Technologies / 3CX / Microsoft
Companies using 3CX and Microsoft
3 companies in our data have public evidence for both 3CX and Microsoft, and 3 name both in their own subprocessor list. Each company below links to the source for every claim. Our coverage is partial, so this is not everyone.
The companies
Strongest evidence first: a company naming both in its own subprocessor list comes before one seen on its website or in job postings.
Subprocessor listPrivacy policyWebsiteJob postings
| Company | 3CX | Microsoft |
|---|---|---|
The two technologies
3CX
Email and communications50% of the 6 companies we see using 3CX also show the other.
All 6 companies using 3CX6 name it as a subprocessorMore in Email and communications
Microsoft
ProductivityMicrosoft is a company whose stated mission is to empower every person and every organization on the planet to achieve more. It offers products and services including Microsoft 365, Azure, Copilot, Windows, Surface, and XBOX.
Summarized from microsoft.com on 8 Nov 2026.
under 1% of the 1,438 companies we see using Microsoft also show the other.
All 1,438 companies using Microsoft889 name it as a subprocessorMore in Productivity
Other pairs
Companies with their own evidence for both.
Questions
How many companies use both 3CX and Microsoft?
3 companies in StrataDB's data have public evidence for both, and 3 of them name both in their own subprocessor list, the strongest evidence we hold. Our coverage is partial, so the real number is higher.
Which companies use 3CX and Microsoft?
1Stream, Assent and Cordatus. Each one links to the evidence behind it.
How does StrataDB know a company uses 3CX and Microsoft?
From four kinds of public evidence: subprocessor lists, privacy policies, website code and job postings. Each is kept apart with its source and the date we saw it. A company missing here means we found no evidence, not that it does not use them.
Find every company using 3CX and Microsoft
See the full list with the source for each company, and run the same lookup for any technology from the API, Claude or your browser.
- Every company and vendor, with its public source
- 100 API calls a month, plus MCP and the Chrome extension
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