runsonwhat

Willis Group's tech stack

What does Willis Group use?

Willis Group (willistowerswatson.com) uses at least 23 tools we can see from public records, including Vercel for hosting, Microsoft 365 for email and documents, HubSpot for sales and Pardot for marketing. Last checked .

Industry
Insurance Broker
Based in
United Kingdom
Founded
1828
Tools found
23
Categories
9
Layers
4 of 5
Last checked
Oct 2026

Willis Group's stack, layer by layer

Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.

Edge & Hosting

2 tools, where the bytes are served from

Application

2 tools, what the product is built with

Go-to-market

3 tools, how they find and keep customers

Willis Group tech stack FAQ

What tools does Willis Group use?

We've found 23 tools at Willis Group (willistowerswatson.com). Edge & Hosting: Vercel and Microsoft Azure. Application: Anthropic and OpenAI. Go-to-market: HubSpot and Pardot. Company Ops: Microsoft 365, Apple Business and GlobalSign. Last checked October 2, 2026.

What cloud does Willis Group run on?

Willis Group uses Vercel and Microsoft Azure for hosting. We found Vercel through custom domain, DNS verification records and website code.

What CRM does Willis Group use?

Willis Group uses HubSpot for sales and CRM. We found HubSpot through email records.

What email provider does Willis Group use?

Willis Group uses Microsoft 365 and Apple Business for email and documents. We found Microsoft 365 through email records and DNS verification records.

What marketing software does Willis Group use?

Willis Group uses Pardot for marketing. We found Pardot through DNS verification records.

Does Willis Group use Microsoft 365?

Yes. We found Microsoft 365 at Willis Group through email records and DNS verification records. Microsoft 365 is used by 245,233 companies we track.

How does runsonwhat know what Willis Group uses?

We read public traces only: Willis Group's DNS and email records, certificate logs, the code its website loads, and published subprocessor lists. A tool is listed only when a direct record backs it up. DNS is rechecked weekly and the website monthly.

We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.