# What does Zero21 use?

Zero21 (zero21.eu) shows public evidence of 11 tools, according to runsonwhat (last checked 2026-11-05).

- Industry: Financial Services
- Size: 11–50 employees
- Based in: Cyprus
- Founded: 2024
- LinkedIn: https://www.linkedin.com/company/zero-21

## Application

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

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code |  |

## Go-to-market

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

## Company Ops

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

## FAQ

### What tools does Zero21 use?

As of November 2026, runsonwhat has found 11 tools at Zero21 (zero21.eu) in public records. Application: jQuery and Google Fonts. Data & Observability: Google Analytics. Go-to-market: Ortto. Company Ops: Microsoft 365, Google Workspace and reCAPTCHA. Last checked November 5, 2026.

### What email provider does Zero21 use?

Zero21 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. Microsoft 365 is used by 734,179 companies runsonwhat tracks.

### What analytics tools does Zero21 use?

Zero21 uses Google Analytics for analytics, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on zero21.eu. Google Analytics is used by 903,904 companies runsonwhat tracks.

### What marketing software does Zero21 use?

Zero21 uses Ortto for marketing, according to runsonwhat (November 2026). runsonwhat found Ortto through email records that authorize Ortto. Ortto is used by 696 companies runsonwhat tracks.

### Does Zero21 use jQuery?

Yes. runsonwhat found jQuery at Zero21 through jQuery code on zero21.eu. jQuery is a Frontend tool used by 927,196 companies runsonwhat tracks.

### Which companies have a tech stack similar to Zero21's?

The companies with the stacks most like Zero21's are Stableton, Switch Markets, Future Super and Marlin Communications, according to runsonwhat (November 2026). Each shares 4 to 10 tools with Zero21, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Zero21 uses?

runsonwhat reads public records only. Of the 11 tools at Zero21, 5 were found through code on zero21.eu, 3 through DNS records and 3 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and zero21.eu about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/zero21.eu (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.