# What does Willis Re use?

Willis Re (willisre.com) shows public evidence of 20 tools, according to runsonwhat (last checked 2026-11-10).

- Industry: Insurance
- Size: 1,001–5,000 employees
- Based in: London, United Kingdom
- Founded: 1828
- LinkedIn: https://www.linkedin.com/company/willisre

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code |  |
| [Fastly](https://www.runsonwhat.com/reverse/fastly) | CDN & Edge | DNS records, Website code |  |
| [Fly.io](https://www.runsonwhat.com/reverse/fly) | Hosting & Cloud | 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 |  |
| [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records |  |

## Data & Observability

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

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [WordPress](https://www.runsonwhat.com/reverse/wordpress) | Website & CMS | Website code |  |
| [Rank Math](https://www.runsonwhat.com/reverse/rankmath) | Website & CMS | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, DNS verification records |  |
| [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records |  |
| [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records |  |
| [GlobalSign](https://www.runsonwhat.com/reverse/globalsign) | Security & Compliance | DNS verification records, DNS records |  |
| [Proofpoint](https://www.runsonwhat.com/reverse/proofpoint) | Security & Compliance | Email records |  |
| [DigiCert](https://www.runsonwhat.com/reverse/digicert) | Security & Compliance | DNS records |  |
| [OneTrust](https://www.runsonwhat.com/reverse/onetrust) | Security & Compliance | Website code |  |
| [Cloudflare Turnstile](https://www.runsonwhat.com/reverse/turnstile) | Security & Compliance | Website code |  |
| [Miro](https://www.runsonwhat.com/reverse/miro) | Collaboration | DNS verification records |  |
| [Foxit](https://www.runsonwhat.com/reverse/foxit) | Collaboration | DNS verification records |  |

## FAQ

### What tools does Willis Re use?

As of November 2026, runsonwhat has found 20 tools at Willis Re (willisre.com) in public records. Edge & Hosting: Cloudflare, Fastly and Fly.io. Application: jQuery, Google Fonts and Vimeo. Data & Observability: Google Analytics. Go-to-market: WordPress and Rank Math. Company Ops: Microsoft 365, SendGrid and Apple Business. Last checked November 10, 2026.

### What cloud does Willis Re run on?

Willis Re uses Fly.io for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Fly.io through Fly.io code on willisre.com. Fly.io is used by 5,471 companies runsonwhat tracks.

### What email provider does Willis Re use?

Willis Re uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and a DNS verification record. Microsoft 365 is used by 734,077 companies runsonwhat tracks.

### What analytics tools does Willis Re use?

Willis Re uses Google Analytics for analytics, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on willisre.com. Google Analytics is used by 903,920 companies runsonwhat tracks.

### What is Willis Re's website built with?

Willis Re uses WordPress for its website, alongside Rank Math, according to runsonwhat (November 2026). runsonwhat found WordPress through WordPress code on willisre.com. WordPress is used by 606,767 companies runsonwhat tracks.

### Does Willis Re use jQuery?

Yes. runsonwhat found jQuery at Willis Re through jQuery code on willisre.com. jQuery is a Frontend tool used by 927,218 companies runsonwhat tracks.

### Does Willis Re use AI tools?

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

### How does runsonwhat know what Willis Re uses?

runsonwhat reads public records only. Of the 20 tools at Willis Re, 10 were found through code on willisre.com, 7 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 willisre.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/willisre.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.