A breakdown of the 50 companies running Missinglettr.
Top industries
Professional and business services25
Information technology and services10
Media and telecommunications3
Art, sports and recreation1
Consumer services1
Education and training1
Health and wellness1
Hospitality and travel1
No industry recorded: 7
Company size
1–1022 (58%)
11–507 (18%)
51–2506 (16%)
251–5002 (5%)
10,001+1 (3%)
Share of companies with a recorded size, by employees.
No size recorded: 12
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Complementary tools
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Market insights
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Frequently asked questions
About the Missinglettr data on this page.
How many companies use Missinglettr?
Firmable holds confirmed Missinglettr detections for 50 distinct companies, 36 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Missinglettr?
Figadvertising, Creatability Llc and Optsus are among the most prominent in the current set.
What industries use Missinglettr?
Professional and business services, information technology and services and media and telecommunications lead the set, across 9 industries in total.
What size companies use Missinglettr?
Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.
Where are Missinglettr users based?
The United States, Canada, the Philippines and Australia account for most detections, across 13 countries.
How current is this data?
36 companies were confirmed in the last 90 days. Last detection 13 October 2026.
