public Label, Xevant and Stackrox (acquired By Red Hat), according to runsonwhat (November 2026). Each shares 6 to 14 tools with Refeyn, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Refeyn uses? runsonwhat reads public records only. Of the 33 tools at Refeyn, 17 were found through code on refeyn.com, 8 through email records, 5 through DNS records 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 refeyn.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/refeyn.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.