# What does Holert GmbH use? Holert GmbH (holert.com) shows public evidence of 23 tools, according to runsonwhat (last checked 2026-10-11). - Industry: IT Services - Size: 11–50 employees - Based in: München, Germany - Founded: 2004 - LinkedIn: https://www.linkedin.com/company/holert-com ## 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 | | | [Font Awesome](https://www.runsonwhat.com/reverse/fontawesome) | Media & UI | Website code | | | [YouTube](https://www.runsonwhat.com/reverse/youtube) | 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 | | | [Microsoft Clarity](https://www.runsonwhat.com/reverse/clarity) | Analytics | Website code | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [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 | | | [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Website code | | | [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code | | | [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Custom domain, Email records, Website code | | | [Shopify](https://www.runsonwhat.com/reverse/shopify) | Website & CMS | Custom domain | | | [HubSpot CMS](https://www.runsonwhat.com/reverse/hubspot-cms) | Website & CMS | Custom domain, Website code | | | [LinkedIn](https://www.runsonwhat.com/reverse/linkedin) | Marketing | DNS verification records | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, DNS verification records, Website code | | | [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records | | | [Mailchimp Transactional](https://www.runsonwhat.com/reverse/mandrill) | Email Delivery | Email records, DNS verification records | | | [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | Security & Compliance | DNS records | | | [Postmark](https://www.runsonwhat.com/reverse/postmark) | Email Delivery | Email records | | | [Citrix](https://www.runsonwhat.com/reverse/citrix) | Dev Tools | DNS verification records | | ## FAQ ### What tools does Holert use? As of October 2026, runsonwhat has found 23 tools at Holert (holert.com) in public records. Edge & Hosting: Cloudflare. Application: jQuery, Google Fonts and Font Awesome. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, Meta Pixel and Mailchimp. Company Ops: Microsoft 365, Atlassian and Mailchimp Transactional. Last checked October 11, 2026. ### What CRM does Holert use? Holert uses HubSpot for its CRM, according to runsonwhat (October 2026). runsonwhat found HubSpot through a subdomain that points at HubSpot and email records. HubSpot is used by 92,045 companies runsonwhat tracks. ### What email provider does Holert use? Holert uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and a DNS verification record. Microsoft 365 is used by 701,686 companies runsonwhat tracks. ### What analytics tools does Holert use? Holert uses Google Analytics for analytics, alongside Google Tag Manager and Microsoft Clarity, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on holert.com. Google Analytics is used by 852,142 companies runsonwhat tracks. ### What is Holert's website built with? Holert uses Shopify for its website, alongside HubSpot CMS, according to runsonwhat (October 2026). runsonwhat found Shopify through a subdomain that points at Shopify. Shopify is used by 58,781 companies runsonwhat tracks. ### What marketing software does Holert use? Holert uses Mailchimp for marketing, alongside LinkedIn, according to runsonwhat (October 2026). runsonwhat found Mailchimp through Mailchimp code on holert.com. Mailchimp is used by 113,174 companies runsonwhat tracks. ### Does Holert use jQuery? Yes. runsonwhat found jQuery at Holert through jQuery code on holert.com. jQuery is a Frontend tool used by 896,950 companies runsonwhat tracks. ### Which companies have a tech stack similar to Holert's? The companies with the stacks most like Holert's are Help4Access, Advania, Ledet Training and Scentsy, according to runsonwhat (October 2026). Each shares 12 to 12 tools with Holert, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Holert uses? runsonwhat reads public records only. Of the 23 tools at Holert, 12 were found through code on holert.com, 5 through DNS records, 3 through email 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 holert.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/holert.com (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.