Tetra Tech (TTEK) Revenue (2009 - 2026)
Tetra Tech (TTEK) reported Revenue of $1.34 billion for fiscal Q4 2026 (quarter ended Sep 27, 2026), up 0.5% from $1.33 billion a year earlier and up 2.2% from the prior quarter.
Tetra Tech (TTEK) Revenue (2009 - 2026) Analysis & Trends
For FY2026 (ended Sep 27, 2026), Tetra Tech posted Revenue of $5.08 billion, down 6.7% from FY2025.
- Revenue has a five-year compound annual growth rate of 9.6% (FY2021 to FY2026).
- By fiscal year, Revenue came in at $5.44 billion in FY2025 (+4.7%), $5.2 billion in FY2024 (+15.0%), $4.52 billion in FY2023 (+29.1%) and $3.5 billion in FY2022 (+9.0%).
- The fiscal Q4 2026 figure ranks as the highest quarterly Revenue since fiscal Q3 2025.
- Year over year, Revenue gained in four of the last eight quarters, with an average decline of 0.8%.
- The high point for year-over-year Revenue in five years was fiscal Q4 2023 (growth of 39.7%); the low point was fiscal Q1 2026 (a decline of 14.8%).
- Per Business Quant data, the three fiscal quarters before Q4 2026 came in at $1.31 billion (Q3 2026), $1.22 billion (Q2 2026) and $1.21 billion (Q1 2026).
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Revenue (Qtr) |
|---|---|---|---|---|---|
| 1 | Accenture | 167.47 Bn | 126.56 Bn | 5.98 Bn | 18.68 Bn |
| 2 | Cintas | 90.39 Bn | 89.47 Bn | 1.55 Bn | 3.01 Bn |
| 3 | Iron Mountain | 33.89 Bn | 33.40 Bn | 1.06 Bn | 1.99 Bn |
| 4 | Rollins | 18.59 Bn | 18.13 Bn | 582.90 Mn | 1.09 Bn |
| 5 | APi | 18.49 Bn | 15.71 Bn | 770.00 Mn | 2.55 Bn |
| 6 | UL Solutions | 16.23 Bn | 14.26 Bn | 423.00 Mn | 823.00 Mn |
| 7 | Aramark | 14.21 Bn | 12.22 Bn | 430.34 Mn | 5.06 Bn |
| 8 | Gartner | 12.11 Bn | 5.60 Bn | 1.07 Bn | 1.50 Bn |
| 9 | Rentokil Initial | 12.07 Bn | 5.59 Bn | - | - |
| 10 | Tetra Tech | 9.94 Bn | 9.94 Bn | 265.89 Mn | 1.34 Bn |
Historic Data
| Date | Value |
|---|---|
| Sep 27, 2026 | 1.34 Bn |
| Jun 28, 2026 | 1.31 Bn |
| Mar 29, 2026 | 1.22 Bn |
| Dec 28, 2025 | 1.21 Bn |
| Sep 28, 2025 | 1.33 Bn |
| Jun 29, 2025 | 1.37 Bn |
| Mar 30, 2025 | 1.32 Bn |
| Dec 29, 2024 | 1.42 Bn |
| Sep 29, 2024 | 1.37 Bn |
| Jun 30, 2024 | 1.34 Bn |
| Mar 31, 2024 | 1.25 Bn |
| Dec 31, 2023 | 1.23 Bn |
| Oct 1, 2023 | 1.26 Bn |
| Jul 2, 2023 | 1.21 Bn |
| Apr 2, 2023 | 1.16 Bn |
| Jan 1, 2023 | 894.77 Mn |
| Oct 2, 2022 | 902.56 Mn |
| Jul 3, 2022 | 890.23 Mn |
| Apr 3, 2022 | 852.74 Mn |
| Jan 2, 2022 | 858.51 Mn |
Tetra Tech Revenue 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=revenue&ticker=TTEK&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "revenue", "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=revenue&ticker=TTEK&period=max&api_key=YOUR_API_KEY");
const data = await res.json();