A breakdown of the 21K+ companies running Semrush.
Top industries
Professional and business services5.8K+
Information technology and services5.7K+
Financial services1.7K+
Industrial and manufacturing1.4K+
Education and training918
Media and telecommunications856
Retail trade727
Health and wellness636
No industry recorded: 867
Company size
1–102,284 (12%)
11–504,071 (21%)
51–2505,804 (30%)
251–5002,370 (12%)
501–1,0001,436 (7%)
1,001–5,0002,158 (11%)
5,001–10,000594 (3%)
10,001+830 (4%)
Share of companies with a recorded size, by employees.
No size recorded: 2.1K+
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 Semrush data on this page.
How many companies use Semrush?
Firmable holds confirmed Semrush detections for 21,667 distinct companies, 4,454 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Semrush?
Cresset, United Access and Arnold Worldwide are among the most prominent in the current set.
What industries use Semrush?
Professional and business services, information technology and services and financial services lead the set, across 19 industries in total.
What size companies use Semrush?
Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.
Where are Semrush users based?
The United States, Canada, Australia and the Philippines account for most detections, across 13 countries.
How current is this data?
4,454 companies were confirmed in the last 90 days. Last detection 13 October 2026.