# What does CSL use?

CSL (csldual.com) shows public evidence of 14 tools, according to runsonwhat (last checked 2026-10-20).

- Based in: United Kingdom
- Founded: 1996
- LinkedIn: https://www.linkedin.com/company/csl-group-live

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft Azure](https://www.runsonwhat.com/reverse/azure) | 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 |  |
| [YouTube](https://www.runsonwhat.com/reverse/youtube) | Media & UI | Website code |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Tag Manager](https://www.runsonwhat.com/reverse/gtm) | Analytics | Website code |  |
| [Hotjar](https://www.runsonwhat.com/reverse/hotjar) | Analytics | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [WordPress](https://www.runsonwhat.com/reverse/wordpress) | Website & CMS | Website code |  |
| [Yoast SEO](https://www.runsonwhat.com/reverse/yoast) | Website & CMS | Website code |  |
| [Salesforce](https://www.runsonwhat.com/reverse/salesforce) | Sales & CRM | Email records, Website code |  |
| [Pardot](https://www.runsonwhat.com/reverse/pardot) | Marketing | Email records, Website code |  |
| [Lead Forensics](https://www.runsonwhat.com/reverse/lead-forensics) | Sales & CRM | Website code |  |

## Company Ops

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

## 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 20, 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 46,946 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 34,164 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 712,531 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 504,375 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 598,846 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 918,063 companies runsonwhat tracks.

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

The companies with the stacks most like CSL's are DevHub, DSA Connect, FIT Technologies and SJG International, according to runsonwhat (October 2026). Each shares 4 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.


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Source: runsonwhat, https://www.runsonwhat.com/company/csldual.com (updated October 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.