How many employees does Thermo Fisher Scientific (TMO) have?

Thermo Fisher Scientific reported 125,000 full-time equivalent employees in its most recent annual filing (fiscal year 2025).

How has Thermo Fisher Scientific's headcount changed year over year?

Thermo Fisher Scientific's reported headcount was unchanged by 0.0% versus the prior fiscal year.

What is Thermo Fisher Scientific's employee growth rate?

Between fiscal years 1994 and 2025, Thermo Fisher Scientific's headcount changed at a compound annual growth rate (CAGR) of +8.4% per year.

How much revenue does Thermo Fisher Scientific generate per employee?

In its most recent annual period, Thermo Fisher Scientific generated roughly $356.4K of revenue per employee. This is derived by dividing annual revenue by reported headcount and is shown only for companies that report in US dollars.

Where does Thermo Fisher Scientific's employee count data come from?

Headcount figures are taken from Thermo Fisher Scientific's annual reports (10-K, or 20-F/40-F for foreign filers) and periodic company filings. Annual filings drive the snapshot, chart, year-over-year change, and CAGR; interim filings are listed in the full history table.

Thermo Fisher Scientific (TMO) Employee Count & Headcount History

Latest headcount

125,000

Fiscal year 2025

YoY change

0.0%

vs. prior fiscal year

Headcount CAGR

+8.4%

Per year, full history

Revenue / employee

$356.4K

Latest annual period

Employee count history for Thermo Fisher Scientific

Thermo Fisher Scientific employee count by fiscal year
Fiscal year	Employees
1994	10,234
1995	14,400
1996	17,760
1998	22,400
1999	23,600
2000	13,000
2001	12,000
2002	10,900
2003	10,800
2004	9,900
2005	11,500
2006	30,500
2007	33,000
2008	34,500
2009	35,400
2010	37,200
2011	39,300
2012	38,900
2013	50,000
2014	51,000
2015	52,000
2016	55,000
2017	70,000
2018	70,000
2019	75,000
2020	80,000
2021	130,000
2022	130,000
2023	122,000
2024	125,000
2025	125,000

Revenue per employee for Thermo Fisher Scientific

Annual revenue divided by reported headcount, normalized to US dollars.

Thermo Fisher Scientific revenue per employee by fiscal year (USD)
Fiscal year	Revenue per employee (USD)
1994	$154.9K
1995	$153.3K
1996	$165.1K
1998	$158.9K
1999	$163.9K
2000	$175.4K
2001	$182.4K
2002	$191.4K
2003	$194.2K
2004	$222.8K
2005	$229K
2006	$124.3K
2007	$295.3K
2008	$304.3K
2009	$285.6K
2010	$290K
2011	$298.4K
2012	$321.6K
2013	$261.8K
2014	$331.2K
2015	$326.3K
2016	$332.3K
2017	$298.8K
2018	$348K
2019	$340.6K
2020	$402.7K
2021	$301.6K
2022	$345.5K
2023	$351.3K
2024	$343K
2025	$356.4K

Earnings per employee for Thermo Fisher Scientific

Annual net income divided by reported headcount, normalized to US dollars; years with a net loss dip below zero.

Thermo Fisher Scientific earnings (net income) per employee by fiscal year (USD)
Fiscal year	Earnings per employee (USD)
1994	$10.1K
1995	$9.7K
1996	$10.7K
1998	$10.7K
1999	$7.7K
2000	-$2.8K
2001	-$65.1
2002	$28.4K
2003	$18.5K
2004	$36.5K
2005	$19.4K
2006	$5.5K
2007	$23.1K
2008	$28.8K
2009	$24K
2010	$27.8K
2011	$33.8K
2012	$30.3K
2013	$25.5K
2014	$37.1K
2015	$38K
2016	$36.8K
2017	$31.8K
2018	$42K
2019	$49.3K
2020	$79.7K
2021	$59.4K
2022	$53.5K
2023	$49.1K
2024	$50.7K
2025	$53.9K

Employee count history for Thermo Fisher Scientific (TMO)

Annual figures come from annual reports (10-K, or 20-F/40-F for foreign filers); interim rows reflect headcount disclosed in periodic filings. Year-over-year change compares each filing with the prior year's equivalent. Revenue and earnings per employee are annual figures normalized to US dollars.

Thermo Fisher Scientific (TMO) employee count filing history
						Filing
2025	125,000	0.0%	0	$356.4K	$53.9K	10-K	Dec 31, 2025	Feb 26, 2026
2024	125,000	+2.5%	+3,000	$343K	$50.7K	10-K	Dec 31, 2024	Feb 20, 2025
2023	122,000	-6.2%	-8,000	$351.3K	$49.1K	10-K	Dec 31, 2023	Feb 22, 2024
2022	130,000	0.0%	0	$345.5K	$53.5K	10-K	Dec 31, 2022	Feb 23, 2023
2021	130,000	+62.5%	+50,000	$301.6K	$59.4K	10-K	Dec 31, 2021	Feb 24, 2022
2020	80,000	+6.7%	+5,000	$402.7K	$79.7K	10-K	Dec 31, 2020	Feb 25, 2021
2019	75,000	+7.1%	+5,000	$340.6K	$49.3K	10-K	Dec 31, 2019	Feb 26, 2020
2018	70,000	0.0%	0	$348K	$42K	10-K	Dec 31, 2018	Feb 27, 2019
2017	70,000	+27.3%	+15,000	$298.8K	$31.8K	10-K	Dec 31, 2017	Feb 28, 2018
2016	55,000	+5.8%	+3,000	$332.3K	$36.8K	10-K	Dec 31, 2016	Feb 28, 2017
2015	52,000	+2.0%	+1,000	$326.3K	$38K	10-K	Dec 31, 2015	Feb 25, 2016
2014	51,000	+2.0%	+1,000	$331.2K	$37.1K	10-K	Dec 31, 2014	Feb 26, 2015
2013	50,000	+28.5%	+11,100	$261.8K	$25.5K	10-K	Dec 31, 2013	Feb 27, 2014
2012	38,900	-1.0%	-400	$321.6K	$30.3K	10-K	Dec 31, 2012	Feb 27, 2013
2011	39,300	+5.6%	+2,100	$298.4K	$33.8K	10-K	Dec 31, 2011	Feb 29, 2012
2010	37,200	+5.1%	+1,800	$290K	$27.8K	10-K	Dec 31, 2010	Feb 24, 2011
2009	35,400	+2.6%	+900	$285.6K	$24K	10-K	Dec 31, 2009	Feb 26, 2010
2008	34,500	+4.5%	+1,500	$304.3K	$28.8K	10-K	Dec 31, 2008	Feb 27, 2009
2007	33,000	+8.2%	+2,500	$295.3K	$23.1K	10-K	Dec 31, 2007	Feb 29, 2008
2006	30,500	+165.2%	+19,000	$124.3K	$5.5K	10-K	Dec 31, 2006	Mar 1, 2007
2005	11,500	+16.2%	+1,600	$229K	$19.4K	10-K	Dec 31, 2005	Mar 2, 2006
2004	9,900	-8.3%	-900	$222.8K	$36.5K	10-K	Dec 31, 2004	Mar 16, 2005
2003	10,800	-0.9%	-100	$194.2K	$18.5K	10-K	Dec 31, 2003	Mar 2, 2004
2002	10,900	-9.2%	-1,100	$191.4K	$28.4K	10-K	Dec 28, 2002	Mar 7, 2003
2001	12,000	-7.7%	-1,000	$182.4K	-$65.1	10-K	Dec 29, 2001	Mar 15, 2002
2000	13,000	-44.9%	-10,600	$175.4K	-$2.8K	10-K	Dec 30, 2000	Mar 21, 2001
2000	25,400	+7.6%	+1,800	$175.4K	-$2.8K	10-K	Jan 1, 2000	Mar 22, 2000
1999	23,600	+5.4%	+1,200	$163.9K	$7.7K	10-K	Jan 2, 1999	Mar 23, 1999
1998	22,400	—	—	$158.9K	$10.7K	10-K	Jan 3, 1998	Mar 12, 1998
1996	17,760	+23.3%	+3,360	$165.1K	$10.7K	10-K	Dec 28, 1996	Mar 20, 1997
1995	14,400	+40.7%	+4,166	$153.3K	$9.7K	10-K	Dec 30, 1995	Mar 13, 1996
1994	10,234	—	—	$154.9K	$10.1K	10-K	Dec 31, 1994	Mar 8, 1995
1994	8,800	—	—	$154.9K	$10.1K	10-K	Jan 1, 1994	Mar 9, 1994

2025125,0000.0%
2024125,000+2.5%
2023122,000-6.2%
2022130,0000.0%
2021130,000+62.5%
202080,000+6.7%
201975,000+7.1%
201870,0000.0%
201770,000+27.3%
201655,000+5.8%
201552,000+2.0%
201451,000+2.0%
201350,000+28.5%
201238,900-1.0%
201139,300+5.6%
201037,200+5.1%
200935,400+2.6%
200834,500+4.5%
200733,000+8.2%
200630,500+165.2%
200511,500+16.2%
20049,900-8.3%
200310,800-0.9%
200210,900-9.2%
200112,000-7.7%
200013,000-44.9%
200025,400+7.6%
199923,600+5.4%
199822,400—
199617,760+23.3%
199514,400+40.7%
199410,234—
19948,800—

About Thermo Fisher Scientific's employee count

Thermo Fisher Scientific (TMO) employed 125,000 people in fiscal year 2025, based on its most recent annual report. That headcount was unchanged from 125,000 a year earlier.

Across the 1994–2025 period, the company's reported workforce went from 10,234 to 125,000 employees — a compound annual growth rate (CAGR) of +8.4% per year.

Thermo Fisher Scientific generated about $356.4K of revenue and $53.9K of net income per employee in its latest annual period. Revenue and earnings per employee gauge how efficiently a company turns headcount into output, and are most telling when tracked over time or compared with peers in the same industry.

Frequently asked questions

Thermo Fisher Scientific (TMO) Key Financials

Charts, filings, and peer comparison for every metric

Explore more

Deep-dives across the income statement, cash flow, capital return, and valuation

Overview

TMO Overview

Counters

Income Statement

Cash Flow

Capital Return

Forecast & Valuation

Operations

Employee Count