e3 Systems's tech stack
What does e3 Systems use?
e3 Systems (e3s.com) uses at least 12 tools we can see from public records, including Microsoft 365 for email and documents, Google Analytics for analytics, Stripe for payments and WordPress for its website. Last checked .
- Industry
- Telecommunications
- Size
- 51–200 employees
- Based in
- Portals Nous, Spain
- Founded
- 1996
- Company page
- Tools found
- 12
- Categories
- 8
- Layers
- 4 of 5
- Last checked
- Oct 2026
e3 Systems'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
2 tools, what the product is built with
Frontend
Payments & Billing
Data & Observability
1 tool, what they measure and store
Analytics
Go-to-market
4 tools, how they find and keep customers
Website & CMS
Company Ops
5 tools, what the team runs on day to day
Email Delivery
Workspace
Security & Compliance
e3 Systems tech stack FAQ
What tools does e3 Systems use?
As of October 2026, runsonwhat has found 12 tools at e3 Systems (e3s.com) in public records. Application: jQuery and Stripe. Data & Observability: Google Analytics. Go-to-market: WordPress, Yoast SEO and Mailchimp. Company Ops: Microsoft 365, reCAPTCHA and SendGrid. Last checked October 7, 2026.
What email provider does e3 Systems use?
e3 Systems 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 700,620 companies runsonwhat tracks.
What payment provider does e3 Systems use?
e3 Systems uses Stripe for payments and billing, according to runsonwhat (October 2026). runsonwhat found Stripe through a DNS verification record for Stripe and code on e3s.com. Stripe is used by 26,187 companies runsonwhat tracks.
What analytics tools does e3 Systems use?
e3 Systems uses Google Analytics for analytics, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on e3s.com. Google Analytics is used by 850,437 companies runsonwhat tracks.
What is e3 Systems's website built with?
e3 Systems uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on e3s.com. WordPress is used by 581,304 companies runsonwhat tracks.
What marketing software does e3 Systems use?
e3 Systems uses Mailchimp for marketing, according to runsonwhat (October 2026). runsonwhat found Mailchimp through email records that authorize Mailchimp. Mailchimp is used by 113,072 companies runsonwhat tracks.
Does e3 Systems use jQuery?
Yes. runsonwhat found jQuery at e3 Systems through jQuery code on e3s.com. jQuery is a Frontend tool used by 895,868 companies runsonwhat tracks.
How does runsonwhat know what e3 Systems uses?
runsonwhat reads public records only. Of the 12 tools at e3 Systems, 7 were found through code on e3s.com, 3 through DNS records and 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and e3s.com 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.