Companies: 10,795·Total market cap: $144.5T
Thermo Fisher Scientific Inc.

Thermo Fisher Scientific Inc.

TMONYSEHealthcare● Active
$469.63
$-3.17(-0.67%)
Market Cap$174.5B
P/E Ratio—
52W High$643.99
52W Low$385.46
EmployeesOwnershipInsider Trades

Thermo Fisher Scientific Inc. (TMO) Number of Employees – History & Annual Headcount

Annual SEC headcount, year-over-year change, and per-employee efficiency — chart and full history below.

SEC EDGAR · FMP · TMO · as of Feb 26, 2026

Latest filing snapshot

125,000
+0+0.00%vs prior year

Thermo Fisher Scientific Inc. (TMO) employee data is sourced from the annual SEC 10-K filing. As of 2025, full-time employees only. Global consolidated headcount. View SEC filing ↗

SEC 10-K·Period end: 2025-12-31·Full-time · Global
Total Employees
125,000
Change (1Y)
+0
Growth % (1Y)
+0.00%
Revenue / Employee
$356.4K
Net Income / Employee
$53.9K
Market Cap
$174.5B

TMO Employee Count

1994 – 2025 · Annual · SEC filing

Source: SEC annual filings · Hover bar to view year data · Click to view original filing

Employees History

Filing DateEmployeesChange (1Y)Growth (1Y)SEC filing link
2026-02-26125,000+0+0.00%
2025-02-20125,000+3,000+2.46%
2024-02-22122,000-8,000-6.15%
2023-02-23130,000+0+0.00%
2022-02-24130,000+50,000+62.50%
2021-02-2580,000+5,000+6.67%
2020-02-2675,000+5,000+7.14%
2019-02-2770,000+0+0.00%
2018-02-2870,000+15,000+27.27%
2017-02-2855,000+3,000+5.77%

▸ Source: SEC Annual Reports (Form 10-K / 20-F). Employee counts as of fiscal year end. Click the ↗ icon at the end of a row to open the original SEC filing in a new tab.

Related Companies — Employee Count

Medical - Diagnostics & Research
#SymbolCompanyEmployees
#1
Thermo Fisher Scientific Inc.
TMO
Thermo Fisher Scientific Inc.YOU
125,000#2
Abbott Laboratories
ABT
Abbott Laboratories
114,000#3
AstraZeneca PLC
AZN
AstraZeneca PLC
94,300#4
IQVIA Holdings Inc.
IQV
IQVIA Holdings Inc.
89,000#5
Danaher Corporation
DHR
Danaher Corporation
61,000#6
Amgen Inc.
AMGN
Amgen Inc.
28,000#7
Agilent Technologies, Inc.
A
Agilent Technologies, Inc.
17,900
Source: /stock-peers + /profile.fullTimeEmployees · Click row → /employees · Sorted by headcount · TMO peer comparison

About TMO employees

TMO Employees · Headcount

Thermo Fisher Scientific Inc. (TMO) employee data is sourced from the annual SEC 10-K filing. As of 2025, Thermo Fisher Scientific Inc. had 125,000 full-time employees globally. Full-time employees only. Global consolidated headcount.

Thermo Fisher Scientific Inc. employs 125,000 full-time employees as of the latest filing within the Medical - Diagnostics & Research industry. Revenue per employee stands at $356,448, reflecting the company's operational efficiency.

Thermo Fisher Scientific Inc.'s workforce increased by 0 (0.00%) in 2025 compared to the prior fiscal year. The historical trend reflects the company's expansion and contraction cycles.

Thermo Fisher Scientific Inc.'s revenue per employee of $356,448 positions it among the notable performers in the Medical - Diagnostics & Research sector for operational efficiency.

RevenueFinancial statementsNet incomeSEC filingsPrice historyForecast & ratingsOwnershipEarnings

Frequently Asked Questions

TMO Employees · 5 questions

As of the latest SEC 10-K filing (2025), Thermo Fisher Scientific Inc. had 125,000 full-time employees globally. This figure is sourced from the company's mandatory annual disclosure to the SEC.

Thermo Fisher Scientific Inc. employee counthow many employees does Thermo Fisher Scientific Inc. haveTMO total employees 2025

▸ Data source: FMP /historical-employee-count · SEC EDGAR annual filings · As reported · Global consolidated headcount · As of 2026-02-26