How many employees work at Thermo Fisher Scientific?
Thermo Fisher Scientific, Inc. has 126,683 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is 1.3%.
Data source: Revelio Labs Coverage: Global workforce Latest update: December 2025
About Thermo Fisher Scientific
About Thermo Fisher Scientific Thermo Fisher Scientific Inc. is the world leader in serving science, with annual revenue of approximately $40 billion. Our Mission is to enable our customers to make the world healthier, cleaner and safer. Whether our customers are accelerating life sciences research, solving complex analytical challenges, increasing productivity in their laboratories, improving patient health through diagnostics or the development and manufacture of life-changing therapies, we are here to support them. Our global team delivers an unrivaled combination of innovative technologies, purchasing convenience and pharmaceutical services through our industry-leading brands, including Thermo Scientific, Applied Biosystems, Invitrogen, Fisher Scientific, Unity Lab Services, Patheon and PPD. For more information, please visit www.thermofisher.com.
As of December 2025
Thermo Fisher Scientific
workforce metrics
Headcount
126.7k
Avg. Salary
$75.8k
Tenure
4.7yr
Growth Rate
1.3%
Hiring Rate
Attrition Rate
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Employee Headcount
Interactive chart of Thermo Fisher Scientific annual worldwide employee count from 2023 to 2025.
- Thermo Fisher Scientific total number of employees in 2025 was 126,692, a 1.3% increase from 2024.
- Thermo Fisher Scientific total number of employees in 2024 was 125,028, a 4.3% increase from 2023.
- Thermo Fisher Scientific total number of employees in 2023 was 119,725, a 2.2% decline from 2022.
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Employee Geographic Breakdown
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Active Job Postings
Interactive chart of Thermo Fisher Scientific annual active job postings from 2023 to 2025.
- Thermo Fisher Scientific active job postings in 2025 was 6,663, a 35.8% decline from 2024.
- Thermo Fisher Scientific active job postings in 2024 was 9,566, a 0.7% decline from 2023.
- Thermo Fisher Scientific active job postings in 2023 was 9,634, a 30.2% decline from 2022.
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Employee Sentiment
Sentiment Topics
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