How many employees work at Thermo Fisher Scientific?
Thermo Fisher Scientific, Inc. (TMO) has approximately 125,396 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Thermo Fisher Scientific’s total headcount has declined 0.4% from 125,919 employees in 2023 to 125,396 in 2026.
Is Thermo Fisher Scientific hiring right now?
Yes, Thermo Fisher Scientific is actively hiring. Thermo Fisher Scientific had 10,625 active job postings in 2026, a 24.8% increase from 2025 — see job openings & hiring trends.
About Thermo Fisher Scientific’s Workforce
Thermo Fisher Scientific, Inc. (TMO) is a Biotech and Healthcare Services company that employs 125,396 people worldwide as of March 2026. It is the largest by headcount among its peers. Founded in 1956, the company is headquartered in Waltham, Massachusetts and trades on the New York Stock Exchange.
Thermo Fisher Scientific's workforce has held roughly steady from 2023 to 2026, down 1.3% year over year in 2026. Its workforce is concentrated most in North America (40.8%), followed by Western Europe (10.1%) and Northern Europe (9.4%).
Thermo Fisher Scientific's functional groups are Finance and Operations (47.6%), Engineering (29.5%), and Sales and Marketing (22.9%). The average salary is $76,248, ranging from a median of $100,000 in North America to $11,000 in South Asia, down 0.8% year over year in 2026.
Thermo Fisher Scientific's active job postings rose 24.8% in 2026 to 10,625, with new postings per month climbing from 5,949 in 2023 to 6,089 in 2026. Overall employee sentiment is neutral but declining.
Sourced from Revelio Labs workforce data.
- Ticker
- New York Stock Exchange: TMO
- Headquarters
- Waltham, Massachusetts
- Founded
- 1956
- Industry
- Biotech and Healthcare Services
- Employees
- 125,396
- YoY
- -1.3% (-916)
As of March 2026
Thermo Fisher Scientific workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Thermo Fisher Scientific. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsThermo Fisher Scientific Annual Employee Count (2023-2026)
- Thermo Fisher Scientific had 125,396 employees in 2026, a 1.3% decline (-916) from 2025.
- Thermo Fisher Scientific had 125,348 employees in 2025, a 1.4% decline (-1,128) from 2024.
- Thermo Fisher Scientific had 126,476 employees in 2024, a 0.6% increase (+2,812) from 2023.
- Thermo Fisher Scientific had 123,664 employees in 2023, a 1.5% decline (-4,506) from 2022.
Thermo Fisher Scientific's total workforce has declined from 125,919 employees in 2023 to 125,396 in 2026. Thermo Fisher Scientific's headcount peaked at 126,476 in 2024.
Thermo Fisher Scientific, Inc. quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 125,396 | -916 | -1.3% |
| 2025 | Q4 | 125,348 | -1,128 | -1.4% |
| 2025 | Q3 | 125,615 | -245 | -1.0% |
| 2025 | Q2 | 125,939 | +1,083 | -0.4% |
| 2025 | Q1 | 126,312 | +2,514 | +0.3% |
| 2024 | Q4 | 126,476 | +2,812 | +0.6% |
| 2024 | Q3 | 125,860 | +1,811 | +0.3% |
| 2024 | Q2 | 124,856 | -1,063 | -0.3% |
| 2024 | Q1 | 123,798 | -3,479 | -1.1% |
| 2023 | Q4 | 123,664 | -4,506 | -1.5% |
| 2023 | Q3 | 124,049 | -4,398 | -1.6% |
| 2023 | Q2 | 125,919 | -1,566 | -1.0% |
See Thermo Fisher Scientific's complete headcount history, including quarterly breakdowns.
Get the DataThermo Fisher Scientific Employee Count by Region (2026)
North America accounts for the largest share of Thermo Fisher Scientific's global workforce with approximately 41% of total employees, followed by Western Europe and Northern Europe.
Thermo Fisher Scientific employees by region
| Region | Employees | % of Total |
|---|---|---|
| North America | 50,226 | 40.8% |
| Western Europe | 12,465 | 10.1% |
| Northern Europe | 11,535 | 9.4% |
| South Asia | 11,000 | 8.9% |
| East Asia | 9,192 | 7.5% |
| Eastern Europe | 7,009 | 5.7% |
| Southern Europe | 6,934 | 5.6% |
| Southeast Asia | 4,327 | 3.5% |
| Central America and the Caribbean | 3,948 | 3.2% |
| South America | 2,664 | 2.2% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataThermo Fisher Scientific Employee Count by Department (2026)
Thermo Fisher Scientific's employee groups are Finance and Operations (47.6%), Engineering (29.5%), and Sales and Marketing (22.9%).
Thermo Fisher Scientific employees by department
| Department | Employees | % of Total |
|---|---|---|
| Finance and Operations | 59,210 | 47.6% |
| Engineering | 36,647 | 29.5% |
| Sales and Marketing | 28,530 | 22.9% |
Compare Thermo Fisher Scientific's department mix to industry peers.
See Full DataThermo Fisher Scientific Employee Salary by Region (2026)
Thermo Fisher Scientific's average employee salary is $76,248 globally. Employees in North America receive the highest compensation, with median pay approximately 1.3x the global average. Pay is lowest in South Asia, at a median of $11,000.
Thermo Fisher Scientific median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| North America | $100,000 |
| Pacific Islands | $80,000 |
| Western Europe | $77,000 |
| Northern Europe | $68,000 |
| Arab States | $51,000 |
| East Asia | $45,000 |
| Central and Western Asia | $42,000 |
| Southern Europe | $42,000 |
| Eastern Europe | $30,000 |
| Central America and the Caribbean | $26,000 |
| Southeast Asia | $23,000 |
| Sub-Saharan Africa | $20,000 |
| South America | $16,000 |
| North Africa | $13,000 |
| South Asia | $11,000 |
Unlock salary by role, level, and city — and compare to Thermo Fisher Scientific's industry peers.
Unlock Salary DataThermo Fisher Scientific Job Openings and Hiring Trends (2023-2026)
- Thermo Fisher Scientific had 10,625 active job postings in 2026, a 24.8% increase (+703) from 2025.
- Thermo Fisher Scientific had 9,922 active job postings in 2025, a 13.1% decline (-1,389) from 2024.
- Thermo Fisher Scientific had 11,311 active job postings in 2024, a 10.8% increase (+1,156) from 2023.
- Thermo Fisher Scientific had 10,155 active job postings in 2023, a 40.8% decline from 2022.
- Hiring velocity in 2026: 6,089 new roles/month, up from 6,028 in 2025 and 9,332 in 2024.
Thermo Fisher Scientific's hiring is accelerating: active job postings rose 24.8% in 2026 to 10,625, with new postings per month climbing from 5,949 in 2023 to 6,089 in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Unlock Hiring DataThermo Fisher Scientific Employee Sentiment (2026)
Revelio Labs tracks employee sentiment across Thermo Fisher Scientific's workforce based on public professional data. Overall sentiment is neutral and has declined year over year in 2026.
Overall
Unlock the full sentiment breakdown by department, tenure, and trend over time.
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Frequently Asked Questions About Thermo Fisher Scientific
- How fast is Thermo Fisher Scientific growing?
- In 2026, Thermo Fisher Scientific's headcount shrank 1.3% to 125,396 employees, down from 126,312 in 2025.
- See the full headcount history
- Where are Thermo Fisher Scientific employees located?
- Most Thermo Fisher Scientific employees are based in North America (40.8% of headcount), followed by Western Europe and Northern Europe.
- Explore where the workforce is based
- What is the average salary at Thermo Fisher Scientific?
- The average employee salary at Thermo Fisher Scientific is approximately $76.2k per year.
- Analyze the salary distribution
- How many new job postings does Thermo Fisher Scientific open per year?
- In Q1 2026, Thermo Fisher Scientific opened 18,268 new job postings. In 2025, Thermo Fisher Scientific opened 72,335 new job postings — about 6,028 per month.
- Track hiring trends by role
- When was Thermo Fisher Scientific founded and where is it headquartered?
- Thermo Fisher Scientific was founded in 1956 and is headquartered in Waltham, Massachusetts.
- Compare Thermo Fisher Scientific to industry peers
Speak with a workforce expert about Thermo Fisher Scientific.
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