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Amortization - IntangiblesConsolidated Net IncomeCost of RevenueDepreciation & Amortization - TotalEBITEBITDAEBTEPS (Basic)EPS (Weighted Average and Diluted)Gross ProfitIncome from Continuing OperationsIncome from Non-Controlling InterestsIncome towards Parent CompanyInterest & Investment IncomeInterest ExpensesInterest ExpensesNet Income towards Common StockholdersNon Operating IncomeOperating ExpensesOperating IncomeOther Non Operating IncomeOther Operating ExpensesProfit After TaxRevenueShares OutstandingShares Outstanding (Diluted Average)Shares Outstanding (Weighted Average)Tax ProvisionsTax RateTax Rate
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Tetra Tech (TTEK) Tax Rate (2016 - 2026)

Tetra Tech has reported Tax Rate over the past 18 years, most recently at 26.34% for Q1 2026.

  • Quarterly Tax Rate fell 5627.0% to 26.34% in Q1 2026 from the year-ago period, while the trailing twelve-month figure was 26.55% through Mar 2026, down 1084.0% year-over-year, with the annual reading at 34.34% for FY2025, 628.0% up from the prior year.
  • Tax Rate was 26.34% for Q1 2026 at Tetra Tech, up from 25.68% in the prior quarter.
  • Over five years, Tax Rate peaked at 94.92% in Q4 2024 and troughed at 18.76% in Q1 2022.
  • The 5-year median for Tax Rate is 27.29% (2023), against an average of 34.8%.
  • Year-over-year, Tax Rate surged 6879bps in 2024 and then tumbled -6924bps in 2025.
  • A 5-year view of Tax Rate shows it stood at 25.99% in 2022, then grew by 1bps to 26.13% in 2023, then soared by 263bps to 94.92% in 2024, then crashed by -73bps to 25.68% in 2025, then increased by 3bps to 26.34% in 2026.
  • Per Business Quant, the three most recent readings for TTEK's Tax Rate are 26.34% (Q1 2026), 25.68% (Q4 2025), and 26.72% (Q3 2025).