Share of companies with a recorded size, by employees.
No size recorded: 166
One dataset. Four ways to sell.
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Frequently asked questions
About the qmail data on this page.
How many companies use qmail?
Firmable holds confirmed qmail detections for 901 distinct companies, 894 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use qmail?
Rhone, Warren Wilson College and Grindr are among the most prominent in the current set.
What industries use qmail?
Information technology and services, professional and business services and financial services lead the set, across 19 industries in total.
What size companies use qmail?
Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.
Where are qmail users based?
The United States, Canada, Australia and Japan account for most detections, across 13 countries.
How current is this data?
894 companies were confirmed in the last 90 days. Last detection 14 October 2026.
