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Technologies / 3CX / Microsoft 365

Companies using 3CX and Microsoft 365

4 companies in our data have public evidence for both 3CX and Microsoft 365, and 1 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.

4companies use both
67%of 3CX users
under 1%of Microsoft 365 users
1name both as subprocessors

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

Company3CXMicrosoft 365
System Force ITsystemforce.co.ukSystem Force IT provides managed IT support, cyber security, cloud, connectivity and telephony services to businesses.Cloud and infrastructureCybersecurity
1Stream1stream.com1Stream provides an AI-integrated communications platform that combines voice, messaging, and video with AI agents and integrations to PSA and IT tools.CommunicationsCustomer support
Cordatuscordatusrg.comCordatus provides strategy, technology, and managed services that redesign and automate business operations across functions such as finance, IT, marketing, and people operations.Consulting and services
JEKA Softwarejekasoftware.comMyWatchtower is a cloud-native access and visitor management platform that processes plates, passes, and call box requests and records each entry.Identity and access

The two technologies

3CX

Email and communications

67% 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 365

by Microsoft · Productivity

Microsoft 365 is a plan that includes productivity apps with Copilot, advanced AI features and cloud storage. It is used for productivity and AI-assisted work.

Summarized from microsoft.com on 8 Nov 2026.

under 1% of the 3,818 companies we see using Microsoft 365 also show the other.

All 3,818 companies using Microsoft 365120 name it as a subprocessorMore in Productivity

Other pairs

Companies with their own evidence for both.

More with 3CX

Cloudflare6companies

More with Microsoft 365

Cloudflare3,820companiesGoogle Tag Manager1,886companiesGoogle Analytics1,306companiesWordPress1,224companiesHubSpot837companiesAmazon Web Services706companies

Questions

How many companies use both 3CX and Microsoft 365?

4 companies in StrataDB's data have public evidence for both, and 1 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 365?

System Force IT, 1Stream, Cordatus and JEKA Software. Each one links to the evidence behind it.

How does StrataDB know a company uses 3CX and Microsoft 365?

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 365

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
  • Work email only. No card, no sales call