# What does Built In use? Built In (builtin.com) shows public evidence of 21 tools, according to runsonwhat (last checked 2026-10-11). - Industry: Internet - Size: 51–200 employees - Based in: Chicago, United States - LinkedIn: https://www.linkedin.com/company/built-in ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Website code | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [Font Awesome](https://www.runsonwhat.com/reverse/fontawesome) | 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 | | | [Crazy Egg](https://www.runsonwhat.com/reverse/crazyegg) | Analytics | Website code | | | [Better Stack](https://www.runsonwhat.com/reverse/betterstack) | Monitoring | Custom domain | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code | | | [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Email records, Website code | | | [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Email records, Website code | | | [Pardot](https://www.runsonwhat.com/reverse/pardot) | Marketing | DNS verification records, Email records, Website code | | | [Jotform](https://www.runsonwhat.com/reverse/jotform) | Marketing | Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records, Website code | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records, Website code | | | [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records | | | [Mailchimp Transactional](https://www.runsonwhat.com/reverse/mandrill) | Email Delivery | Email records | | | [Mailgun](https://www.runsonwhat.com/reverse/mailgun) | Email Delivery | Email records, Website code | | | [Osano](https://www.runsonwhat.com/reverse/osano) | Security & Compliance | Website code | | | [Box](https://www.runsonwhat.com/reverse/box) | Collaboration | DNS verification records | | | [Rippling](https://www.runsonwhat.com/reverse/rippling) | People & HR | DNS verification records | | ## FAQ ### What tools does Built In use? As of October 2026, runsonwhat has found 21 tools at Built In (builtin.com) in public records. Edge & Hosting: Cloudflare. Application: Font Awesome. Data & Observability: Google Analytics, Google Tag Manager and Hotjar. Go-to-market: Google Ads, Mailchimp and HubSpot. Company Ops: Google Workspace, SendGrid and Apple Business. Last checked October 11, 2026. ### What CRM does Built In use? Built In uses HubSpot for its CRM, according to runsonwhat (October 2026). runsonwhat found HubSpot through email records that authorize HubSpot and code on builtin.com. HubSpot is used by 91,893 companies runsonwhat tracks. ### What email provider does Built In use? Built In uses Google Workspace for email and office software, alongside Apple Business, according to runsonwhat (October 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace and code on builtin.com. Google Workspace is used by 396,640 companies runsonwhat tracks. ### What analytics tools does Built In use? Built In uses Google Analytics for analytics, alongside Google Tag Manager, Hotjar and Crazy Egg, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on builtin.com. Google Analytics is used by 850,234 companies runsonwhat tracks. ### What marketing software does Built In use? Built In uses Mailchimp for marketing, alongside Pardot and Jotform, according to runsonwhat (October 2026). runsonwhat found Mailchimp through email records that authorize Mailchimp and code on builtin.com. Mailchimp is used by 113,065 companies runsonwhat tracks. ### What does Built In use for hiring and HR? Built In uses Rippling for hiring and HR, according to runsonwhat (October 2026). runsonwhat found Rippling through a DNS verification record for Rippling. Rippling is used by 3,126 companies runsonwhat tracks. ### Does Built In use Cloudflare? Yes. runsonwhat found Cloudflare at Built In through DNS records that point at Cloudflare and code on builtin.com. Cloudflare is a CDN & Edge tool used by 691,529 companies runsonwhat tracks. ### Which companies have a tech stack similar to Built In's? The companies with the stacks most like Built In's are MiCamp, SurveyRock, Dexcom and True Resources, according to runsonwhat (October 2026). Each shares 5 to 9 tools with Built In, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Built In uses? runsonwhat reads public records only. Of the 21 tools at Built In, 8 were found through code on builtin.com, 6 through DNS records, 6 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 builtin.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/builtin.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.