Gelsenwasser's tech stack
What does Gelsenwasser use?
Gelsenwasser (gelsenwasser.de) uses at least 6 tools we can see from public records, including Microsoft 365 for email and documents, Google Tag Manager for analytics, Yoast SEO for its website and Eye-Able for security. Last checked .
- Industry
- Water Collection, Treatment and Supply
- Size
- 1,001–5,000 employees
- Based in
- Gelsenkirchen, Germany
- Founded
- 1887
- Company page
- Tools found
- 6
- Categories
- 5
- Layers
- 3 of 5
- Last checked
- Oct 2026
Gelsenwasser'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.
Data & Observability
1 tool, what they measure and store
Analytics
Go-to-market
2 tools, how they find and keep customers
Website & CMS
Ads & Pixels
Company Ops
3 tools, what the team runs on day to day
Workspace
Security & Compliance
Gelsenwasser tech stack FAQ
What tools does Gelsenwasser use?
We've found 6 tools at Gelsenwasser (gelsenwasser.de). Data & Observability: Google Tag Manager. Go-to-market: Meta Pixel and Yoast SEO. Company Ops: Microsoft 365, Apple Business and Eye-Able. Last checked October 4, 2026.
What email provider does Gelsenwasser use?
Gelsenwasser uses Microsoft 365 and Apple Business for email and documents. We found Microsoft 365 through DNS verification records and email records.
What analytics tools does Gelsenwasser use?
Gelsenwasser uses Google Tag Manager for analytics. We found Google Tag Manager through website code.
What CMS does Gelsenwasser use?
Gelsenwasser uses Yoast SEO for its website. We found Yoast SEO through website code.
Does Gelsenwasser use Microsoft 365?
Yes. We found Microsoft 365 at Gelsenwasser through DNS verification records and email records. Microsoft 365 is used by 245,233 companies we track.
How does runsonwhat know what Gelsenwasser uses?
We read public traces only: Gelsenwasser's DNS and email records, certificate logs, the code its website loads, and published subprocessor lists. A tool is listed only when a direct record backs it up. DNS is rechecked weekly and the website 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.