# What does Causal use? Causal (causal.app) shows public evidence of 34 tools, according to runsonwhat (last checked 2026-10-21). - Industry: Software - Size: 11–50 employees - Based in: London, United Kingdom - Founded: 2019 - LinkedIn: https://www.linkedin.com/company/lucanet-ag ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Custom domain | | | [Google Cloud](https://www.runsonwhat.com/reverse/gcp) | Hosting & Cloud | DNS records | | | [Fastly](https://www.runsonwhat.com/reverse/fastly) | CDN & Edge | Website code | | | [Vercel](https://www.runsonwhat.com/reverse/vercel) | Hosting & Cloud | DNS verification records | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [Vimeo](https://www.runsonwhat.com/reverse/vimeo) | 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 | | | [Dreamdata](https://www.runsonwhat.com/reverse/dreamdata) | Analytics | Website code | | | [incident.io](https://www.runsonwhat.com/reverse/incidentio) | Monitoring | Custom domain | 2023-04 | ## 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, Website code | 2022-07 | | [Squarespace](https://www.runsonwhat.com/reverse/squarespace) | Website & CMS | Custom domain, DNS records | 2021-10 | | [HubSpot CMS](https://www.runsonwhat.com/reverse/hubspot-cms) | Website & CMS | Custom domain | 2022-07 | | [Reddit Ads](https://www.runsonwhat.com/reverse/reddit-ads) | Ads & Pixels | Website code | | | [StackAdapt](https://www.runsonwhat.com/reverse/stackadapt) | Ads & Pixels | Website code | | | [Dealfront](https://www.runsonwhat.com/reverse/leadfeeder) | Sales & CRM | Website code | | | [6sense](https://www.runsonwhat.com/reverse/sixsense) | Sales & CRM | Website code | | | [G2](https://www.runsonwhat.com/reverse/g2) | Marketing | Website code | | | [Drift](https://www.runsonwhat.com/reverse/drift) | Support & Docs | Website code | | | [Dub](https://www.runsonwhat.com/reverse/dub) | Marketing | Custom domain | 2024-02 | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, DNS verification records | | | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records | | | [Cookiebot](https://www.runsonwhat.com/reverse/cookiebot) | Security & Compliance | Website code | | | [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | Security & Compliance | DNS records | | | [Google Trust Services](https://www.runsonwhat.com/reverse/google-trust) | Security & Compliance | DNS records | | | [Mimecast](https://www.runsonwhat.com/reverse/mimecast) | Security & Compliance | Email records | | | [Amazon Trust Services](https://www.runsonwhat.com/reverse/amazon-trust) | Security & Compliance | DNS records | | | [HubSpot App Developer](https://www.runsonwhat.com/reverse/hubspot-developer) | Dev Tools | DNS verification records | | ## FAQ ### What tools does Causal use? As of October 2026, runsonwhat has found 34 tools at Causal (causal.app) in public records. Edge & Hosting: Amazon Web Services, Google Cloud and Fastly. Application: Vimeo. Data & Observability: Google Analytics, Google Tag Manager and Hotjar. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Microsoft 365, Google Workspace and Cookiebot. Last checked October 21, 2026. ### What cloud does Causal run on? Causal uses Amazon Web Services for hosting and cloud infrastructure, alongside Google Cloud and Vercel, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through a subdomain that points at Amazon Web Services. Amazon Web Services is used by 145,449 companies runsonwhat tracks. ### What CRM does Causal use? Causal uses HubSpot for its CRM, alongside Dealfront and 6sense, according to runsonwhat (October 2026). runsonwhat found HubSpot through a subdomain that points at HubSpot and code on causal.app, and Causal has used it since at least July 2022. HubSpot is used by 93,558 companies runsonwhat tracks. ### What email provider does Causal use? Causal uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and a DNS verification record. Microsoft 365 is used by 709,013 companies runsonwhat tracks. ### What does Causal use for customer support? Causal uses Drift for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Drift through Drift code on causal.app. Drift is used by 1,727 companies runsonwhat tracks. ### What analytics tools does Causal use? Causal uses Google Analytics for analytics, alongside Google Tag Manager, Hotjar and Dreamdata, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on causal.app. Google Analytics is used by 872,690 companies runsonwhat tracks. ### How long has Causal used Squarespace? Causal has used Squarespace since at least October 2021, going by the first public certificate of the causal.app subdomain that points at Squarespace. Other long-running tools at Causal include HubSpot (since July 2022), HubSpot CMS (since July 2022) and incident.io (since April 2023). ### Does Causal use Google Ads? Yes. runsonwhat found Google Ads at Causal through Google Ads code on causal.app. Google Ads is a Ads & Pixels tool used by 489,988 companies runsonwhat tracks. ### Which companies have a tech stack similar to Causal's? The companies with the stacks most like Causal's are Speakeasy API, iClosed io, Vitalize and Reducto, according to runsonwhat (October 2026). Each shares 8 to 16 tools with Causal, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Causal uses? runsonwhat reads public records only. Of the 34 tools at Causal, 17 were found through code on causal.app, 7 through DNS records, 6 through subdomains that point at the vendor, 3 through email records and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and causal.app about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/causal.app (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.