# What does BIG use? BIG (big.at) shows public evidence of 13 tools, according to runsonwhat (last checked 2026-11-10). - Industry: Real Estate Company - Size: 201–1,000 employees - Based in: Austria - Founded: 1992 - LinkedIn: https://www.linkedin.com/company/big-at ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code | | | [Font Awesome](https://www.runsonwhat.com/reverse/fontawesome) | Media & UI | Website code | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Matomo](https://www.runsonwhat.com/reverse/matomo) | Analytics | Website code | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Yoast SEO](https://www.runsonwhat.com/reverse/yoast) | Website & CMS | Website code | | | [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code | | | [Brevo](https://www.runsonwhat.com/reverse/brevo) | Marketing | DNS verification records, Email records, Website code | | | [Dynamics 365 Customer Insights](https://www.runsonwhat.com/reverse/dynamics-365-marketing) | Marketing | DNS verification records | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, Website code | | | [Amazon SES](https://www.runsonwhat.com/reverse/ses) | Email Delivery | Email records | | | [Mailjet](https://www.runsonwhat.com/reverse/mailjet) | Email Delivery | Email records, Website code | | | [Miro](https://www.runsonwhat.com/reverse/miro) | Collaboration | DNS verification records | | | [Haufe umantis](https://www.runsonwhat.com/reverse/umantis) | People & HR | Custom domain, Email records | | | [Retarus](https://www.runsonwhat.com/reverse/retarus) | Security & Compliance | Email records | | ## Recent changes at BIG - 2026-10-09: started using [Dynamics 365 Customer Insights](https://www.runsonwhat.com/reverse/dynamics-365-marketing) - 2026-10-09: started using [Retarus](https://www.runsonwhat.com/reverse/retarus) ## FAQ ### What tools does BIG use? As of November 2026, runsonwhat has found 13 tools at BIG (big.at) in public records. Application: jQuery and Font Awesome. Data & Observability: Matomo. Go-to-market: Yoast SEO, LinkedIn Insight Tag and Brevo. Company Ops: Microsoft 365, Amazon SES and Mailjet. Last checked November 10, 2026. ### What email provider does BIG use? BIG uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and code on big.at. Microsoft 365 is used by 737,863 companies runsonwhat tracks. ### What analytics tools does BIG use? BIG uses Matomo for analytics, according to runsonwhat (November 2026). runsonwhat found Matomo through Matomo code on big.at. Matomo is used by 35,823 companies runsonwhat tracks. ### What is BIG's website built with? BIG uses Yoast SEO for its website, according to runsonwhat (November 2026). runsonwhat found Yoast SEO through Yoast SEO code on big.at. Yoast SEO is used by 313,247 companies runsonwhat tracks. ### What marketing software does BIG use? BIG uses Brevo for marketing, alongside Dynamics 365 Customer Insights, according to runsonwhat (November 2026). runsonwhat found Brevo through a DNS verification record for Brevo and email records. Brevo is used by 84,706 companies runsonwhat tracks. ### What does BIG use for hiring and HR? BIG uses Haufe umantis for hiring and HR, according to runsonwhat (November 2026). runsonwhat found Haufe umantis through a subdomain that points at Haufe umantis and email records. Haufe umantis is used by 589 companies runsonwhat tracks. ### Does BIG use jQuery? Yes. runsonwhat found jQuery at BIG through jQuery code on big.at. jQuery is a Frontend tool used by 927,313 companies runsonwhat tracks. ### Has BIG changed tools recently? Yes. On runsonwhat's rechecks, BIG started using Dynamics 365 Customer Insights and Retarus (latest on October 9, 2026). A change counts only between two checks of big.at done the same way. ### Which companies have a tech stack similar to BIG's? The companies with the stacks most like BIG's are Shoptec, Schweitzer Project S.p.A. with sole member, Rentenbank and Badenova Netze, according to runsonwhat (November 2026). Each shares 4 to 6 tools with BIG, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what BIG uses? runsonwhat reads public records only. Of the 13 tools at BIG, 5 were found through code on big.at, 4 through email records, 3 through DNS 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 big.at about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/big.at (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.