A breakdown of the 385 companies running Maileroo.
Top industries
Professional and business services48
Information technology and services47
Construction and building34
Art, sports and recreation23
Education and training16
Financial services14
Real estate and home services14
Health and wellness13
No industry recorded: 86
Company size
1–10109 (58%)
11–5052 (28%)
51–25019 (10%)
251–5005 (3%)
1,001–5,0002 (1%)
5,001–10,0001 (1%)
Share of companies with a recorded size, by employees.
No size recorded: 197
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Frequently asked questions
About the Maileroo data on this page.
How many companies use Maileroo?
Firmable holds confirmed Maileroo detections for 385 distinct companies, 384 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Maileroo?
Stancil Services, Cornerstone Family Healthcare and Audien Hearing are among the most prominent in the current set.
What industries use Maileroo?
Professional and business services, information technology and services and construction and building lead the set, across 19 industries in total.
What size companies use Maileroo?
Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.
Where are Maileroo users based?
The United States, Australia, Canada and Singapore account for most detections, across 13 countries.
How current is this data?
384 companies were confirmed in the last 90 days. Last detection 13 October 2026.
