# What does Cello use? Cello (cello.so) shows public evidence of 31 tools, according to runsonwhat (last checked 2026-10-31). - Industry: Software - Size: 11–50 employees - Based in: München, Germany - Founded: 2022 - LinkedIn: https://www.linkedin.com/company/joincello ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code | | | [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Custom domain, Website code | | | [Amazon Route 53](https://www.runsonwhat.com/reverse/route53) | DNS | DNS records | | | [Vercel](https://www.runsonwhat.com/reverse/vercel) | Hosting & Cloud | Custom domain | 2022-11 | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [Vimeo](https://www.runsonwhat.com/reverse/vimeo) | Media & UI | Website code | | | [YouTube](https://www.runsonwhat.com/reverse/youtube) | Media & UI | Website code | | | [GSAP](https://www.runsonwhat.com/reverse/gsap) | Media & UI | Website code | | | [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records | | | [OpenAI](https://www.runsonwhat.com/reverse/openai) | AI | DNS verification records | | | [MCP Registry](https://www.runsonwhat.com/reverse/mcp-registry) | AI | DNS verification records | | ## 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 | | | [PostHog](https://www.runsonwhat.com/reverse/posthog) | Analytics | Website code | | | [DataFast](https://www.runsonwhat.com/reverse/datafast) | Analytics | Website code | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [WordPress](https://www.runsonwhat.com/reverse/wordpress) | Website & CMS | Website code | | | [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code | | | [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 | | | [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Email records, Website code | | | [Dealfront](https://www.runsonwhat.com/reverse/leadfeeder) | Sales & CRM | Website code | | | [Intercom](https://www.runsonwhat.com/reverse/intercom) | Support & Docs | Website code | | | [Rewardful](https://www.runsonwhat.com/reverse/rewardful) | Marketing | Website code | | | [PartnerStack](https://www.runsonwhat.com/reverse/partnerstack) | 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 | | | [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records | | | [CookieYes](https://www.runsonwhat.com/reverse/cookieyes) | Security & Compliance | Website code | | | [MailerSend](https://www.runsonwhat.com/reverse/mailersend) | Email Delivery | Email records | | | [Heyhack](https://www.runsonwhat.com/reverse/heyhack) | Security & Compliance | DNS verification records | | ## Recent changes at Cello - 2026-10-21: started using [Vimeo](https://www.runsonwhat.com/reverse/vimeo) - 2026-10-21: started using [YouTube](https://www.runsonwhat.com/reverse/youtube) ## Hiring at Cello 3 open roles on its public job board: Engineering 1, Marketing 1, Product & Design 1. ## FAQ ### What tools does Cello use? As of November 2026, runsonwhat has found 31 tools at Cello (cello.so) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: Vimeo, YouTube and GSAP. Data & Observability: Google Analytics, Google Tag Manager and Hotjar. Go-to-market: WordPress, Google Ads and Yoast SEO. Company Ops: Google Workspace, SendGrid and Apple Business. Last checked October 31, 2026. ### What cloud does Cello run on? Cello uses Amazon Web Services for hosting and cloud infrastructure, alongside Vercel, according to runsonwhat (November 2026). runsonwhat found Amazon Web Services through a subdomain that points at Amazon Web Services and code on cello.so. Amazon Web Services is used by 146,871 companies runsonwhat tracks. ### What CRM does Cello use? Cello uses HubSpot for its CRM, alongside Dealfront, according to runsonwhat (November 2026). runsonwhat found HubSpot through email records that authorize HubSpot and code on cello.so. HubSpot is used by 96,505 companies runsonwhat tracks. ### What email provider does Cello use? Cello uses Google Workspace for email and office software, alongside Apple Business, according to runsonwhat (November 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace and code on cello.so. Google Workspace is used by 412,572 companies runsonwhat tracks. ### What does Cello use for customer support? Cello uses Intercom for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found Intercom through Intercom code on cello.so. Intercom is used by 9,132 companies runsonwhat tracks. ### What analytics tools does Cello use? Cello uses Google Analytics for analytics, alongside Google Tag Manager, Hotjar and PostHog, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on cello.so. Google Analytics is used by 906,041 companies runsonwhat tracks. ### How long has Cello used Vercel? Cello has used Vercel since at least November 2022, going by the first public certificate of the cello.so subdomain that points at Vercel. ### Does Cello use Cloudflare? Yes. runsonwhat found Cloudflare at Cello through Cloudflare code on cello.so. Cloudflare is a CDN & Edge tool used by 725,977 companies runsonwhat tracks. ### Does Cello use AI tools? Yes. runsonwhat has found Anthropic, OpenAI and MCP Registry at Cello; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Cello may use more AI tools than these. ### Is Cello hiring? Yes. As of November 2026, Cello has 3 open roles on its public Ashby job board, most in engineering (1), marketing (1) and product & design (1). None were posted in the last 30 days. ### Has Cello changed tools recently? Yes. On runsonwhat's rechecks, Cello started using Vimeo and YouTube (latest on October 21, 2026). A change counts only between two checks of cello.so done the same way. ### Which companies have a tech stack similar to Cello's? The companies with the stacks most like Cello's are Malomo, monday.com, Typeform and Snapto, according to runsonwhat (November 2026). Each shares 7 to 17 tools with Cello, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Cello uses? runsonwhat reads public records only. Of the 31 tools at Cello, 18 were found through code on cello.so, 7 through DNS records, 4 through email records and 2 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and cello.so about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/cello.so (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.