runsonwhat

https://www.hark.de/'s tech stack

What does https://www.hark.de/ use?

https://www.hark.de/ (hark.de) uses at least 21 tools we can see from public records, including Microsoft 365 for email and documents, WhatsApp Business for customer support, Google Analytics for analytics and Brevo for marketing. Last checked .

Industry
Construction
Size
201–1,000 employees
Based in
Duisburg, Germany
Founded
1971
LinkedIn
Company page
Re-check liveVisit hark.de
Tools found
21
Categories
10
Layers
5 of 5
Last checked
Oct 2026

https://www.hark.de/'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

CDN & Edge

Application

1 tool, what the product is built with

Frontend

Data & Observability

3 tools, what they measure and store

Analytics

Go-to-market

8 tools, how they find and keep customers

Marketing

Ads & Pixels

Support & Docs

Company Ops

7 tools, what the team runs on day to day

Email Delivery

Workspace

People & HR

Security & Compliance

Companies like https://www.hark.de/ also use

Tools common among companies with a similar stack that we haven't found at https://www.hark.de/.

Companies with a stack like https://www.hark.de/'s

Ranked by shared tools, with rare tools counting more.

More Construction companies

Other Construction companies we've checked.

https://www.hark.de/ tech stack FAQ

What tools does https://www.hark.de/ use?

As of October 2026, runsonwhat has found 21 tools at https://www.hark.de/ (hark.de) in public records. Edge & Hosting: Bunny.net and smoxy. Application: jQuery. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, Meta Pixel and WhatsApp Business. Company Ops: Microsoft 365, SendGrid and GlobalSign. Last checked October 10, 2026.

What email provider does https://www.hark.de/ use?

https://www.hark.de/ uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and a DNS verification record. Microsoft 365 is used by 701,710 companies runsonwhat tracks.

What does https://www.hark.de/ use for customer support?

https://www.hark.de/ uses WhatsApp Business for customer support and documentation, alongside Userlike, according to runsonwhat (October 2026). runsonwhat found WhatsApp Business through WhatsApp Business code on hark.de. WhatsApp Business is used by 132,872 companies runsonwhat tracks.

What analytics tools does https://www.hark.de/ use?

https://www.hark.de/ uses Google Analytics for analytics, alongside Google Tag Manager and Microsoft Clarity, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on hark.de. Google Analytics is used by 853,379 companies runsonwhat tracks.

What marketing software does https://www.hark.de/ use?

https://www.hark.de/ uses Brevo for marketing, alongside Trusted Shops, according to runsonwhat (October 2026). runsonwhat found Brevo through a DNS verification record for Brevo and email records. Brevo is used by 78,303 companies runsonwhat tracks.

What does https://www.hark.de/ use for hiring and HR?

https://www.hark.de/ uses rexx systems for hiring and HR, according to runsonwhat (October 2026). runsonwhat found rexx systems through email records that authorize rexx systems. rexx systems is used by 627 companies runsonwhat tracks.

Does https://www.hark.de/ use jQuery?

Yes. runsonwhat found jQuery at https://www.hark.de/ through jQuery code on hark.de. jQuery is a Frontend tool used by 897,845 companies runsonwhat tracks.

Which companies have a tech stack similar to https://www.hark.de/'s?

The companies with the stacks most like https://www.hark.de/'s are Carl Knauber Holding GmbH & Co. KG, TransPak, Johannes GERSTAECKER Verlag and FNZ Bank, according to runsonwhat (October 2026). Each shares 8 to 13 tools with https://www.hark.de/, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what https://www.hark.de/ uses?

runsonwhat reads public records only. Of the 21 tools at https://www.hark.de/, 14 were found through code on hark.de, 4 through email records, 2 through DNS records and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and hark.de 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.