Company Overview

Tetra Tech is the kind of company that rarely trends on social media. It provides engineering, consulting, and technical services in water, the environment, and resilient infrastructure, working for governments and large private clients on projects such as water supply and treatment, coastal protection, environmental cleanup, and defense facilities. With more than 25,000 employees, it earns its money from contracts that are planned years ahead, which is why its backlog matters as much as any single quarter.

Wednesday after the close, Tetra Tech reported fiscal fourth-quarter and full-year 2026 results. Adjusted EPS for the quarter was $0.49, above the top of its own $0.45 to $0.48 guidance and the roughly $0.47 analysts expected, and a record GAAP EPS of $0.51. For the full year, adjusted EPS was $1.60, above the $1.56 to $1.59 range the company had raised its outlook to in July, and net revenue was $4.35 billion. Backlog ended the year at $4.67 billion, up 13% from a year earlier and up more than $530 million.

The company also gave its first look at fiscal 2027, with EPS of $1.65 to $1.80 and net revenue of $4.425 billion to $4.625 billion, raised its dividend 11%, and announced it has $798 million remaining under its buyback authorization. CEO Roger Argus said the growth in backlog “gives us confidence in continued revenue growth and further margin expansion.”

Key Technical and Fundamental Drivers

A Record Quarter That Beat Its Own Guidance → Adjusted EPS of $0.49 vs. $0.45 to $0.48
Fourth-quarter adjusted EPS rose 9% from a year ago, and net revenue of $1.15 billion was within the company’s $1.12 billion to $1.17 billion forecast. Full-year adjusted EPS of $1.60 was a record and above the guidance range. Reported full-year EPS was $1.69 versus $0.93 last year, but that comparison is flattered by a $115 million legal charge and a $92 million goodwill impairment in the prior year, so the adjusted figure is the cleaner measure.

Backlog Up 13% → A Year of Wins Across Government and Commercial Work
Backlog of $4.67 billion compares with $4.14 billion a year ago and $4.49 billion at the end of the third quarter. Recent wins listed in the release include a $1.4 billion NASA enterprise logistics blanket purchase agreement, a $145 million U.S. Navy engineering contract, a $141 million EPA water infrastructure assessment contract, and an $85 million Army Corps of Engineers contract in Europe. Several of these are multiple-award contracts, which means the ceiling is shared among winners and revenue depends on task orders, but they show the breadth of demand across water, defense, and environmental programs.

Margins and Cash Flow → Adjusted EBITDA Margin Up 90 Basis Points
Fourth-quarter adjusted EBITDA was $194 million, about 17% of net revenue, and the margin rose 90 basis points from a year earlier. Full-year adjusted EBITDA of $660 million also reflects a 90 basis point margin improvement. Operating cash flow for the year was $523 million, up 14%. A services company that is expanding margins while backlog grows is converting its work into higher-quality earnings.

Capital Return → Dividend Up 11%, Buyback Capacity Expanded
The quarterly dividend rose to $0.072 per share, an 11% increase and the 46th consecutive double-digit increase, and the company repurchased $302 million of stock during the fiscal year, including $100 million in the fourth quarter. The share count fell from about 261 million to 253 million. The remaining buyback authorization grew to $798 million from $398 million at the end of the third quarter, which means the board added capacity rather than just using what was there.

Fiscal 2027 Outlook → A Steady Rather Than Dramatic Forecast
Guidance for fiscal 2027 calls for EPS of $1.65 to $1.80, roughly 3% to 12% above fiscal 2026’s adjusted $1.60, and net revenue of $4.425 billion to $4.625 billion, about 2% to 6% above the $4.35 billion just reported. First-quarter guidance is EPS of $0.36 to $0.38 on net revenue of $1.04 billion to $1.08 billion. The range is wide, but management tied its confidence to the backlog.

Market Takeaway

Tetra Tech is a steady compounder. The company beat its own guidance, grew backlog by double digits, expanded margins, raised its dividend, and expanded its buyback, and it did it without relying on a single hot theme. Water infrastructure, environmental programs, and resilient design are long-running priorities for governments, and those priorities are what the backlog represents.

The risks are plain. The fiscal 2027 outlook is modest, with the low end implying only about 3% EPS growth, and fourth-quarter net revenue of $1.15 billion was within guidance but a little below the roughly $1.17 billion analysts had modeled. The company lists concentration in U.S. government agencies and potential funding disruptions as risk factors, and last year’s wind-down of USAID work shows how funding shifts can change revenue quickly. Acquisitions add integration risk, with $192 million spent this year on top of about $2.2 billion of goodwill on the balance sheet, and multiple-award contracts do not guarantee revenue. For readers watching Friday’s session, Tetra Tech is a way to follow infrastructure and water spending through a company with record earnings, a growing backlog, and a dividend streak, with the main question being whether steady growth is enough to hold investor interest.