E.ON's tech stack
What does E.ON use?
E.ON (eon.cz) uses at least 23 tools we can see from public records, including Microsoft Azure for hosting, Microsoft 365 for email and documents, Google Analytics for analytics and Mailchimp for marketing. Last checked .
- Industry
- Energy
- Size
- 51–200 employees
- Based in
- Czechia
- Founded
- 2004
- Company page
- Tools found
- 23
- Categories
- 11
- Layers
- 5 of 5
- Last checked
- Oct 2026
E.ON'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
3 tools, where the bytes are served from
Hosting & Cloud
CDN & Edge
Application
1 tool, what the product is built with
Auth & Identity
Data & Observability
4 tools, what they measure and store
Go-to-market
8 tools, how they find and keep customers
Company Ops
7 tools, what the team runs on day to day
Email Delivery
Workspace
Dev Tools
Finance & Legal
Security & Compliance
Companies like E.ON also use
Tools common among companies with a similar stack that we haven't found at E.ON.
Companies with a stack like E.ON's
Ranked by shared tools, with rare tools counting more.
E.DISEnergy · 1,001–5,000 people10in common
EG.D HoldingEnergy · 1–10 people8in common
LEW Wasserkraft GmbHUtilities · 1,001–5,000 people16in common
E.ON PolskaOil & Gas · 1,001–5,000 people14in common
Süwag Vertrieb AG & Co. KgUtilities · 201–1,000 people12in common
EssentUtilities · 1,001–5,000 people10in common
AvaconUtilities · 1,001–5,000 people11in common
Bayernwerkbayernwerk.de12in common
More Energy companies
Other Energy companies we've checked.
E.ON tech stack FAQ
What tools does E.ON use?
As of October 2026, runsonwhat has found 23 tools at E.ON (eon.cz) in public records. Edge & Hosting: Cloudflare, Microsoft Azure and IBM Cloud. Application: Auth0. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Microsoft 365, Atlassian and Mailchimp Transactional. Last checked October 20, 2026.
What cloud does E.ON run on?
E.ON uses Microsoft Azure for hosting and cloud infrastructure, alongside IBM Cloud, according to runsonwhat (October 2026). runsonwhat found Microsoft Azure through a subdomain that points at Microsoft Azure and code on eon.cz. Microsoft Azure is used by 46,525 companies runsonwhat tracks.
What email provider does E.ON use?
E.ON 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 709,011 companies runsonwhat tracks.
What analytics tools does E.ON use?
E.ON uses Google Analytics for analytics, alongside Google Tag Manager, Microsoft Clarity and Smartlook, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on eon.cz. Google Analytics is used by 872,933 companies runsonwhat tracks.
What marketing software does E.ON use?
E.ON uses Mailchimp for marketing, according to runsonwhat (October 2026). runsonwhat found Mailchimp through email records that authorize Mailchimp. Mailchimp is used by 114,603 companies runsonwhat tracks.
What does E.ON use for login and identity?
E.ON uses Auth0 for sign-in and identity, according to runsonwhat (October 2026). runsonwhat found Auth0 through a subdomain that points at Auth0. Auth0 is used by 5,634 companies runsonwhat tracks.
Does E.ON use Cloudflare?
Yes. runsonwhat found Cloudflare at E.ON through a DNS verification record for Cloudflare. Cloudflare is a CDN & Edge tool used by 700,616 companies runsonwhat tracks.
Which companies have a tech stack similar to E.ON's?
The companies with the stacks most like E.ON's are E.DIS, EG.D Holding, LEW Wasserkraft and E.ON Polska, according to runsonwhat (October 2026). Each shares 8 to 16 tools with E.ON, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what E.ON uses?
runsonwhat reads public records only. Of the 23 tools at E.ON, 11 were found through code on eon.cz, 7 through DNS records, 3 through email records and 2 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and eon.cz 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.