Tetra Tech (TTEK) Gross Margin (2015 - 2026)
Tetra Tech (TTEK) reported Gross Margin of 18.59% for fiscal Q3 2026 (quarter ended Jun 28, 2026), up 0.22 percentage points from 18.36% a year earlier and up 1.04 percentage points from the prior quarter.
Tetra Tech (TTEK) Gross Margin (2015 - 2026) Analysis & Trends
Over the twelve months ended Jun 28, 2026, Tetra Tech's Gross Margin came in at 18.78%, up 1.78 percentage points year-over-year; for FY2025 (ended Sep 28, 2025), it was 17.66%, up 1.00 percentage points from FY2024.
- Gross Margin has a five-year change of +2.75 percentage points (FY2020 to FY2025).
- By fiscal year, Gross Margin came in at 16.67% in FY2024 (+0.64 pp), 16.03% in FY2023 (-0.39 pp), 16.43% in FY2022 (+0.92 pp) and 15.51% in FY2021 (+0.60 pp).
- Five-year quarterly Gross Margin spans a low of 14.75% in fiscal Q2 2023 and a high of 20.61% in fiscal Q4 2025.
- Year over year, Gross Margin has now increased in each of the last five quarters, with an average year-over-year change of +1.18 percentage points over the last eight quarters.
- The high point for year-over-year Gross Margin in five years was fiscal Q4 2025 (a gain of 2.77 percentage points); the low point was fiscal Q1 2024 (a drop of 1.62 percentage points).
- Per Business Quant data, the three fiscal quarters before Q3 2026 came in at 17.55% (Q2 2026), 18.20% (Q1 2026) and 20.61% (Q4 2025).
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Gross Margin (Qtr) |
|---|---|---|---|---|---|
| 1 | Accenture | 116.45 Bn | 76.86 Bn | 6.13 Bn | 32.77% |
| 2 | Cintas | 80.26 Bn | 79.45 Bn | 1.48 Bn | 50.95% |
| 3 | Iron Mountain | 33.05 Bn | 32.57 Bn | 1.07 Bn | 52.76% |
| 4 | APi | 16.57 Bn | 13.61 Bn | 703.00 Mn | 31.19% |
| 5 | Rollins | 14.72 Bn | 14.26 Bn | 569.95 Mn | 52.84% |
| 6 | Aramark | 14.30 Bn | 12.32 Bn | 430.34 Mn | 8.51% |
| 7 | UL Solutions | 13.09 Bn | 11.87 Bn | 417.00 Mn | 51.10% |
| 8 | Gartner | 11.73 Bn | 5.42 Bn | 1.19 Bn | 70.95% |
| 9 | Rentokil Initial | 10.36 Bn | 3.71 Bn | - | - |
| 10 | Tetra Tech | 8.68 Bn | 7.79 Bn | 243.21 Mn | 18.59% |
Historic Data
| Date | Value |
|---|---|
| Jun 28, 2026 | 18.59% |
| Mar 29, 2026 | 17.55% |
| Dec 28, 2025 | 18.20% |
| Sep 28, 2025 | 20.61% |
| Jun 29, 2025 | 18.36% |
| Mar 30, 2025 | 16.20% |
| Dec 29, 2024 | 15.59% |
| Sep 29, 2024 | 17.85% |
| Jun 30, 2024 | 16.60% |
| Mar 31, 2024 | 16.58% |
| Dec 31, 2023 | 15.51% |
| Oct 1, 2023 | 16.82% |
| Jul 2, 2023 | 15.62% |
| Apr 2, 2023 | 14.75% |
| Jan 1, 2023 | 17.13% |
| Oct 2, 2022 | 17.29% |
| Jul 3, 2022 | 16.24% |
| Apr 3, 2022 | 15.85% |
| Jan 2, 2022 | 16.28% |
| Oct 3, 2021 | 16.13% |
Tetra Tech Gross Margin API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=gross-margin&ticker=TTEK&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "gross-margin", "ticker": "TTEK", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=gross-margin&ticker=TTEK&period=max&api_key=YOUR_API_KEY");
const data = await res.json();