A breakdown of the 278K+ companies running iCloud Mail.
Top industries
Information technology and services33K+
Professional and business services32K+
Construction and building26K+
Education and training24K+
Industrial and manufacturing20K+
Health and wellness20K+
Art, sports and recreation15K+
Financial services15K+
No industry recorded: 21K+
Company size
1–1047,873 (22%)
11–5051,039 (24%)
51–25063,451 (30%)
251–50027,044 (13%)
501–1,0009,154 (4%)
1,001–5,00010,919 (5%)
5,001–10,0001,820 (1%)
10,001+1,797 (1%)
Share of companies with a recorded size, by employees.
No size recorded: 65K+
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Frequently asked questions
About the iCloud Mail data on this page.
How many companies use iCloud Mail?
Firmable holds confirmed iCloud Mail detections for 278,951 distinct companies, 262,158 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use iCloud Mail?
Tarsus Pharmaceuticals, Inc., Steward Partners and xeris pharmaceuticals, inc. are among the most prominent in the current set.
What industries use iCloud Mail?
Information technology and services, professional and business services and construction and building lead the set, across 19 industries in total.
What size companies use iCloud Mail?
Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.
Where are iCloud Mail users based?
The United States, Australia, Canada and the Philippines account for most detections, across 13 countries.
How current is this data?
262,158 companies were confirmed in the last 90 days. Last detection 13 October 2026.
