# What does Geyst AG use?

Geyst AG (geyst.ch) shows public evidence of 15 tools, according to runsonwhat (last checked 2026-11-12).

- Industry: Marketing and Advertising
- Size: 11–50 employees
- Based in: Zürich, Switzerland
- Founded: 2014
- LinkedIn: https://www.linkedin.com/company/geyst

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Cloud](https://www.runsonwhat.com/reverse/gcp) | Hosting & Cloud | Custom domain |  |
| [Vercel](https://www.runsonwhat.com/reverse/vercel) | Hosting & Cloud | Custom domain, DNS records, Website code |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | 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 |  |

## 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 |  |
| [Vercel Analytics](https://www.runsonwhat.com/reverse/vercel-analytics) | Analytics | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Email records |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, Email records |  |
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records |  |
| [reCAPTCHA](https://www.runsonwhat.com/reverse/recaptcha) | Security & Compliance | Website code |  |
| [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records |  |
| [CookieScript](https://www.runsonwhat.com/reverse/cookie-script) | Security & Compliance | Website code |  |

## FAQ

### What tools does Geyst use?

As of November 2026, runsonwhat has found 15 tools at Geyst (geyst.ch) in public records. Edge & Hosting: Google Cloud and Vercel. Application: Google Fonts, Adobe Fonts and Next.js. Data & Observability: Google Analytics, Google Tag Manager and Vercel Analytics. Go-to-market: Mailchimp. Company Ops: Microsoft 365, Google Workspace and reCAPTCHA. Last checked November 12, 2026.

### What cloud does Geyst run on?

Geyst uses Google Cloud for hosting and cloud infrastructure, alongside Vercel, according to runsonwhat (November 2026). runsonwhat found Google Cloud through a subdomain that points at Google Cloud. Google Cloud is used by 78,023 companies runsonwhat tracks.

### What email provider does Geyst use?

Geyst uses Microsoft 365 for email and office software, alongside Google Workspace and Apple Business, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 736,680 companies runsonwhat tracks.

### What analytics tools does Geyst use?

Geyst uses Google Analytics for analytics, alongside Google Tag Manager and Vercel Analytics, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on geyst.ch. Google Analytics is used by 904,091 companies runsonwhat tracks.

### What marketing software does Geyst use?

Geyst uses Mailchimp for marketing, according to runsonwhat (November 2026). runsonwhat found Mailchimp through email records that authorize Mailchimp. Mailchimp is used by 119,257 companies runsonwhat tracks.

### Does Geyst use Google Fonts?

Yes. runsonwhat found Google Fonts at Geyst through Google Fonts code on geyst.ch. Google Fonts is a Media & UI tool used by 825,765 companies runsonwhat tracks.

### How does runsonwhat know what Geyst uses?

runsonwhat reads public records only. Of the 15 tools at Geyst, 8 were found through code on geyst.ch, 3 through DNS records, 2 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 geyst.ch about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/geyst.ch (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.