runsonwhat

Amphos 21's tech stack

What does Amphos 21 use?

Amphos 21 (amphos21.com) uses at least 6 tools we can see from public records, including Microsoft 365 for email and documents, Cloudflare for content delivery and Sophos for security. Last checked .

Industry
Environmental Services
Size
201–1,000 employees
Based in
Barcelona, Spain
Founded
1994
LinkedIn
Company page
Tools found
6
Categories
4
Layers
2 of 5
Changes seen
1

Amphos 21'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

Company Ops

5 tools, what the team runs on day to day

What changed at Amphos 21

Recent starts and stops

  1. StoppedMicrosoft Entra ID

Amphos 21 tech stack FAQ

What tools does Amphos 21 use?

As of October 2026, runsonwhat has found 6 tools at Amphos 21 (amphos21.com) in public records. Edge & Hosting: Cloudflare. Company Ops: Microsoft 365, Google Workspace and Apple Business. Last checked October 10, 2026.

What email provider does Amphos 21 use?

Amphos 21 uses Microsoft 365 for email and office software, alongside Google Workspace and Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365. Microsoft 365 is used by 700,560 companies runsonwhat tracks.

Does Amphos 21 use Cloudflare?

Yes. runsonwhat found Cloudflare at Amphos 21 through DNS records that point at Cloudflare and code on amphos21.com. Cloudflare is a CDN & Edge tool used by 691,358 companies runsonwhat tracks.

Has Amphos 21 changed tools recently?

Yes. On runsonwhat's rechecks, Amphos 21 stopped using Microsoft Entra ID (latest on October 10, 2026). A change counts only between two checks of amphos21.com done the same way.

Which companies have a tech stack similar to Amphos 21's?

The companies with the stacks most like Amphos 21's are REN, PARI (Germany), UniSociesc and Studiosus Reisen München, according to runsonwhat (October 2026). Each shares 2 to 3 tools with Amphos 21, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what Amphos 21 uses?

runsonwhat reads public records only. Of the 6 tools at Amphos 21, 5 were found through DNS records, 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and amphos21.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.