runsonwhat

DEW21's tech stack

What does DEW21 use?

DEW21 (dew21.de) uses at least 16 tools we can see from public records, including Microsoft 365 for email and documents, WhatsApp Business for customer support, Google Analytics for analytics and Amazon SES for email delivery. Last checked .

Industry
Energy
Based in
Germany
Founded
1995
Re-check liveVisit dew21.de
Tools found
16
Categories
9
Layers
4 of 5
Last checked
Oct 2026

DEW21'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

3 tools, what the product is built with

Media & UI

Data & Observability

1 tool, what they measure and store

Analytics

Go-to-market

5 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

Dev Tools

Security & Compliance

Companies like DEW21 also use

Tools common among companies with a similar stack that we haven't found at DEW21.

Companies with a stack like DEW21's

Ranked by shared tools, with rare tools counting more.

More Energy companies

Other Energy companies we've checked.

DEW21 tech stack FAQ

What tools does DEW21 use?

We've found 16 tools at DEW21 (dew21.de). Application: Vimeo, YouTube and Google Maps. Data & Observability: Google Analytics. Go-to-market: Meta Pixel, Google Ads and Microsoft Ads. Company Ops: Microsoft 365, Apple Business and Atlassian. Last checked October 2, 2026.

What email provider does DEW21 use?

DEW21 uses Microsoft 365 and Apple Business for email and documents. We found Microsoft 365 through email records.

What does DEW21 use for customer support?

DEW21 uses WhatsApp Business for customer support. We found WhatsApp Business through website code.

What analytics tools does DEW21 use?

DEW21 uses Google Analytics for analytics. We found Google Analytics through website code.

Does DEW21 use Microsoft 365?

Yes. We found Microsoft 365 at DEW21 through email records. Microsoft 365 is used by 245,233 companies we track.

How does runsonwhat know what DEW21 uses?

We read public traces only: DEW21'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.