A breakdown of the 57 companies running Microsoft 365 security center.
Top industries
Information technology and services27
Professional and business services6
Financial services4
Media and telecommunications4
Education and training3
Real estate and home services3
Art, sports and recreation2
Construction and building2
Company size
1–103 (6%)
11–504 (7%)
51–25017 (31%)
251–5005 (9%)
501–1,00010 (19%)
1,001–5,00010 (19%)
5,001–10,0002 (4%)
10,001+3 (6%)
Share of companies with a recorded size, by employees.
No size recorded: 3
One dataset. Four ways to sell.
Match the deepest technology intelligence against the most comprehensive data on companies and people – such as who is growing, raised capital or changed role – for pinpoint precision on GTM campaigns.
Competitor displacement
Find the accounts running a competitor today and go after them with the right argument.
Complementary tools
Target companies whose stack sits alongside yours and integrates without a fight.
Service partners
Identify implementers and agencies already working in the technologies you support.
Market insights
Map your total addressable market and track aggregated trends such as AI maturity.
Frequently asked questions
About the Microsoft 365 security center data on this page.
How many companies use Microsoft 365 security center?
Firmable holds confirmed Microsoft 365 security center detections for 57 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 365 security center?
The Hometown News, Logivision Technologies and VNS Health are among the most prominent in the current set.
What industries use Microsoft 365 security center?
Information technology and services, professional and business services and financial services lead the set, across 17 industries in total.
What size companies use Microsoft 365 security center?
Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.
Where are Microsoft 365 security center users based?
The United States, Canada, Australia and Indonesia account for most detections, across 13 countries.
How current is this data?
5 companies were confirmed in the last 90 days. Last detection 6 September 2026.