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Companies using Microsoft Teams Calling

As of 14 October 2026, Firmable tracks 5 companies across 8 countries running Microsoft Teams Calling. See who they are, and who to call.

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Companies using Microsoft Teams Calling

Showing 3 of 5 companies

TM Forum

tmforum.org · Telecommunications services · 251–500 employees · 2 web properties observed

Last seen 11 Oct 2026 The most recent date Firmable detected Microsoft Teams Calling at this company.

Decision makers · 33 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

EVP Trustworthy AI & Data MobileEmail
Distinguished Fellow MobileEmail

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Signals Recent events at this company, such as a leadership change, funding or a new office.

TM Forum Ltd aims to develop a certification programme for trustworthy telco AI · 7 Oct 2026

TM Forum is hosting a webinar on October 15 discussing AI in telecom billing and monetization. · 12 Oct 2026

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Mereo BioPharma

mereobiopharma.com · Business support services · 11–50 employees · 2 web properties observed

Last seen 10 Oct 2026 The most recent date Firmable detected Microsoft Teams Calling at this company.

Decision makers · 9 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Associate Director Informatics MobileEmail
Co-Founder MobileEmail

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Signals Recent events at this company, such as a leadership change, funding or a new office.

Sentynl Therapeutics, Inc. partnered with Mereo BioPharma Group on Aug 11th '26. · 11 Aug 2026

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Futerra

wearefuterra.com · Management consulting · 11–50 employees · 2 web properties observed

Last seen 12 Oct 2026 The most recent date Firmable detected Microsoft Teams Calling at this company.

Decision makers · 4 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

SVP Partnerships MobileEmail
Sustainability Strategy Director MobileEmail

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Signals Recent events at this company, such as a leadership change, funding or a new office.

No signals recorded

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Who uses Microsoft Teams Calling

A breakdown of the 5 companies running Microsoft Teams Calling.

Top industries

Information technology and services2
Professional and business services2
Media and telecommunications1

Company size

11–503 (60%)
251–5001 (20%)
501–1,0001 (20%)

Share of companies with a recorded size, by employees.

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Frequently asked questions

About the Microsoft Teams Calling data on this page.

How many companies use Microsoft Teams Calling?

Firmable holds confirmed Microsoft Teams Calling detections for 5 distinct companies, 5 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.

Which companies use Microsoft Teams Calling?

TM Forum, Mereo BioPharma and Futerra are among the most prominent in the current set.

What industries use Microsoft Teams Calling?

Information technology and services, professional and business services and media and telecommunications lead the set, across 4 industries in total.

What size companies use Microsoft Teams Calling?

Adoption concentrates in the 11-50 employee band, across the companies whose size is recorded.

Where are Microsoft Teams Calling users based?

The United States, Canada, Australia and Japan account for most detections, across 8 countries.

How current is this data?

5 companies were confirmed in the last 90 days. Last detection 12 October 2026.

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