runsonwhat

Clar System's tech stack

What does Clar System use?

Clar System (clarsystem.pl) uses at least 16 tools we can see from public records, including Microsoft 365 for email and documents, D&B Visitor Intelligence for sales, Google Analytics for analytics and WordPress for its website. Last checked .

Industry
Facilities Services
Size
5,001–10,000 employees
Based in
Poznań, Poland
Founded
1999
LinkedIn
Company page
Re-check liveVisit clarsystem.pl
Tools found
16
Categories
10
Layers
4 of 5
Last checked
Oct 2026

Clar System'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.

Application

6 tools, what the product is built with

Frontend

AI

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

Ads & Pixels

Sales & CRM

Company Ops

2 tools, what the team runs on day to day

Workspace

Security & Compliance

Companies like Clar System also use

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

Companies with a stack like Clar System's

Ranked by shared tools, with rare tools counting more.

More Facilities Services companies

Other Facilities Services companies we've checked.

Clar System tech stack FAQ

What tools does Clar System use?

As of October 2026, runsonwhat has found 16 tools at Clar System (clarsystem.pl) in public records. Application: jQuery, Google Fonts and Font Awesome. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: WordPress, Meta Pixel and Yoast SEO. Company Ops: Microsoft 365 and reCAPTCHA. Last checked October 18, 2026.

What sales tools does Clar System use?

The sales tools runsonwhat has found at Clar System are D&B Visitor Intelligence (October 2026); no CRM shows up in Clar System's public records. runsonwhat found D&B Visitor Intelligence through D&B Visitor Intelligence code on clarsystem.pl. D&B Visitor Intelligence is used by 353 companies runsonwhat tracks.

What email provider does Clar System use?

Clar System 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 701,710 companies runsonwhat tracks.

What analytics tools does Clar System use?

Clar System uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on clarsystem.pl. Google Analytics is used by 853,379 companies runsonwhat tracks.

What is Clar System's website built with?

Clar System uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on clarsystem.pl. WordPress is used by 582,767 companies runsonwhat tracks.

Does Clar System use jQuery?

Yes. runsonwhat found jQuery at Clar System through jQuery code on clarsystem.pl. jQuery is a Frontend tool used by 897,845 companies runsonwhat tracks.

Which companies have a tech stack similar to Clar System's?

The companies with the stacks most like Clar System's are Davey Tree Expert Company, Cdw•g, Thumbtack and Magnit, according to runsonwhat (October 2026). Each shares 6 to 9 tools with Clar System, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what Clar System uses?

runsonwhat reads public records only. Of the 16 tools at Clar System, 14 were found through code on clarsystem.pl, 1 through DNS records and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and clarsystem.pl 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.