How many employees work at Simpson Thacher?
Simpson Thacher & Bartlett LLP has 3,851 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is 19.3%.
Data source: Revelio Labs Coverage: Global workforce Latest update: September 2025
About Simpson Thacher
Simpson Thacher & Bartlett LLP is one of the world’s leading international law firms. The Firm was established in 1884 and has more than 1,000 lawyers. Headquartered in New York with offices in Beijing, Brussels, Hong Kong, Houston, London, Los Angeles, Palo Alto, São Paulo, Tokyo and Washington, D.C., the Firm provides coordinated legal advice and transactional capability to clients around the globe. This website contains attorney advertising. Prior results do not guarantee a similar outcome.
As of September 2025
Simpson Thacher
workforce metrics
Headcount
3.9k
Avg. Salary
$225.3k
Tenure
3.9yr
Growth Rate
19.3%
Hiring Rate
Attrition Rate
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Employee Headcount
Interactive chart of Simpson Thacher annual worldwide employee count from 2023 to 2025.
- Simpson Thacher total number of employees in 2025 was 3,894.283, a 19.3% increase from 2024.
- Simpson Thacher total number of employees in 2024 was 3,260.758, a 12.6% increase from 2023.
- Simpson Thacher total number of employees in 2023 was 2,868.002, a 7.7% increase from 2022.
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Employee Geographic Breakdown
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Active Job Postings
Interactive chart of Simpson Thacher annual active job postings from 2023 to 2025.
- Simpson Thacher active job postings in 2025 was 357, a 107.1% increase from 2024.
- Simpson Thacher active job postings in 2024 was 135, a 70.0% increase from 2023.
- Simpson Thacher active job postings in 2023 was 65, a 18.2% decline from 2022.
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Employee Sentiment
Sentiment Topics
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