A breakdown of the 263 companies running LeetCode.
Top industries
Information technology and services114
Professional and business services30
Education and training28
Financial services16
Media and telecommunications15
Industrial and manufacturing12
Health and wellness4
Construction and building3
No industry recorded: 30
Company size
1–1037 (16%)
11–5055 (24%)
51–25058 (26%)
251–50018 (8%)
501–1,00014 (6%)
1,001–5,00018 (8%)
5,001–10,00010 (4%)
10,001+15 (7%)
Share of companies with a recorded size, by employees.
No size recorded: 38
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Frequently asked questions
About the LeetCode data on this page.
How many companies use LeetCode?
Firmable holds confirmed LeetCode detections for 263 distinct companies, 77 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use LeetCode?
Grove Collaborative, Vivasoft Limited and Vibe.co are among the most prominent in the current set.
What industries use LeetCode?
Information technology and services, professional and business services and education and training lead the set, across 17 industries in total.
What size companies use LeetCode?
Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.
Where are LeetCode users based?
The United States, Australia, Canada and Singapore account for most detections, across 13 countries.
How current is this data?
77 companies were confirmed in the last 90 days. Last detection 6 September 2026.
