A breakdown of the 1.2K+ companies running Microsoft Windows 365.
Top industries
Information technology and services336
Financial services208
Professional and business services129
Industrial and manufacturing116
Construction and building54
Health and wellness51
Education and training43
Transport32
No industry recorded: 33
Company size
1–1047 (4%)
11–5097 (9%)
51–250183 (16%)
251–500130 (12%)
501–1,00081 (7%)
1,001–5,000266 (24%)
5,001–10,00088 (8%)
10,001+234 (21%)
Share of companies with a recorded size, by employees.
No size recorded: 77
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 Windows 365 data on this page.
How many companies use Microsoft Windows 365?
Firmable holds confirmed Microsoft Windows 365 detections for 1,203 distinct companies, 214 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Microsoft Windows 365?
xeris pharmaceuticals, inc., Centorrino Technologies and HaloMD are among the most prominent in the current set.
What industries use Microsoft Windows 365?
Information technology and services, financial services and professional and business services lead the set, across 19 industries in total.
What size companies use Microsoft Windows 365?
Adoption concentrates in the 1,001-5,000 employee band, across the companies whose size is recorded.
Where are Microsoft Windows 365 users based?
The United States, Canada, Australia and Singapore account for most detections, across 13 countries.
How current is this data?
214 companies were confirmed in the last 90 days. Last detection 7 September 2026.
