A breakdown of the 23 companies running CircleBack.
Top industries
Information technology and services11
Professional and business services7
Media and telecommunications2
Health and wellness1
Hospitality and travel1
Industrial and manufacturing1
Company size
1–104 (22%)
11–503 (17%)
51–2505 (28%)
251–5002 (11%)
501–1,0001 (6%)
1,001–5,0001 (6%)
5,001–10,0001 (6%)
10,001+1 (6%)
Share of companies with a recorded size, by employees.
No size recorded: 5
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Frequently asked questions
About the CircleBack data on this page.
How many companies use CircleBack?
Firmable holds confirmed CircleBack detections for 23 distinct companies, 10 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use CircleBack?
SalesPond, note株式会社 and Letterdrop are among the most prominent in the current set.
What industries use CircleBack?
Information technology and services, professional and business services and media and telecommunications lead the set, across 8 industries in total.
What size companies use CircleBack?
Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.
Where are CircleBack users based?
The United States, Australia, New Zealand and the Philippines account for most detections, across 13 countries.
How current is this data?
10 companies were confirmed in the last 90 days. Last detection 19 September 2026.
