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Tetra Tech (TTEK) Q4 FY2026 earnings: revenue $1.3 billion, up 0.5% on the year

Tetra Tech Inc. (TTEK) announced its results for Q4 FY2026, the quarter ended 27 September 2026, on 12 November 2026. Revenue was $1.3 billion, up 0.5% on the same quarter a year earlier. Net income was $132 million, up 3.1% on the year, and diluted earnings per share $0.51. The figures are from the company's earnings press release; the 10-Q with the full statements is not filed yet, and this page fills in when it is.

Revenue
$1.3 billion
+0.5% on the year · +2.2% on the quarter
Q1 FY2025Q4 FY2026
Net income
$132 million
+3.1% on the year · +20.2% on the quarter
Q1 FY2025Q4 FY2026
Diluted EPS
$0.51
+6.3% on the year · +21.4% on the quarter
Q1 FY2025Q4 FY2026

this quarterthe same quarter a year earlierHover a bar for its figure.

What management said

Guidance figures: 4 new.

  • Fourth-quarter net revenue growth excluding disasters: Fourth-quarter net revenue was $1,152.9 million against $1,163.3 million a year earlier. Excluding episodic disaster response, net revenue increased 5%.
  • Fourth quarter against prior guidance ranges: The third-quarter release guided fourth-quarter net revenue to $1.12 billion to $1.17 billion and EPS to $0.45 to $0.48. Reported diluted EPS was $0.51 and adjusted EPS $0.49.
  • Backlog grew 13% year-over-year: Backlog rose about $180 million from the third-quarter release figure, and the company reports it up 13% from a year earlier.
Read the earnings call summary

The quarter, against the one before and a year earlier

LineQ4 FY2026Q3 FY2026Q4 FY2025Change on the year
Revenue1,3371,3091,330+0.5%
Net income132110128+3.1%
Diluted EPS$0.51$0.42$0.48+6.3%
$ million except per share.
Read moreQ4 FY2026 is from the company's press release of 12 November 2026; the other columns are from its 10-Q and 10-K filings. A release figure is shown when the release's own figure for an earlier quarter matches the filed one, so the line and its units are read right.

Quarterly results, the last 20 quarters filed

Q4 FY2021Q1 FY2022Q2 FY2022Q3 FY2022Q4 FY2022Q1 FY2023Q2 FY2023Q3 FY2023Q4 FY2023Q1 FY2024 †Q2 FY2024Q3 FY2024Q4 FY2024Q1 FY2025Q2 FY2025Q3 FY2025Q4 FY2025Q1 FY2026Q2 FY2026Q3 FY2026
Revenue8928598538909038951,1581,2091,2611,2281,2521,3441,3741,4211,3221,3701,3301,2111,2201,309
Cost of revenuen/an/an/an/an/an/an/an/an/an/an/an/an/a223218217167173171200
Gross profit144140135145156153171189212190207223245221214252274220214243
Gross margin16%16%16%16%17%17%15%16%17%16%17%17%18%16%16%18%21%18%18%19%
Operating income81.887.274.583.994.892.061.097.710711111812914322.539.6165181141132158
Operating margin9%10%9%9%11%10%5%8%9%9%9%10%10%2%3%12%14%12%11%12%
Interest expensen/an/an/an/an/an/an/an/an/a9.69.99.915.27.28.58.316.67.18.87.2
Pre-tax income78.684.371.481.011215569.182.894.410210811913515.331.1157174142127151
Tax rate-6%19%26%28%26%25%38%27%43%26%29%28%29%95%83%27%27%26%26%27%
Net income83.068.553.058.682.911742.860.253.675.076.485.896.20.75.411412810593.6110
Net margin9%8%6%7%9%13%4%5%4%6%6%6%7%0%0%8%10%9%8%8%
Diluted EPS$0.30$0.25$0.20$0.22$0.31$0.44$0.16$0.22$0.20$0.28$0.28$0.32$0.35$0.00$0.02$0.43$0.48$0.40$0.36$0.42
Operating cash flow77.882.495.198.460.225.287.91331229.210314110613.1-5.835010172.3165229
Capital expenditure2.31.54.12.82.25.05.37.09.63.44.03.96.83.45.94.05.24.26.03.8
Free cash flow75.580.991.095.658.020.282.61261135.898.913798.89.6-11.834695.668.1159225
Buybacks15.050.050.050.050.00.00.00.00.00.00.00.00.025.015025.050.050.052.0100
Dividends paid10.810.810.812.312.212.212.213.813.813.913.915.515.515.515.417.117.016.916.918.6
Shares outstanding270m270m268m267m265m266m266m266m266m267m267m268m268m268m264m263m261m261m260m256m
Filing10-K10-Q10-Q10-Q10-K10-Q10-Q10-Q10-K10-Q10-Q10-Q10-K10-Q10-Q10-Q10-K10-Q10-Q10-Q
Each quarter as filed, linked to its filing.
Read moreA quarter marked † is shown as the company last restated it in a later filing, so it compares with the quarters around it on one basis; rest on a figure for the one first filed. EPS is as filed. Money is in $ million as the company files it, or in $ billion by the switch above the tables; per share figures and the share count are as they are. Free cash flow is operating cash flow less capital expenditure; the effective tax rate is income tax over pre-tax income; margins are the line over revenue. Gross profit is revenue less cost of revenue, and operating income is revenue less the company's own total costs, where the statement does not print those lines. Cash flow lines filed year to date are the difference between two filings. Shares outstanding are at the period end where the balance sheet tags them, otherwise the count on the filing's cover page. A derived fourth-quarter EPS is left blank when a split in the year makes the arithmetic meaningless.

Earnings press release for the quarter ended 27 September 2026, filed with the SEC on 12 November 2026 with a Form 8-K: the release.