A breakdown of the 21 companies running Fidei Email.
Top industries
Not for profit4
Agriculture, forestry and fishing2
Education and training2
Professional and business services2
Health and wellness1
Information technology and services1
Real estate and home services1
Wholesale1
No industry recorded: 7
Company size
1–104 (50%)
11–502 (25%)
51–2502 (25%)
Share of companies with a recorded size, by employees.
No size recorded: 13
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Frequently asked questions
About the Fidei Email data on this page.
How many companies use Fidei Email?
Firmable holds confirmed Fidei Email detections for 21 distinct companies, 21 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Fidei Email?
The Academy for Adventurers are among the most prominent in the current set.
What industries use Fidei Email?
Not for profit, agriculture, forestry and fishing and education and training lead the set, across 9 industries in total.
What size companies use Fidei Email?
Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.
Where are Fidei Email users based?
The United States and Canada account for most detections, across 2 countries.
How current is this data?
21 companies were confirmed in the last 90 days. Last detection 13 October 2026.
