A breakdown of the 307 companies running ExpertSender.
Top industries
Retail trade46
Media and telecommunications41
Information technology and services37
Health and wellness26
Professional and business services26
Education and training25
Financial services18
Art, sports and recreation10
No industry recorded: 50
Company size
1–1037 (25%)
11–5038 (26%)
51–25034 (23%)
251–50010 (7%)
501–1,0009 (6%)
1,001–5,0009 (6%)
5,001–10,0006 (4%)
10,001+6 (4%)
Share of companies with a recorded size, by employees.
No size recorded: 158
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Frequently asked questions
About the ExpertSender data on this page.
How many companies use ExpertSender?
Firmable holds confirmed ExpertSender detections for 307 distinct companies, 294 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use ExpertSender?
Kaspersky, Easterseals New Jersey and PT SEPATU KREATIF INDONESIA are among the most prominent in the current set.
What industries use ExpertSender?
Retail trade, media and telecommunications and information technology and services lead the set, across 18 industries in total.
What size companies use ExpertSender?
Adoption concentrates in the 11-50 employee band, across the companies whose size is recorded.
Where are ExpertSender users based?
The United States, Canada, Australia and the Philippines account for most detections, across 13 countries.
How current is this data?
294 companies were confirmed in the last 90 days. Last detection 13 October 2026.
