# What does O'Callaghan Collection use? O'Callaghan Collection (ocallaghancollection.com) shows public evidence of 20 tools, according to runsonwhat (last checked 2026-11-12). - Industry: Hospitality - Size: 201–1,000 employees - Based in: Dublin 2, Ireland - Founded: 1990 - LinkedIn: https://www.linkedin.com/company/ocallaghancollection ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code | | | [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | 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 | | | [The Hotels Network](https://www.runsonwhat.com/reverse/the-hotels-network) | Analytics | Website code | | ## 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 | | | [Brevo](https://www.runsonwhat.com/reverse/brevo) | Marketing | DNS verification records, Email records, Website code | | | [Zoho](https://www.runsonwhat.com/reverse/zoho) | Sales & CRM | Email records | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Custom domain, Email records | | | [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records | | | [OneTrust](https://www.runsonwhat.com/reverse/onetrust) | Security & Compliance | Website code | | | [Sophos](https://www.runsonwhat.com/reverse/sophos) | Security & Compliance | DNS verification records, Email records | | ## FAQ ### What tools does O'Callaghan Collection use? As of November 2026, runsonwhat has found 20 tools at O'Callaghan Collection (ocallaghancollection.com) in public records. Edge & Hosting: Cloudflare. Application: jQuery and Google Fonts. Data & Observability: Google Analytics, Google Tag Manager and Hotjar. Go-to-market: WordPress, Google Ads and Meta Pixel. Company Ops: Microsoft 365, SendGrid and Apple Business. Last checked November 12, 2026. ### What CRM does O'Callaghan Collection use? O'Callaghan Collection uses Zoho for its CRM, according to runsonwhat (November 2026). runsonwhat found Zoho through email records that authorize Zoho. Zoho is used by 65,495 companies runsonwhat tracks. ### What email provider does O'Callaghan Collection use? O'Callaghan Collection 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. Microsoft 365 is used by 736,661 companies runsonwhat tracks. ### What analytics tools does O'Callaghan Collection use? O'Callaghan Collection uses Google Analytics for analytics, alongside Google Tag Manager, Hotjar and The Hotels Network, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on ocallaghancollection.com. Google Analytics is used by 904,027 companies runsonwhat tracks. ### What is O'Callaghan Collection's website built with? O'Callaghan Collection uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (November 2026). runsonwhat found WordPress through WordPress code on ocallaghancollection.com. WordPress is used by 606,902 companies runsonwhat tracks. ### What marketing software does O'Callaghan Collection use? O'Callaghan Collection uses Brevo for marketing, according to runsonwhat (November 2026). runsonwhat found Brevo through a DNS verification record for Brevo and email records. Brevo is used by 84,563 companies runsonwhat tracks. ### Does O'Callaghan Collection use jQuery? Yes. runsonwhat found jQuery at O'Callaghan Collection through jQuery code on ocallaghancollection.com. jQuery is a Frontend tool used by 927,260 companies runsonwhat tracks. ### Which companies have a tech stack similar to O'Callaghan Collection's? The companies with the stacks most like O'Callaghan Collection's are Finolhu, a Seaside Collection Resort, C Resorts, Janeiro Hotel and Timhotel, according to runsonwhat (November 2026). Each shares 10 to 12 tools with O'Callaghan Collection, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what O'Callaghan Collection uses? runsonwhat reads public records only. Of the 20 tools at O'Callaghan Collection, 13 were found through code on ocallaghancollection.com, 4 through DNS records, 2 through email records and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and ocallaghancollection.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/ocallaghancollection.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.