# What does Ontellus, LLC use? Ontellus, LLC (ontellus.com) shows public evidence of 24 tools, according to runsonwhat (last checked 2026-10-08). - Industry: Information Services - Size: 201–1,000 employees - Based in: Houston, United States - Founded: 1975 - LinkedIn: https://www.linkedin.com/company/ontellus ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Email records, Website code | | | [Microsoft Azure](https://www.runsonwhat.com/reverse/azure) | Hosting & Cloud | DNS records, 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 | | | [Motion](https://www.runsonwhat.com/reverse/framer-motion) | 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 | | | [web-vitals](https://www.runsonwhat.com/reverse/web-vitals) | Monitoring | Website code | | | [Pendo](https://www.runsonwhat.com/reverse/pendo) | Analytics | DNS verification records | | ## 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 | | | [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 | | | [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Custom domain, Email records, Website code | | | [Salesforce](https://www.runsonwhat.com/reverse/salesforce) | Sales & CRM | Email records, Website code | | | [HubSpot CMS](https://www.runsonwhat.com/reverse/hubspot-cms) | Website & CMS | Custom domain, Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, Website code | | | [reCAPTCHA](https://www.runsonwhat.com/reverse/recaptcha) | Security & Compliance | Website code | | | [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 | | | [Airtable](https://www.runsonwhat.com/reverse/airtable) | Collaboration | DNS verification records | | ## FAQ ### What tools does Ontellus use? As of October 2026, runsonwhat has found 24 tools at Ontellus (ontellus.com) in public records. Edge & Hosting: Cloudflare and Microsoft Azure. Application: jQuery, Google Fonts and Font Awesome. Data & Observability: Google Analytics, Google Tag Manager and web-vitals. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Microsoft 365, reCAPTCHA and SendGrid. Last checked October 8, 2026. ### What cloud does Ontellus run on? Ontellus uses Microsoft Azure for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Microsoft Azure through DNS records that point at Microsoft Azure and code on ontellus.com. Microsoft Azure is used by 45,295 companies runsonwhat tracks. ### What CRM does Ontellus use? Ontellus uses HubSpot for its CRM, alongside Salesforce, according to runsonwhat (October 2026). runsonwhat found HubSpot through a subdomain that points at HubSpot and email records. HubSpot is used by 91,905 companies runsonwhat tracks. ### What email provider does Ontellus use? Ontellus uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and code on ontellus.com. Microsoft 365 is used by 700,620 companies runsonwhat tracks. ### What analytics tools does Ontellus use? Ontellus uses Google Analytics for analytics, alongside Google Tag Manager and Pendo, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on ontellus.com. Google Analytics is used by 850,419 companies runsonwhat tracks. ### What is Ontellus's website built with? Ontellus uses HubSpot CMS for its website, according to runsonwhat (October 2026). runsonwhat found HubSpot CMS through a subdomain that points at HubSpot CMS and code on ontellus.com. HubSpot CMS is used by 32,731 companies runsonwhat tracks. ### Does Ontellus use jQuery? Yes. runsonwhat found jQuery at Ontellus through jQuery code on ontellus.com. jQuery is a Frontend tool used by 895,865 companies runsonwhat tracks. ### Which companies have a tech stack similar to Ontellus's? The companies with the stacks most like Ontellus' are Smartbear, Bionexo, Swimlane and Serko, according to runsonwhat (October 2026). Each shares 10 to 13 tools with Ontellus, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Ontellus uses? runsonwhat reads public records only. Of the 24 tools at Ontellus, 13 were found through code on ontellus.com, 5 through DNS records, 4 through email records and 2 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and ontellus.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/ontellus.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.