A breakdown of the 671 companies running Cloudflare Email Security.
Top industries
Education and training126
Information technology and services79
Financial services70
Professional and business services50
Art, sports and recreation35
Government and public services34
Media and telecommunications32
Construction and building28
No industry recorded: 70
Company size
1–1068 (12%)
11–50136 (25%)
51–250201 (36%)
251–50083 (15%)
501–1,00020 (4%)
1,001–5,00038 (7%)
5,001–10,0006 (1%)
10,001+3 (1%)
Share of companies with a recorded size, by employees.
No size recorded: 116
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Frequently asked questions
About the Cloudflare Email Security data on this page.
How many companies use Cloudflare Email Security?
Firmable holds confirmed Cloudflare Email Security detections for 671 distinct companies, 670 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Cloudflare Email Security?
AVANT Communications, HomeRiver Group and May Mobility are among the most prominent in the current set.
What industries use Cloudflare Email Security?
Education and training, information technology and services and financial services lead the set, across 19 industries in total.
What size companies use Cloudflare Email Security?
Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.
Where are Cloudflare Email Security users based?
The United States, Canada, Australia and the Philippines account for most detections, across 13 countries.
How current is this data?
670 companies were confirmed in the last 90 days. Last detection 13 October 2026.
