# What does Square4 use?

Square4 (square4.com) shows public evidence of 21 tools, according to runsonwhat (last checked 2026-10-31).

- Industry: Financial Services
- Size: 11–50 employees
- Based in: London, United Kingdom
- LinkedIn: https://www.linkedin.com/company/square-4

## Edge & Hosting

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

## 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 |  |
| [YouTube](https://www.runsonwhat.com/reverse/youtube) | Media & UI | Website code |  |
| [Adobe Fonts](https://www.runsonwhat.com/reverse/adobe-fonts) | Media & UI | Website code |  |
| [OpenAI](https://www.runsonwhat.com/reverse/openai) | 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 |  |
| [Microsoft Clarity](https://www.runsonwhat.com/reverse/clarity) | 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 |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, Email records, Website code |  |
| [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 |  |
| [Exclaimer](https://www.runsonwhat.com/reverse/exclaimer) | Workspace | Email records |  |
| [Check Point Harmony Email](https://www.runsonwhat.com/reverse/avanan) | Security & Compliance | Email records |  |

## FAQ

### What tools does Square4 use?

As of November 2026, runsonwhat has found 21 tools at Square4 (square4.com) in public records. Edge & Hosting: Cloudflare and GoDaddy. Application: jQuery, Google Fonts and YouTube. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: WordPress, Google Ads and Yoast SEO. Company Ops: Microsoft 365, reCAPTCHA and SendGrid. Last checked October 31, 2026.

### What email provider does Square4 use?

Square4 uses Microsoft 365 for email and office software, alongside Apple Business and Exclaimer, 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 724,019 companies runsonwhat tracks.

### What analytics tools does Square4 use?

Square4 uses Google Analytics for analytics, alongside Google Tag Manager and Microsoft Clarity, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on square4.com. Google Analytics is used by 906,245 companies runsonwhat tracks.

### What is Square4's website built with?

Square4 uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (November 2026). runsonwhat found WordPress through WordPress code on square4.com. WordPress is used by 607,361 companies runsonwhat tracks.

### Does Square4 use jQuery?

Yes. runsonwhat found jQuery at Square4 through jQuery code on square4.com. jQuery is a Frontend tool used by 930,147 companies runsonwhat tracks.

### Does Square4 use AI tools?

Yes. runsonwhat has found OpenAI at Square4; OpenAI, for example, through a DNS verification record for OpenAI. AI services called only from servers leave no public trace, so Square4 may use more AI tools than these.

### How does runsonwhat know what Square4 uses?

runsonwhat reads public records only. Of the 21 tools at Square4, 11 were found through code on square4.com, 5 through DNS records, 3 through email records, 1 through subdomains that point at the vendor and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and square4.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/square4.com (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.