How many employees work at Sigma Aldrich?
Sigma-Aldrich Corp. has approximately 4,167 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Sigma Aldrich's total headcount has declined 2.1% from 4,256 employees in 2023 to 4,167 in 2026.
Data source: Revelio LabsCoverage: Global workforce, 2023–2026Published July 2026
Is Sigma Aldrich hiring right now?
No, Sigma Aldrich is not actively hiring. Sigma Aldrich had 0 active job postings in 2026, a 200.0% decline from 2025 — see job openings & hiring trends.
About Sigma Aldrich's Workforce
Sigma Aldrich Corp. is a Biotech and Healthcare Services company that employs 4,167 people worldwide as of March 2026. It is the 9th-largest by headcount among its peers. Founded in 1975, the company is headquartered in St Louis, Missouri.
Sigma Aldrich's workforce has declined 2.1% from 2023 to 2026, and it fell 0.6% year over year in 2026. The headcount is most concentrated in the United States (46.4%), followed by India (14.3%) and the United Kingdom (8.6%), with Germany noted as the fastest-growing location. Its top countries by share and growth show the United States leading, with Germany posting positive growth.
Sigma Aldrich's largest groups are Finance and Operations (43.9%), Engineering (34.8%), and Sales and Marketing (21.3%). Median tenure across the workforce is 6.9 years. The average salary is $64,284, with regional medians at $74,000 in Northern America and $10,000 in Southern Asia.
Sigma Aldrich's active job postings fell to 0 in 2026, down 200.0% from the previous year, and postings per month cooled from 3 in 2023 to 0 in 2026. Overall employee sentiment is negative but improving.
Sourced from Revelio Labs workforce data.
As of March 2026
Sigma Aldrich
workforce metrics
Headcount
4.2k
0.6% YoY
Avg. Salary
$64.3k
0.0% YoY
Tenure
6.9yr
0.0yr YoY
Growth Rate
-0.6%
1.0pts YoY
Hiring Rate
Attrition Rate
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Sigma Aldrich. Compare to peers, export the dataset, and access the full quarterly history.
- Sigma Aldrich had 4,167 employees in 2026, a 0.6% decline (-30) from 2025.
- Sigma Aldrich had 4,188 employees in 2025, a 0.3% decline (-14) from 2024.
- Sigma Aldrich had 4,202 employees in 2024, a 0.4% increase (-21) from 2023.
- Sigma Aldrich had 4,223 employees in 2023, a 0.8% decline (-51) from 2022.
Sigma Aldrich's total workforce has declined from 4,256 employees in 2023 to 4,167 in 2026.
Sigma-Aldrich Corp. — quarterly employee count (2023–2026)
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 4,167 | -30 | -0.6% |
| 2025 | Q4 | 4,188 | -14 | -0.3% |
| 2025 | Q3 | 4,190 | -29 | -0.2% |
| 2025 | Q2 | 4,194 | -21 | +0.2% |
| 2025 | Q1 | 4,197 | -23 | +0.4% |
| 2024 | Q4 | 4,202 | -21 | +0.4% |
| 2024 | Q3 | 4,219 | -13 | +0.2% |
| 2024 | Q2 | 4,215 | -41 | -0.6% |
| 2024 | Q1 | 4,220 | -48 | -0.9% |
| 2023 | Q4 | 4,223 | -51 | -0.8% |
| 2023 | Q3 | 4,232 | -70 | -0.7% |
| 2023 | Q2 | 4,256 | -65 | -0.2% |
Want to see Sigma Aldrich's complete headcount history back to 2008, including quarterly breakdowns?
The United States accounts for the largest share of Sigma Aldrich's global workforce with approximately 46% of total employees, followed by India and the United Kingdom. Sigma Aldrich's headcount in Germany is growing fastest among its major locations, up 1.3% year over year in 2026.
Sigma Aldrich employees by country — 2026
| Country | Employees | % of Total | YoY % |
|---|---|---|---|
| United States | 1,924 | 46.4% | -0.5% |
| India | 590 | 14.3% | -0.6% |
| United Kingdom | 357 | 8.6% | -1.4% |
| China | 186 | 4.5% | -0.3% |
| Germany | 158 | 3.8% | +1.3% |
| Switzerland | 94 | 2.3% | -1.2% |
| Israel | 82 | 2.0% | -1.5% |
| France | 81 | 1.9% | -2.2% |
| Brazil | 76 | 1.8% | -0.9% |
| Mexico | 44 | 1.1% | +0.0% |
Drill into city-level data, hiring trends by region and historic geographic shifts
Sigma Aldrich's largest employee groups are Finance and Operations (43.9%), Engineering (34.8%), and Sales and Marketing (21.3%).
Sigma Aldrich employees by department — 2026
| Department | Employees | % of Total | YoY % |
|---|---|---|---|
| Finance and Operations | 1,770 | 43.9% | -0.8% |
| Engineering | 1,402 | 34.8% | -0.4% |
| Sales and Marketing | 860 | 21.3% | +0.1% |
Compare Sigma Aldrich's department mix to industry peers.
Sigma Aldrich's average employee salary is $64,284 globally. Employees in Northern America receive the highest compensation, with median pay approximately 1.2x the global average. Pay is lowest in Southern Asia, at a median of $10,000.
Sigma Aldrich median employee salary by region — 2026 (USD)
| Region | Median Salary |
|---|---|
| Northern America | $74,000 |
| Western Europe | $67,000 |
| Central and Western Asia | $64,000 |
| Pacific Islands | $63,000 |
| Northern Europe | $60,000 |
| Arab States | $49,000 |
| Southern Europe | $43,000 |
| Eastern Asia | $37,000 |
| South-Eastern Asia | $31,000 |
| Eastern Europe | $26,000 |
| Central America and the Caribbean | $20,000 |
| Sub-Saharan Africa | $15,000 |
| Southern America | $14,000 |
| Northern Africa | $13,000 |
| Southern Asia | $10,000 |
Unlock salary by role, level, and city — and compare to Sigma Aldrich's industry peers.
- Sigma Aldrich had 0 active job postings in 2026, a 200.0% decline from 2025.
- Sigma Aldrich had 0 active job postings in 2025, a 200.0% decline (-1) from 2024.
- Sigma Aldrich had 1 active job postings in 2024, a 186.7% decline (-28) from 2023.
- Sigma Aldrich had 29 active job postings in 2023, a 174.2% increase from 2022.
- Hiring velocity in 2026: 0 new roles/month, up from 0 in 2025 and 0 in 2024. New metric
Sigma Aldrich's hiring is slowing: active job postings fell 200.0% in 2026 to 0, with new postings per month cooling from 3 in 2023 to 0 in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Revelio Labs tracks employee sentiment across Sigma Aldrich's workforce based on public professional data. Overall sentiment is negative and has improved year over year in 2026.
Overall
Unlock the full sentiment breakdown by department, tenure, and trend over time.
Similar Biotech and Healthcare Services Companies by Employee Count
- How fast is Sigma Aldrich growing?
- In 2026, Sigma Aldrich's headcount shrank 0.6% to 4,167 employees, down from 4,197 in 2025.
- Where are Sigma Aldrich employees located?
- Most Sigma Aldrich employees are based in the United States (46.4% of headcount), followed by India and the United Kingdom.
- What is the average salary at Sigma Aldrich?
- The average employee salary at Sigma Aldrich is approximately $64.3k per year.
- How many people does Sigma Aldrich hire per year?
- In 2026, Sigma Aldrich opened roughly 0 new roles — about 0 per month.
- When was Sigma Aldrich founded and where is it headquartered?
- Sigma Aldrich was founded in 1975 and is headquartered in St Louis, Missouri.
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