runsonwhat

Klarrio's tech stack

What does Klarrio use?

Klarrio (klarrio.com) uses at least 13 tools we can see from public records, including Google Workspace for email and documents, WordPress for its website and LinkedIn for marketing. Last checked .

Industry
IT Services
Size
51–200 employees
Based in
Antwerp, Belgium
Founded
2016
LinkedIn
Company page
Tools found
13
Categories
8
Layers
4 of 5
Changes seen
1

Klarrio'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

Application

4 tools, what the product is built with

Go-to-market

5 tools, how they find and keep customers

Company Ops

3 tools, what the team runs on day to day

What changed at Klarrio

Recent starts and stops

  1. StoppedMailchimp

Klarrio tech stack FAQ

What tools does Klarrio use?

As of October 2026, runsonwhat has found 13 tools at Klarrio (klarrio.com) in public records. Edge & Hosting: Amazon Route 53. Application: jQuery, Google Fonts and Font Awesome. Go-to-market: WordPress, Meta Pixel and Yoast SEO. Company Ops: Google Workspace, Apple Business and Atlassian. Last checked October 16, 2026.

What email provider does Klarrio use?

Klarrio uses Google Workspace for email and office software, alongside Apple Business, according to runsonwhat (October 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace. Google Workspace is used by 401,469 companies runsonwhat tracks.

What is Klarrio's website built with?

Klarrio uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on klarrio.com. WordPress is used by 592,420 companies runsonwhat tracks.

What marketing software does Klarrio use?

Klarrio uses LinkedIn for marketing, according to runsonwhat (October 2026). runsonwhat found LinkedIn through a DNS verification record for LinkedIn. LinkedIn is used by 14,847 companies runsonwhat tracks.

Does Klarrio use jQuery?

Yes. runsonwhat found jQuery at Klarrio through jQuery code on klarrio.com. jQuery is a Frontend tool used by 910,315 companies runsonwhat tracks.

Has Klarrio changed tools recently?

Yes. On runsonwhat's rechecks, Klarrio stopped using Mailchimp (latest on October 16, 2026). A change counts only between two checks of klarrio.com done the same way.

How does runsonwhat know what Klarrio uses?

runsonwhat reads public records only. Of the 13 tools at Klarrio, 6 were found through code on klarrio.com, 6 through DNS records and 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and klarrio.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.