A breakdown of the 281 companies running Knock Knock App.
Top industries
Professional and business services60
Construction and building37
Financial services31
Information technology and services27
Art, sports and recreation20
Transport20
Health and wellness12
Retail trade10
No industry recorded: 30
Company size
1–10100 (64%)
11–5038 (24%)
51–25016 (10%)
251–5003 (2%)
Share of companies with a recorded size, by employees.
No size recorded: 124
One dataset. Four ways to sell.
Match the deepest technology intelligence against the most comprehensive data on companies and people – such as who is growing, raised capital or changed role – for pinpoint precision on GTM campaigns.
Competitor displacement
Find the accounts running a competitor today and go after them with the right argument.
Complementary tools
Target companies whose stack sits alongside yours and integrates without a fight.
Service partners
Identify implementers and agencies already working in the technologies you support.
Market insights
Map your total addressable market and track aggregated trends such as AI maturity.
Frequently asked questions
About the Knock Knock App data on this page.
How many companies use Knock Knock App?
Firmable holds confirmed Knock Knock App detections for 281 distinct companies, 178 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Knock Knock App?
Sit Means Sit Dog Training, Paradise Valley Spas and Multi Seal Tire Sealants are among the most prominent in the current set.
What industries use Knock Knock App?
Professional and business services, construction and building and financial services lead the set, across 17 industries in total.
What size companies use Knock Knock App?
Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.
Where are Knock Knock App users based?
The United States, New Zealand, Australia and Canada account for most detections, across 10 countries.
How current is this data?
178 companies were confirmed in the last 90 days. Last detection 20 September 2026.
