What does Definitive Healthcare use?

As of November 2026, runsonwhat has found 35 tools at Definitive Healthcare (definitivehc.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Google Cloud. Application: jQuery, Font Awesome and OpenAI. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, LinkedIn Insight Tag and Microsoft Ads. Company Ops: Microsoft 365, SendGrid and Apple Business. Last checked November 3, 2026.

Definitive Healthcare uses Amazon Web Services for hosting and cloud infrastructure, alongside Google Cloud, Microsoft Azure and Acquia, according to runsonwhat (November 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on definitivehc.com. Amazon Web Services is used by 147,134 companies runsonwhat tracks.

Definitive Healthcare uses HubSpot for its CRM, alongside Salesloft, according to runsonwhat (November 2026). runsonwhat found HubSpot through a subdomain that points at HubSpot and email records, and Definitive Healthcare has used it since at least December 2017. HubSpot is used by 97,005 companies runsonwhat tracks.

Definitive Healthcare 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 and code on definitivehc.com. Microsoft 365 is used by 726,317 companies runsonwhat tracks.

Definitive Healthcare uses Zendesk for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found Zendesk through email records that authorize Zendesk. Zendesk is used by 43,289 companies runsonwhat tracks.

Definitive Healthcare uses Google Analytics for analytics, alongside Google Tag Manager, Microsoft Clarity and Pendo, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on definitivehc.com. Google Analytics is used by 905,746 companies runsonwhat tracks.

Definitive Healthcare has used HubSpot since at least December 2017, going by the first public certificate of the definitivehc.com subdomain that points at HubSpot. Other long-running tools at Definitive Healthcare include Fastly (since December 2017), HubSpot CMS (since December 2017) and Marketo (since January 2022).

Yes. runsonwhat found jQuery at Definitive Healthcare through jQuery code on definitivehc.com. jQuery is a Frontend tool used by 929,623 companies runsonwhat tracks.

Yes. runsonwhat has found OpenAI at Definitive Healthcare; OpenAI, for example, through a DNS verification record for OpenAI. AI services called only from servers leave no public trace, so Definitive Healthcare may use more AI tools than these.

The companies with the stacks most like Definitive Healthcare's are Corsearch, Oyster, Ditto and RELEX Solutions, according to runsonwhat (November 2026). Each shares 11 to 19 tools with Definitive Healthcare, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

runsonwhat reads public records only. Of the 35 tools at Definitive Healthcare, 15 were found through code on definitivehc.com, 12 through DNS records, 5 through subdomains that point at the vendor and 3 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and definitivehc.com about monthly.