runsonwhat

CSL's tech stack

What does CSL use?

CSL (csldual.com) uses at least 14 tools we can see from public records, including Microsoft Azure for hosting, Microsoft 365 for email and documents, Salesforce for sales and Google Tag Manager for analytics. Last checked .

Based in
United Kingdom
Founded
1996
LinkedIn
Company page
Re-check liveVisit csldual.com
Tools found
14
Categories
9
Layers
5 of 5
Last checked
Oct 2026

CSL'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

1 tool, where the bytes are served from

Hosting & Cloud

Application

3 tools, what the product is built with

Frontend

Media & UI

Data & Observability

2 tools, what they measure and store

Analytics

Go-to-market

6 tools, how they find and keep customers

Website & CMS

Marketing

Sales & CRM

Company Ops

2 tools, what the team runs on day to day

Workspace

Security & Compliance

Companies like CSL also use

Tools common among companies with a similar stack that we haven't found at CSL.

Companies with a stack like CSL's

Ranked by shared tools, with rare tools counting more.

CSL tech stack FAQ

What tools does CSL use?

As of October 2026, runsonwhat has found 14 tools at CSL (csldual.com) in public records. Edge & Hosting: Microsoft Azure. Application: jQuery, Google Fonts and YouTube. Data & Observability: Google Tag Manager and Hotjar. Go-to-market: WordPress, Yoast SEO and Salesforce. Company Ops: Microsoft 365 and CookieYes. Last checked October 10, 2026.

What cloud does CSL run on?

CSL uses Microsoft Azure for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Microsoft Azure through Microsoft Azure code on csldual.com. Microsoft Azure is used by 44,907 companies runsonwhat tracks.

What CRM does CSL use?

CSL uses Salesforce for its CRM, alongside Lead Forensics, according to runsonwhat (October 2026). runsonwhat found Salesforce through email records that authorize Salesforce and code on csldual.com. Salesforce is used by 33,233 companies runsonwhat tracks.

What email provider does CSL use?

CSL uses Microsoft 365 for email and office software, 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 698,171 companies runsonwhat tracks.

What analytics tools does CSL use?

CSL uses Google Tag Manager for analytics, alongside Hotjar, according to runsonwhat (October 2026). runsonwhat found Google Tag Manager through Google Tag Manager code on csldual.com. Google Tag Manager is used by 485,582 companies runsonwhat tracks.

What is CSL's website built with?

CSL uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on csldual.com. WordPress is used by 579,837 companies runsonwhat tracks.

Does CSL use jQuery?

Yes. runsonwhat found jQuery at CSL through jQuery code on csldual.com. jQuery is a Frontend tool used by 893,968 companies runsonwhat tracks.

Which companies have a tech stack similar to CSL's?

The companies with the stacks most like CSL's are Cyber-Duck, Eurostop, gChem and GL Assessment, according to runsonwhat (October 2026). Each shares 6 to 8 tools with CSL, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what CSL uses?

runsonwhat reads public records only. Of the 14 tools at CSL, 11 were found through code on csldual.com, 2 through email records and 1 through DNS records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and csldual.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.