# What does Paychex Europe use? Paychex Europe (lessor.dk) shows public evidence of 27 tools, according to runsonwhat (last checked 2026-10-16). - Industry: Software - Size: 201–1,000 employees - Based in: Allerød, Denmark - Founded: 1972 - LinkedIn: https://www.linkedin.com/company/paychexeurope ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code | | | [GSAP](https://www.runsonwhat.com/reverse/gsap) | Media & UI | Website code | | | [OpenAI](https://www.runsonwhat.com/reverse/openai) | AI | DNS verification records | | | [Lottie](https://www.runsonwhat.com/reverse/lottie) | Media & UI | Website code | | ## 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 | | | [Hotjar](https://www.runsonwhat.com/reverse/hotjar) | Analytics | Website code | | | [Pendo](https://www.runsonwhat.com/reverse/pendo) | Analytics | DNS verification records | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [WordPress](https://www.runsonwhat.com/reverse/wordpress) | Website & CMS | Website code | | | [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code | | | [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | Website code | | | [Yoast SEO](https://www.runsonwhat.com/reverse/yoast) | Website & CMS | Website code | | | [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code | | | [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code | | | [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Email records | | | [ChatGPT Ads](https://www.runsonwhat.com/reverse/chatgpt-ads) | Ads & Pixels | Website code | | | [APSIS](https://www.runsonwhat.com/reverse/apsis) | Marketing | Email records | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email 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 | | | [Mailjet](https://www.runsonwhat.com/reverse/mailjet) | Email Delivery | Email records | | | [Webex](https://www.runsonwhat.com/reverse/webex) | Collaboration | DNS verification records | | | [Miro](https://www.runsonwhat.com/reverse/miro) | Collaboration | DNS verification records | | | [1Password](https://www.runsonwhat.com/reverse/1password) | Security & Compliance | DNS verification records | | | [Cookie Information](https://www.runsonwhat.com/reverse/cookie-information) | Security & Compliance | Website code | | | [Wiz](https://www.runsonwhat.com/reverse/wiz) | Security & Compliance | DNS verification records | | ## FAQ ### What tools does Paychex Europe use? As of October 2026, runsonwhat has found 27 tools at Paychex Europe (lessor.dk) in public records. Application: jQuery, GSAP and OpenAI. Data & Observability: Google Analytics, Google Tag Manager and Hotjar. Go-to-market: WordPress, Google Ads and Meta Pixel. Company Ops: Microsoft 365, Atlassian and Mailchimp Transactional. Last checked October 16, 2026. ### What email provider does Paychex Europe use? Paychex Europe uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365. Microsoft 365 is used by 701,709 companies runsonwhat tracks. ### What does Paychex Europe use for customer support? Paychex Europe uses Zendesk for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Zendesk through email records that authorize Zendesk. Zendesk is used by 40,923 companies runsonwhat tracks. ### What analytics tools does Paychex Europe use? Paychex Europe uses Google Analytics for analytics, alongside Google Tag Manager, Hotjar and Pendo, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on lessor.dk. Google Analytics is used by 852,578 companies runsonwhat tracks. ### What is Paychex Europe's website built with? Paychex Europe uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on lessor.dk. WordPress is used by 582,201 companies runsonwhat tracks. ### What marketing software does Paychex Europe use? Paychex Europe uses APSIS for marketing, according to runsonwhat (October 2026). runsonwhat found APSIS through email records that authorize APSIS. APSIS is used by 615 companies runsonwhat tracks. ### Does Paychex Europe use jQuery? Yes. runsonwhat found jQuery at Paychex Europe through jQuery code on lessor.dk. jQuery is a Frontend tool used by 897,134 companies runsonwhat tracks. ### Does Paychex Europe use AI tools? Yes. runsonwhat has found OpenAI at Paychex Europe; OpenAI, for example, through a DNS verification record for OpenAI. AI services called only from servers leave no public trace, so Paychex Europe may use more AI tools than these. ### Which companies have a tech stack similar to Paychex Europe's? The companies with the stacks most like Paychex Europe's are Citrix, Workday, RELEX Solutions and Qualtrics, according to runsonwhat (October 2026). Each shares 12 to 17 tools with Paychex Europe, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Paychex Europe uses? runsonwhat reads public records only. Of the 27 tools at Paychex Europe, 14 were found through code on lessor.dk, 8 through DNS records and 5 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and lessor.dk about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/lessor.dk (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.