Companies
Sigma-Aldrich Corp.
Employees

How many employees work at Sigma Aldrich?

Q: How many employees work at Sigma Aldrich?

Sigma-Aldrich Corp. has 4,448 employees, according to Revelio Labs workforce intelligence data. The year-over-year growth rate is -0.7%.

Sigma-Aldrich Corp. has 4,448 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is -0.7%.

Data source: Revelio Labs Coverage: Global workforce Latest update: December 2025

About Sigma Aldrich

Our purpose is to solve the toughest problems in life science by collaborating with the global scientific community – and through that, we aim to accelerate access to better health for people everywhere. We provide scientists and engineers with best-in-class lab materials, technologies and services. With the 2015 combination of EMD Millipore and Sigma-Aldrich, we now have a broad portfolio of 300,000 products and an expanded global footprint. We are dedicated to making research and biotech production simpler, faster and safer The life science business of Merck KGaA, Darmstadt, Germany, operates as MilliporeSigma in the US and Canada. Merck KGaA, Darmstadt, Germany is a global company with 40,000 employees in more than 60 countries.

As of December 2025

Sigma Aldrich
workforce metrics

Headcount

4.4k

Avg. Salary

$66.8k

Tenure

7.6yr

Growth Rate

-0.7%

Hiring Rate

Attrition Rate

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Employee Headcount

Interactive chart of Sigma Aldrich annual worldwide employee count from 2023 to 2025.

Sigma Aldrich total number of employees in 2025 was 4,448, a 0.7% decline from 2024.
Sigma Aldrich total number of employees in 2024 was 4,479, a 1.0% decline from 2023.
Sigma Aldrich total number of employees in 2023 was 4,526, a 1.2% decline from 2022.