# What does A4 Office & School Supplies use? A4 Office & School Supplies (a4.is) shows public evidence of 23 tools, according to runsonwhat (last checked 2026-11-11). - Industry: Retail - Size: 51–200 employees - Based in: Reykjavík-4, Iceland - LinkedIn: https://www.linkedin.com/company/a4 ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Website code | | | [Amazon Route 53](https://www.runsonwhat.com/reverse/route53) | DNS | DNS records | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code | | | [YouTube](https://www.runsonwhat.com/reverse/youtube) | Media & UI | Website code | | | [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code | | | [Adobe Fonts](https://www.runsonwhat.com/reverse/adobe-fonts) | Media & UI | Website code | | | [Next.js](https://www.runsonwhat.com/reverse/nextjs) | Frontend | Website code | | | [Algolia](https://www.runsonwhat.com/reverse/algolia) | Search | 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 | | ## 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 | | | [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Email records, Website code | | | [Klaviyo](https://www.runsonwhat.com/reverse/klaviyo) | Marketing | DNS verification records, Website code | | | [Magento](https://www.runsonwhat.com/reverse/magento) | Website & CMS | Website code | | | [DatoCMS](https://www.runsonwhat.com/reverse/datocms) | Website & CMS | Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, DNS verification records, Website code | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records | | | [Cookiebot](https://www.runsonwhat.com/reverse/cookiebot) | Security & Compliance | Website code | | | [Mailchimp Transactional](https://www.runsonwhat.com/reverse/mandrill) | Email Delivery | Email records | | ## FAQ ### What tools does A4 Office & School Supplies use? As of November 2026, runsonwhat has found 23 tools at A4 Office & School Supplies (a4.is) in public records. Edge & Hosting: Amazon Web Services and Amazon Route 53. Application: Google Fonts, YouTube and React. Data & Observability: Google Analytics, Google Tag Manager and Hotjar. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Microsoft 365, SendGrid and Cookiebot. Last checked November 11, 2026. ### What cloud does A4 Office & School Supplies run on? A4 Office & School Supplies uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on a4.is. Amazon Web Services is used by 147,749 companies runsonwhat tracks. ### What email provider does A4 Office & School Supplies use? A4 Office & School Supplies 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 a DNS verification record. Microsoft 365 is used by 739,102 companies runsonwhat tracks. ### What analytics tools does A4 Office & School Supplies use? A4 Office & School Supplies uses Google Analytics for analytics, alongside Google Tag Manager and Hotjar, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on a4.is. Google Analytics is used by 904,642 companies runsonwhat tracks. ### What is A4 Office & School Supplies's website built with? A4 Office & School Supplies uses Magento for its website, alongside DatoCMS, according to runsonwhat (November 2026). runsonwhat found Magento through Magento code on a4.is. Magento is used by 6,442 companies runsonwhat tracks. ### What marketing software does A4 Office & School Supplies use? A4 Office & School Supplies uses Mailchimp for marketing, alongside Klaviyo, according to runsonwhat (November 2026). runsonwhat found Mailchimp through email records that authorize Mailchimp and code on a4.is. Mailchimp is used by 119,451 companies runsonwhat tracks. ### Does A4 Office & School Supplies use Google Fonts? Yes. runsonwhat found Google Fonts at A4 Office & School Supplies through Google Fonts code on a4.is. Google Fonts is a Media & UI tool used by 826,269 companies runsonwhat tracks. ### Which companies have a tech stack similar to A4 Office & School Supplies's? The companies with the stacks most like A4 Office & School Supplies' are Musixmatch, Essencemediacom Mena, Volue and Heninger Garrison Davis, according to runsonwhat (November 2026). Each shares 8 to 13 tools with A4 Office & School Supplies, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what A4 Office & School Supplies uses? runsonwhat reads public records only. Of the 23 tools at A4 Office & School Supplies, 16 were found through code on a4.is, 4 through email records and 3 through DNS records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and a4.is about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/a4.is (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.