First Underwriting Ltd.'s tech stack
What does First Underwriting Ltd. use?
First Underwriting Ltd. (firstuw.com) uses at least 16 tools we can see from public records, including WP Engine for hosting, Microsoft 365 for email and documents, Calendly for sales and Microsoft Clarity for analytics. Last checked .
- Industry
- Insurance
- Size
- 51–200 employees
- Based in
- London, United Kingdom
- Founded
- 2018
- Company page
- Tools found
- 16
- Categories
- 12
- Layers
- 5 of 5
- Last checked
- Oct 2026
First Underwriting Ltd.'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
Hosting & Cloud
CDN & Edge
Application
2 tools, what the product is built with
Frontend
Media & UI
Data & Observability
1 tool, what they measure and store
Analytics
Go-to-market
5 tools, how they find and keep customers
Website & CMS
Marketing
Ads & Pixels
Sales & CRM
Company Ops
6 tools, what the team runs on day to day
Email Delivery
Workspace
Security & Compliance
First Underwriting Ltd. tech stack FAQ
What tools does First Underwriting use?
As of October 2026, runsonwhat has found 16 tools at First Underwriting (firstuw.com) in public records. Edge & Hosting: Cloudflare and WP Engine. Application: jQuery and Adobe Fonts. Data & Observability: Microsoft Clarity. Go-to-market: WordPress, Yoast SEO and Microsoft Ads. Company Ops: Microsoft 365, reCAPTCHA and SendGrid. Last checked October 7, 2026.
What cloud does First Underwriting run on?
First Underwriting uses WP Engine for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found WP Engine through WP Engine code on firstuw.com. WP Engine is used by 48,864 companies runsonwhat tracks.
What sales tools does First Underwriting use?
The sales tools runsonwhat has found at First Underwriting are Calendly (October 2026); no CRM shows up in First Underwriting's public records. runsonwhat found Calendly through Calendly code on firstuw.com. Calendly is used by 22,021 companies runsonwhat tracks.
What email provider does First Underwriting use?
First Underwriting uses Microsoft 365 for email and office software, alongside Exclaimer, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 694,521 companies runsonwhat tracks.
What analytics tools does First Underwriting use?
First Underwriting uses Microsoft Clarity for analytics, according to runsonwhat (October 2026). runsonwhat found Microsoft Clarity through Microsoft Clarity code on firstuw.com. Microsoft Clarity is used by 121,200 companies runsonwhat tracks.
What is First Underwriting's website built with?
First Underwriting uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on firstuw.com. WordPress is used by 548,699 companies runsonwhat tracks.
Does First Underwriting use jQuery?
Yes. runsonwhat found jQuery at First Underwriting through jQuery code on firstuw.com. jQuery is a Frontend tool used by 855,093 companies runsonwhat tracks.
How does runsonwhat know what First Underwriting uses?
runsonwhat reads public records only. Of the 16 tools at First Underwriting, 10 were found through code on firstuw.com, 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 firstuw.com about 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.