How many employees work at Simpson Thacher?
Simpson Thacher & Bartlett LLP has approximately 1,799 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Simpson Thacher's total headcount has grown 45.3% from 1,238 employees in 2023 to 1,799 in 2026.
Data source: Revelio LabsCoverage: Global workforce, 2023–2026Published July 2026
Is Simpson Thacher hiring right now?
Yes, Simpson Thacher is actively hiring. Simpson Thacher had 144 active job postings in 2026, a 39.0% increase from 2025 — see job openings & hiring trends.
About Simpson Thacher's Workforce
Simpson Thacher & Bartlett LLP is a Legal Services company that employs 1,799 people worldwide as of March 2026. It is the 9th-largest by headcount among its peers. Founded in 1884, the company is headquartered in New York City, New York.
Simpson Thacher's workforce has grown 45.3% from 2023 to 2026, and it was up 4.7% year over year in 2026. Its workforce is concentrated most in the United States (75.0%), followed by the United Kingdom (18.0%) and Hong Kong (2.9%), with Singapore, its fastest-growing location.
Simpson Thacher's largest functional groups are Finance and Operations (63.6%), Sales and Marketing (18.3%), and Engineering (18.2%), with Sales and Marketing growing fastest (up 20.5%). The average tenure is 3.6 years, and the average salary is $237,673, ranging from a median of $212,000 in Northern America to $109,000 in Eastern Asia.
Simpson Thacher's active job postings rose 39.0% in 2026 to 144, with new postings per month climbing from 45 in 2023 to 51 in 2026. Overall employee sentiment is neutral but improving.
Sourced from Revelio Labs workforce data.
As of March 2026
Simpson Thacher
workforce metrics
Headcount
1.8k
4.7% YoY
Avg. Salary
$237.7k
4.8% YoY
Tenure
3.6yr
1.1yr YoY
Growth Rate
4.7%
0.3pts YoY
Hiring Rate
Attrition Rate
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Simpson Thacher. Compare to peers, export the dataset, and access the full quarterly history.
- Simpson Thacher had 1,799 employees in 2026, a 4.7% increase (+359) from 2025.
- Simpson Thacher had 1,635 employees in 2025, a 4.1% increase (+223) from 2024.
- Simpson Thacher had 1,412 employees in 2024, a 5.0% increase (+166) from 2023.
- Simpson Thacher had 1,246 employees in 2023, a 3.5% increase (+67) from 2022.
Simpson Thacher's total workforce has grown from 1,238 employees in 2023 to 1,799 in 2026.
Simpson Thacher & Bartlett LLP — quarterly employee count (2023–2026)
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 1,799 | +359 | +4.7% |
| 2025 | Q4 | 1,635 | +223 | +4.1% |
| 2025 | Q3 | 1,596 | +201 | +3.8% |
| 2025 | Q2 | 1,531 | +201 | +4.9% |
| 2025 | Q1 | 1,440 | +176 | +5.0% |
| 2024 | Q4 | 1,412 | +166 | +5.0% |
| 2024 | Q3 | 1,395 | +143 | +5.5% |
| 2024 | Q2 | 1,330 | +92 | +3.4% |
| 2024 | Q1 | 1,264 | +79 | +3.3% |
| 2023 | Q4 | 1,246 | +67 | +3.5% |
| 2023 | Q3 | 1,252 | +73 | +3.1% |
| 2023 | Q2 | 1,238 | +77 | +3.9% |
Want to see Simpson Thacher's complete headcount history back to 2008, including quarterly breakdowns?
The United States accounts for the largest share of Simpson Thacher's global workforce with approximately 75% of total employees, followed by the United Kingdom and Hong Kong. Simpson Thacher's headcount in Singapore is growing fastest among its major locations, up 93.1% year over year in 2026.
Simpson Thacher employees by country — 2026
| Country | Employees | % of Total | YoY % |
|---|---|---|---|
| United States | 1,335 | 75.0% | +6.1% |
| United Kingdom | 320 | 18.0% | +22.5% |
| Hong Kong | 51 | 2.9% | +17.6% |
| Japan | 23 | 1.3% | +34.1% |
| Luxembourg | 12 | 0.7% | +55.5% |
| China | 9 | 0.5% | +8.1% |
| Brazil | 6 | 0.4% | +27.1% |
| Singapore | 6 | 0.3% | +93.1% |
| Belgium | 5 | 0.3% | +19.1% |
| Vietnam | 2 | 0.1% | +0.0% |
Drill into city-level data, hiring trends by region and historic geographic shifts
Simpson Thacher's largest employee groups are Finance and Operations (63.6%), Sales and Marketing (18.3%), and Engineering (18.2%).
Simpson Thacher employees by department — 2026
| Department | Employees | % of Total | YoY % |
|---|---|---|---|
| Finance and Operations | 1,138 | 63.6% | +6.2% |
| Sales and Marketing | 327 | 18.3% | +20.5% |
| Engineering | 325 | 18.2% | +16.5% |
Compare Simpson Thacher's department mix to industry peers.
Simpson Thacher's average employee salary is $237,673 globally. Employees in Northern America receive the highest compensation. Pay is lowest in Eastern Asia, at a median of $109,000.
Simpson Thacher median employee salary by region — 2026 (USD)
| Region | Median Salary |
|---|---|
| Northern America | $212,000 |
| Northern Europe | $175,000 |
| South-Eastern Asia | $168,000 |
| Western Europe | $146,000 |
| Eastern Asia | $109,000 |
| Southern America | $22,000 |
| Southern Asia | $13,000 |
Unlock salary by role, level, and city — and compare to Simpson Thacher's industry peers.
- Simpson Thacher had 144 active job postings in 2026, a 39.0% increase (+16) from 2025.
- Simpson Thacher had 128 active job postings in 2025, a 90.9% increase (+80) from 2024.
- Simpson Thacher had 48 active job postings in 2024, a 25.9% increase (+11) from 2023.
- Simpson Thacher had 37 active job postings in 2023, a 7.8% decline from 2022.
- Hiring velocity in 2026: 51 new roles/month, up from 50 in 2025 and 39 in 2024. New metric
Simpson Thacher's hiring is accelerating: active job postings rose 39.0% in 2026 to 144, with new postings per month climbing from 45 in 2023 to 51 in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Revelio Labs tracks employee sentiment across Simpson Thacher's workforce based on public professional data. Overall sentiment is neutral and has improved year over year in 2026.
Overall
Unlock the full sentiment breakdown by department, tenure, and trend over time.
- How fast is Simpson Thacher growing?
- In 2026, Simpson Thacher's headcount grew 4.7% to 1,799 employees, up from 1,440 in 2025.
- Where are Simpson Thacher employees located?
- Most Simpson Thacher employees are based in the United States (75.0% of headcount), followed by the United Kingdom and Hong Kong.
- What is the average salary at Simpson Thacher?
- The average employee salary at Simpson Thacher is approximately $237.7k per year.
- How many people does Simpson Thacher hire per year?
- In 2026, Simpson Thacher opened roughly 612 new roles — about 51 per month.
- When was Simpson Thacher founded and where is it headquartered?
- Simpson Thacher was founded in 1884 and is headquartered in New York City, New York.
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