Tetra Tech (TTEK) - Market capitalization

Market cap: €8.29 Billion

As of January 2026 Tetra Tech has a market cap of €8.29 Billion. This makes Tetra Tech the world's 2046th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.

Market cap history of Tetra Tech from 1996 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	€8.29 B	8.99%
2025	€7.61 B	-25.72%
2024	€10.24 B	27.45%
2023	€8.04 B	12.12%
2022	€7.17 B	-11.24%
2021	€8.07 B	59.6%
2020	€5.06 B	20.26%
2019	€4.20 B	68.12%
2018	€2.50 B	11.62%
2017	€2.24 B	-4.41%
2016	€2.34 B	67.38%
2015	€1.40 B	2.71%
2014	€1.36 B	4.06%
2013	€1.31 B	1.82%
2012	€1.28 B	23.63%
2011	€1.04 B	-10.56%
2010	€1.16 B	-0.01%
2009	€1.16 B	12.64%
2008	€1.03 B	20.06%
2007	€0.86 B	8.53%
2006	€0.79 B	4.99%
2005	€0.75 B	8.57%
2004	€0.69 B	-35.23%
2003	€1.07 B	72.78%
2002	€0.62 B	-47.31%
2001	€1.18 B	-13.35%
2000	€1.36 B	131.9%
1999	€0.58 B	-10.15%
1998	€0.65 B	74.26%
1997	€0.37 B	58.34%
1996	€0.23 B

End of Day market cap according to different sources

On Jan 19th, 2026 the market cap of Tetra Tech was reported to be:

€8.29 Billion

by Nasdaq

€8.29 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
AECOM ACM	€11.08 B	33.62%	🇺🇸 USA
Hill International HIL	€0.16 B	-98.01%	🇺🇸 USA
Clean Harbors CLH	€12.07 B	45.50%	🇺🇸 USA
Waste Management WM	€75.96 B	815.63%	🇺🇸 USA
ICF International ICFI	€1.51 B	-81.70%	🇺🇸 USA
Great Lakes Dredge & Dock Corp. GLDD	€0.86 B	-89.56%	🇺🇸 USA
MYR Group MYRG	€3.31 B	-60.07%	🇺🇸 USA

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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Market capitalization of Tetra Tech (TTEK)

Market cap: €8.29 Billion