A breakdown of the 943 companies running Tutanota.
Top industries
Information technology and services163
Professional and business services124
Health and wellness75
Art, sports and recreation55
Education and training40
Construction and building34
Industrial and manufacturing33
Retail trade33
No industry recorded: 246
Company size
1–10205 (67%)
11–5066 (22%)
51–25018 (6%)
251–5006 (2%)
501–1,0002 (1%)
1,001–5,0002 (1%)
5,001–10,0001 (<1%)
10,001+5 (2%)
Share of companies with a recorded size, by employees.
No size recorded: 638
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Frequently asked questions
About the Tutanota data on this page.
How many companies use Tutanota?
Firmable holds confirmed Tutanota detections for 943 distinct companies, 870 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Tutanota?
Marine Toys for Tots Foundation, 9 Clouds and ATRA are among the most prominent in the current set.
What industries use Tutanota?
Information technology and services, professional and business services and health and wellness lead the set, across 19 industries in total.
What size companies use Tutanota?
Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.
Where are Tutanota users based?
The United States, Canada, Australia and Singapore account for most detections, across 13 countries.
How current is this data?
870 companies were confirmed in the last 90 days. Last detection 14 October 2026.