3E's tech stack
What does 3E use?
3E (3e.eu) uses at least 21 tools we can see from public records, including Microsoft 365 for email and documents, HubSpot for sales, Google Analytics for analytics and Webflow for its website. Last checked .
“Discover 3E's SaaS solutions and expert advisory services for optimising renewable energy asset development and operations globally”
- Size
- 51–200 employees
- Based in
- Brussels, Belgium
- Founded
- 1999
- Company page
- Tools found
- 21
- Categories
- 14
- Layers
- 5 of 5
- Last checked
- Oct 2026
3E'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
1 tool, where the bytes are served from
CDN & Edge
Application
4 tools, what the product is built with
Frontend
Auth & Identity
Media & UI
Data & Observability
4 tools, what they measure and store
Go-to-market
6 tools, how they find and keep customers
Website & CMS
Ads & Pixels
Sales & CRM
Company Ops
6 tools, what the team runs on day to day
Email Delivery
Workspace
Dev Tools
Security & Compliance
3E tech stack FAQ
What tools does 3E use?
As of October 2026, runsonwhat has found 21 tools at 3E (3e.eu) in public records. Edge & Hosting: Cloudflare. Application: jQuery, Google Fonts and Anthropic. Data & Observability: Google Analytics, Google Tag Manager and Hotjar. Go-to-market: Google Ads, LinkedIn Insight Tag and Mailchimp. Company Ops: Microsoft 365, Atlassian and Valimail. Last checked October 20, 2026.
What CRM does 3E use?
3E uses HubSpot for its CRM, according to runsonwhat (October 2026). runsonwhat found HubSpot through email records that authorize HubSpot and code on 3e.eu. HubSpot is used by 92,987 companies runsonwhat tracks.
What email provider does 3E use?
3E uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 706,390 companies runsonwhat tracks.
What analytics tools does 3E use?
3E uses Google Analytics for analytics, alongside Google Tag Manager, Hotjar and Simple Analytics, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on 3e.eu. Google Analytics is used by 864,154 companies runsonwhat tracks.
What is 3E's website built with?
3E uses Webflow for its website, according to runsonwhat (October 2026). runsonwhat found Webflow through a subdomain that points at Webflow and code on 3e.eu. Webflow is used by 34,562 companies runsonwhat tracks.
What marketing software does 3E use?
3E uses Mailchimp for marketing, according to runsonwhat (October 2026). runsonwhat found Mailchimp through email records that authorize Mailchimp. Mailchimp is used by 113,930 companies runsonwhat tracks.
Does 3E use jQuery?
Yes. runsonwhat found jQuery at 3E through jQuery code on 3e.eu. jQuery is a Frontend tool used by 905,671 companies runsonwhat tracks.
Does 3E use AI tools?
Yes. runsonwhat has found Anthropic at 3E; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so 3E may use more AI tools than these.
Which companies have a tech stack similar to 3E's?
The companies with the stacks most like 3E's are Everfox, Sonus Faber, Parity Technologies and Invest International, according to runsonwhat (October 2026). Each shares 7 to 8 tools with 3E, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what 3E uses?
runsonwhat reads public records only. Of the 21 tools at 3E, 10 were found through code on 3e.eu, 5 through email records, 4 through DNS 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 3e.eu 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.