Klarx's tech stack
What does Klarx use?
Klarx (klarx.de) uses at least 21 tools we can see from public records, including HubSpot for sales, HubSpot CMS for its website, Let's Encrypt for security and Microsoft 365 for email and documents. Last checked .
- Industry
- Construction
- Size
- 51–200 employees
- Based in
- München, Germany
- Founded
- 2015
- Company page
- Tools found
- 21
- Categories
- 10
- Layers
- 5 of 5
- Last checked
- Nov 2026
Klarx's stack, layer by layer
Of 21 tools, 10 came from website code, 5 from DNS records, 3 from DNS verification records and 3 from other records. 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
CDN & Edge
Application
3 tools, what the product is built with
Frontend
Media & UI
Data & Observability
2 tools, what they measure and store
Go-to-market
8 tools, how they find and keep customers
Website & CMS
Marketing
Sales & CRM
Company Ops
7 tools, what the team runs on day to day
Security & Compliance
Klarx tech stack FAQ
What tools does Klarx use?
As of November 2026, runsonwhat has found 21 tools at Klarx (klarx.de) in public records. Edge & Hosting: Cloudflare. Application: YouTube, Tailwind CSS and Astro. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: Google Ads, Meta Pixel and LinkedIn Insight Tag. Company Ops: Microsoft 365, Google Workspace and Apple Business. Last checked November 4, 2026.
What CRM does Klarx use?
Klarx uses HubSpot for its CRM, alongside Dealfront, according to runsonwhat (November 2026). runsonwhat found HubSpot through a subdomain that points at HubSpot and code on klarx.de. HubSpot is used by 97,446 companies runsonwhat tracks.
What email provider does Klarx use?
Klarx uses Microsoft 365 for email and office software, alongside Google Workspace and Apple Business, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 732,372 companies runsonwhat tracks.
What analytics tools does Klarx use?
Klarx uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on klarx.de. Google Analytics is used by 903,825 companies runsonwhat tracks.
What is Klarx's website built with?
Klarx uses HubSpot CMS for its website, according to runsonwhat (November 2026). runsonwhat found HubSpot CMS through a subdomain that points at HubSpot CMS. HubSpot CMS is used by 34,447 companies runsonwhat tracks.
Does Klarx use Cloudflare?
Yes. runsonwhat found Cloudflare at Klarx through DNS records that point at Cloudflare and code on klarx.de. Cloudflare is a CDN & Edge tool used by 732,238 companies runsonwhat tracks.
How does runsonwhat know what Klarx uses?
runsonwhat reads public records only. Of the 21 tools at Klarx, 10 were found through code on klarx.de, 8 through DNS records, 2 through subdomains that point at the vendor and 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and klarx.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.