# What does Refereum use?

Refereum (refereum.com) shows public evidence of 14 tools, according to runsonwhat (last checked 2026-10-20).

- Industry: Software
- Size: 11–50 employees
- Based in: San Francisco, United States
- Founded: 2017
- LinkedIn: https://www.linkedin.com/company/refereum

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Website code |  |

## 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 |  |
| [Vimeo](https://www.runsonwhat.com/reverse/vimeo) | Media & UI | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | DNS verification 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 |  |
| [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records |  |
| [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | Security & Compliance | DNS records |  |
| [Sectigo](https://www.runsonwhat.com/reverse/sectigo) | Security & Compliance | DNS records |  |
| [DigiCert](https://www.runsonwhat.com/reverse/digicert) | Security & Compliance | DNS records |  |
| [Amazon Trust Services](https://www.runsonwhat.com/reverse/amazon-trust) | Security & Compliance | DNS records |  |
| [Tipalti](https://www.runsonwhat.com/reverse/tipalti) | Finance & Legal | Email records |  |

## FAQ

### What tools does Refereum use?

As of October 2026, runsonwhat has found 14 tools at Refereum (refereum.com) in public records. Edge & Hosting: Cloudflare. Application: jQuery, Google Fonts and Vimeo. Go-to-market: Meta Pixel. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 20, 2026.

### What email provider does Refereum use?

Refereum uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 710,142 companies runsonwhat tracks.

### Does Refereum use jQuery?

Yes. runsonwhat found jQuery at Refereum through jQuery code on refereum.com. jQuery is a Frontend tool used by 915,039 companies runsonwhat tracks.

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

The companies with the stacks most like Refereum's are Certn, ClickFunnels, Huma and WhizzCo, according to runsonwhat (October 2026). Each shares 5 to 10 tools with Refereum, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Refereum uses?

runsonwhat reads public records only. Of the 14 tools at Refereum, 8 were found through DNS records, 3 through code on refereum.com and 3 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and refereum.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/refereum.com (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.