Tetra Tech, Inc.

TTEKActive

CIK 831641 · Environmental Engineering & Consulting

Tetra Tech, Inc. is a public company in Engineering & Construction, tracked in the environmental engineering, consulting, and infrastructure services sub-sector, with $4.9B TTM revenue and $673M TTM EBITDA.

Market data as of May 10, 2026

Financials: LTM / latest available company filings

Sources: FMP, TTEK filings, SEC EDGAR

$7,861

Market cap ($MM)

$8,747

Enterprise value ($MM)

$4,914

Revenue · LTM ($MM)

$673

EBITDA · LTM ($MM)

14%

EBITDA margin

1.8x

EV / revenue

13.0x

EV / EBITDA

1.0x

Net debt / EBITDA

Coverage

Coverage view

The analytical read on the name and the balance-sheet capacity behind the program.

Key points

01TTEK is a scaled public consolidator in Env Engineering, a benchmark for how the sub-sector buys, pays, and trades.
02The relevant peer set is ACM, PWR, J, KBR, EME, GVA.

Balance sheet & capacity

Indicative capacity read: 1.0x net debt / EBITDA with EBITDA of $673MM.

$224

Cash & equiv. ($MM)

$883

Total debt ($MM)

$659

Net debt ($MM)

1.0x

Net debt / EBITDA

Valuation

Where it trades against its peer set

TTEK versus the scaled public Environmental Engineering & Consulting comparables.

EV / EBITDA distribution · peer set

TTEK 13.0x

Indexed share-price performance

TTEK versus available Environmental Engineering & Consulting peers and SPY.

+16%

TTEK

+12%

Peer med.

+79%

SPY

Indexed to 100 from May 28, 2021 through May 26, 2026. Source: FMP month-end close history.

Company	Ticker	Revenue ($MM)	EBITDA ($MM)	Margin	Market cap ($MM)	EV ($MM)	EV / rev	EV / EBITDA	Net debt / EBITDA
Tetra Tech, Inc.	TTEK	$4,914	$673	14%	$7,861	$8,747	1.8x	13.0x	1.0x
Aecom	ACM	$15,956	$1,267	8%	$10,419	$13,009	0.8x	10.3x	1.4x
Jacobs Solutions Inc.	J	$13,172	$894	7%	$13,984	$17,170	1.3x	19.2x	3.0x
KBR, Inc.	KBR	$7,691	$927	12%	$4,126	$6,557	0.9x	7.1x	2.4x
EMCOR Group, Inc.	EME	$17,751	$2,033	11%	$41,043	$40,643	2.3x	20.0x	-0.3x
Granite Construction Inc.	GVA	$4,637	$482	10%	$6,207	$7,305	1.6x	15.2x	2.0x
BrightView Holdings, Inc.	BV	$2,729	$328	12%	$1,209	$2,101	0.8x	6.4x	2.5x
Willdan Group, Inc.	WLDN	$684	$65	9%	$1,308	$1,349	2.0x	20.8x	0.3x
Environmental Engineering & Consulting median		$6,302	$784	11%	$7,034	$8,026	1.4x	14.1x	1.7x

Financials via Financial Modeling Prep (SEC-derived TTM). EV/EBITDA distribution: each dot a live peer, band = interquartile range, line = median. Impossible values (EBITDA > revenue, negative-EBITDA multiples) shown NM.

M&A program

A sustained, programmatic tuck-in cadence

TTEK's disclosed acquisition footprint and the deals behind it.

Disclosed acquisitions

Active years

Named deals

Avg / active year

2.1

Acq. cash outflow ($MM)

N/A

Banker read

01TTEK reads as a programmatic acquirer: 40 disclosed acquisitions across 19 active years, or 2.1 per active year. The chart shows activity in 9 of the last 12 visible years.
02In the last three years, the file shows 6 acquisitions versus 10 in the prior three; recent activity has cooled versus the prior three-year period.
03Spend changes the read: $2.3B of disclosed spend is concentrated in lumpy years, with FY23 the largest year at $854MM. Recent spend is above the prior three-year period.

Annual acquisitions + disclosed spend

count spend named deal

TTEK count bars show acquisition cadence; the spend line shows when the program required larger capital deployment.

Program diagnostics

Recent / prior

6 / 10

Last three years is down 40% vs prior three.

Peak count year

FY21

4 disclosed acquisitions in the peak visible year.

Recent spend

$1.0B

is up 416% vs prior three; peak FY23 at $854MM.

Named evidence

5 rows

13% selected source-cited transaction coverage.

Selected transactions

Date	Target	Segment	Consideration ($MM)	Strategic rationale	Source
Jan 23, 2023	RPS Group plc	Environmental engineering, consulting, and infrastructure services	$784	On September 23, 2022, we made an all-cash offer to acquire all of the outstanding shares of RPS Group plc ("RPS"), a publicly traded company on the London Stock Exchange for 22...	10-K^†
2025	Amyx, Inc.	Environmental engineering, consulting, and infrastructure services	$121	In fiscal 2023, we also acquired Amyx, Inc. (“Amyx”), an enterprise technology services, cybersecurity and management consulting firm based in Reston, Virginia. With over 500 em...	10-K^†
2023	Amyx, Inc.	Environmental engineering, consulting, and infrastructure services	$121	In fiscal 2023, we also acquired Amyx, Inc. (“Amyx”), an enterprise technology services, cybersecurity and management consulting firm based in Reston, Virginia. With over 500 em...	10-K^†
2021	Segue Technologies, Inc. and BlueWater Federal Solutions, Inc.	Environmental engineering, consulting, and infrastructure services	$89	In fiscal 2020, we acquired Segue Technologies, Inc. ("SEG"), a leading information technology management consulting firm based in Arlington, Virginia, and BlueWater Federal Sol...	10-K^†
Sep 30, 2016	Coffey International Limited	Environmental engineering, consulting, and infrastructure services	$76	In the fiscal 2016, we acquired control of Coffey International Limited ("Coffey"), headquartered in Sydney, Australia. Coffey had approximately 3,300 staff delivering technical...	10-K^†

Acquisitions disclosed/extracted from SEC filings; not necessarily full M&A history. Disclosed acquisition cash outflow is cumulative "payments for acquisitions, net of cash acquired" from the 10-K cash-flow statements (a cash outflow, not deal value). Built on 10 SEC-backed facts across 5 cited filings.

Evidence

Source archive

A collapsed investigation trail for the SEC filings behind the financials, annual M&A cadence, named transactions, and management language.

Annual 10-Ks

Named deal filings

Recent SEC filings

Evidence clips

Annual 10-K M&A evidenceAccepted annual filings used for disclosed acquisition count and spend.20 rows+

Fiscal year	Filing date	Form	Status	Count	Cash spend	Purchase consideration	Source
FY2025	Nov 20, 2025	Annual M&A 10-K	quarantined (1 issue)	2	$97.3MM	$147MM	SEC filing
FY2024	Nov 19, 2024	Annual M&A 10-K	quarantined (1 issue)	2	$93.7MM	$120MM	SEC filing
FY2023	Nov 22, 2023	Annual M&A 10-K	accepted	2	$854MM	$905MM	SEC filing
FY2022	Nov 25, 2022	Annual M&A 10-K	quarantined (1 issue)	4	$49.1MM	$88.3MM	SEC filing
FY2021	Nov 24, 2021	Annual M&A 10-K	quarantined (1 issue)	4	$84.9MM	$152MM	SEC filing
FY2020	Nov 23, 2020	Annual M&A 10-K	quarantined (2 issue)	2	$68.5MM	$89.4MM	SEC filing
FY2019	Nov 29, 2019	Annual M&A 10-K	quarantined (1 warn, 1 issue)	2	$84.2MM	$103MM	SEC filing
FY2018	Nov 16, 2018	Annual M&A 10-K	warning (1 warn)	2	$68.3MM	$94.5MM	SEC filing
FY2017	Nov 20, 2017	Annual M&A 10-K	warning (1 warn)	N/A	$8.0MM	N/A	SEC filing
FY2016	Nov 22, 2016	Annual M&A 10-K	quarantined (1 warn, 1 issue)	2	$81.3MM	N/A	SEC filing
FY2015	Nov 20, 2015	Annual M&A 10-K	warning (1 warn)	N/A	$11.7MM	N/A	SEC filing
FY2014	Nov 19, 2014	Annual M&A 10-K	warning (1 warn)	N/A	$30.2MM	N/A	SEC filing
FY2013	Nov 20, 2013	Annual M&A 10-K	warning (1 warn)	N/A	$171MM	N/A	SEC filing
FY2012	Nov 15, 2012	Annual M&A 10-K	warning (1 warn)	N/A	$55.0MM	N/A	SEC filing
FY2011	Nov 17, 2011	Annual M&A 10-K	warning (1 warn)	N/A	$270MM	N/A	SEC filing
FY2010	Nov 16, 2010	Annual M&A 10-K	warning (1 warn)	N/A	$78.9MM	N/A	SEC filing
FY2009	Nov 16, 2009	Annual M&A 10-K	warning (1 warn)	N/A	$115MM	N/A	SEC filing
FY2008	Nov 19, 2008	Annual M&A 10-K	accepted	N/A	N/A	N/A	SEC filing
FY2007	Nov 27, 2007	Annual M&A 10-K	quarantined (1 warn, 1 issue)	7	$31.3MM	N/A	SEC filing
FY2004	Jan 3, 2005	Annual M&A 10-K	accepted	N/A	N/A	N/A	SEC filing

Named transaction source filingsFilings behind selected named-deal rows and transaction excerpts.4 rows+

Filing date	Form	Targets / topics	Support	Source
Nov 20, 2025	10-K	RPS Group plc; Amyx, Inc.	Annual M&ANamed deals	SEC filing
Nov 22, 2023	10-K	Amyx, Inc.	Annual M&ANamed deals	SEC filing
Nov 24, 2021	10-K	Segue Technologies, Inc. and BlueWater Federal Solutions, Inc.	Annual M&ANamed deals	SEC filing
Nov 16, 2018	10-K	Coffey International Limited	Annual M&ANamed deals	SEC filing

Recent SEC filingsThe latest profile filings, kept separate so someone can investigate beyond M&A.10 rows+

Filing date	Form	Items	Description	Support	Source
May 1, 2026	10-Q	N/A	10-Q	FinancialsRecent SEC	SEC filing
May 1, 2026	10-Q	N/A	Quarterly report from SEC company index	Recent SEC	SEC filing
Apr 29, 2026	8-K	2.02,8.01,9.01	FORM 8-K	Recent SEC	SEC filing
Mar 26, 2026	8-K	5.02,8.01,9.01	FORM 8-K	Recent SEC	SEC filing
Feb 20, 2026	8-K	5.02,5.07,9.01	FORM 8-K	Recent SEC	SEC filing
Jan 30, 2026	10-Q	N/A	10-Q	Recent SEC	SEC filing
Jan 28, 2026	8-K	2.02,8.01,9.01	FORM 8-K	Recent SEC	SEC filing
Jan 9, 2026	DEFA14A	N/A	DEFA14A	Recent SEC	SEC filing
Jan 9, 2026	DEF 14A	N/A	FORM DEF 14A	Recent SEC	SEC filing
Jan 6, 2026	8-K	5.02,8.01,9.01	FORM 8-K	Recent SEC	SEC filing

Evidence clipsShort excerpts used on the page; expand only when you want the language.5 rows+

RPS Group plc

10-K - Nov 20, 2025

Medium

On September 23, 2022, we made an all-cash offer to acquire all of the outstanding shares of RPS Group plc ("RPS"), a publicly traded company on the London Stock Exchange for 222 pence per share, through a scheme of arr…

SEC source

Amyx, Inc.

10-K - Nov 20, 2025

Medium

In fiscal 2023, we also acquired Amyx, Inc. (“Amyx”), an enterprise technology services, cybersecurity and management consulting firm based in Reston, Virginia. With over 500 employees, Amyx provides application moderni…

SEC source

Amyx, Inc.

10-K - Nov 22, 2023

Medium

SEC source

Segue Technologies, Inc. and BlueWater Federal Solutions, Inc.

10-K - Nov 24, 2021

Medium

In fiscal 2020, we acquired Segue Technologies, Inc. ("SEG"), a leading information technology management consulting firm based in Arlington, Virginia, and BlueWater Federal Solutions, Inc. ("BWF"), a leading informatio…

SEC source

Coffey International Limited

10-K - Nov 16, 2018

Medium

In the fiscal 2016, we acquired control of Coffey International Limited ("Coffey"), headquartered in Sydney, Australia. Coffey had approximately 3,300 staff delivering technical and engineering solutions in internationa…

SEC source

Annual M&A counts and disclosed spend are extracted from SEC acquisition disclosures and cash-flow statements; named-deal rows carry direct filing links where the filing identifies the target or consideration.

Search

Coverage view

Where it trades against its peer set

A sustained, programmatic tuck-in cadence

Source archive