Share of companies with a recorded size, by employees.
No size recorded: 328
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Frequently asked questions
About the Retell data on this page.
How many companies use Retell?
Firmable holds confirmed Retell detections for 543 distinct companies, 428 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Retell?
Retell AI, Grupo Inmark and I-Nnovate are among the most prominent in the current set.
What industries use Retell?
Information technology and services, professional and business services and health and wellness lead the set, across 15 industries in total.
What size companies use Retell?
Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.
Where are Retell users based?
The United States, Canada, Australia and the Philippines account for most detections, across 13 countries.
How current is this data?
428 companies were confirmed in the last 90 days. Last detection 13 October 2026.
