Tetra Tech (TTEK) Stock Analysis

November 11, 2026

This is a peer-relative look at Tetra Tech (TTEK): its performance, risk, profitability, growth, financial strength, dividend, and valuation are each measured against its Commercial & Professional Services peers, so every number reads in context rather than in isolation.

Company Profile

Company profile fields for Tetra Tech (TTEK)
Profile Item	TTEK
Name	Tetra Tech Inc.
Country/Region	United States
GICS Sector	Industrials
GICS Industry Group	Commercial & Professional Services
GICS Industry	Commercial Services & Supplies
GICS Sub-Industry	Environmental & Facilities Services
Market Capitalization	10.32 billion USD
Currency	USD
Exchange	Nasdaq
Listing Date	December 17, 1991
Security Type	Common Stock

Price Performance

Cumulative Growth

TTEK

GSPC

Tetra Tech (TTEK) vs. S&P 500 (GSPC): Growth of a $10,000 investment over the past five years. Adjusted for dividends and splits.

Trailing Returns

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Trailing total returns for Tetra Tech (TTEK) and S&P 500 (GSPC). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for Tetra Tech (TTEK) and S&P 500 (GSPC). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Tetra Tech (TTEK) metric values compared with Commercial & Professional Services industry-group medians
Metric	Current stock: TTEK	Industry group median
Total Return (1Y)	29.45%	10.68%
Total Return (3Y, Annualized)	11.17%	12.68%
Total Return (5Y, Annualized)	3.89%	3.62%

Risk Profile

Drawdown History

TTEK

GSPC

Tetra Tech (TTEK) vs. S&P 500 (GSPC): Drawdown from the running peak over the past five years. Each line shows the decline from its prior peak; 0% marks a new high.

Return Distribution

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Distribution of monthly total returns for Tetra Tech (TTEK) and S&P 500 (GSPC). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Tetra Tech (TTEK) metric values compared with Commercial & Professional Services industry-group medians
Metric	Current stock: TTEK	Industry group median
Volatility (1Y, Annualized)	37.39%	42.02%
Beta (5Y)	0.84	0.79
Max Drawdown (5Y)	-47.50%	-54.59%

Risk-Adjusted Performance

Risk-Return Positioning

Each dot is a stock plotted by 1-year volatility (risk) and 1-year return. TTEK is highlighted; the dashed line is the Capital Allocation Line from the risk-free rate through the industry median — dots above it are stronger on a risk-adjusted basis.

Risk-Adjusted Metrics

Tetra Tech (TTEK) metric values compared with Commercial & Professional Services industry-group medians
Metric	Current stock: TTEK	Industry group median
Sharpe Ratio (1Y)	0.67	0.19
Sortino Ratio (1Y)	1.02	0.27

Profitability

ROE (TTM)

Tetra Tech (TTEK) posts ROE of 24.30%, roughly around the peer group’s normal range. Shareholders’ equity is producing a return that looks broadly typical for the industry.

TTEK

Commercial & Professional Services industry group

24.30%

Group distribution

Max: 47.06%
Q3: 25.43%
TTEK: 24.30%
Median: 14.11%
Q1: 3.92%
Min: -20.15%

Largest peers

RELX: 131.86%
ADP: 78.94%
CTAS: 41.38%
WM: 31.68%
TTEK: 24.30%
RSG: 18.48%
TRI: 14.11%

Where Tetra Tech (TTEK) stands on ROE within its Commercial & Professional Services peer group — the box is the group’s distribution and the dots its largest members.

Net Margin (TTM)

Tetra Tech (TTEK) keeps 10.00% of revenue as net profit, roughly in line with the peer group’s normal net margin range. Its full cost stack is taking a typical share of sales for the industry.

TTEK

Commercial & Professional Services industry group

10.00%

Group distribution

Max: 23.28%
Q3: 11.35%
TTEK: 10.00%
Median: 5.65%
Q1: 0.87%
Min: -8.60%

Largest peers

RELX: 23.27%
ADP: 20.33%
TRI: 19.69%
CTAS: 17.82%
RSG: 12.92%
WM: 11.78%
TTEK: 10.00%

Where Tetra Tech (TTEK) stands on net margin within its Commercial & Professional Services peer group — the box is the group’s distribution and the dots its largest members.

Operating Margin (TTM)

Tetra Tech (TTEK) turns 14.25% of revenue into operating profit, roughly in line with the peer group’s normal operating margin range. Its core cost structure looks typical for the industry.

TTEK

Commercial & Professional Services industry group

14.25%

Group distribution

Max: 38.50%
Q3: 18.84%
TTEK: 14.25%
Median: 10.40%
Q1: 5.59%
Min: -12.00%

Largest peers

RELX: 32.01%
ADP: 26.73%
CTAS: 24.10%
TRI: 21.93%
RSG: 20.29%
WM: 19.08%
TTEK: 14.25%

Where Tetra Tech (TTEK) stands on operating margin within its Commercial & Professional Services peer group — the box is the group’s distribution and the dots its largest members.

Profitability Metrics

Tetra Tech (TTEK) metric values compared with Commercial & Professional Services industry-group medians
Metric	Current stock: TTEK	Industry group median
ROE (TTM)	24.30%	14.11%
ROA (TTM)	8.54%	5.83%
Net Margin (TTM)	10.00%	5.65%
Operating Margin (TTM)	14.25%	10.40%
Gross Margin (TTM)	21.84%	36.58%

Growth

Revenue Growth

Tetra Tech (TTEK) grew revenue 4.69%, roughly around the peer group's normal range. Top-line momentum looks broadly typical for the industry.

Tetra Tech (TTEK): Revenue Growth across different time periods, set against Commercial & Professional Services industry-group medians.

EPS Growth

Tetra Tech (TTEK) grew earnings per share -24.39%, roughly around the peer group's normal range. Bottom-line momentum looks broadly typical for the industry.

Tetra Tech (TTEK): EPS Growth across different time periods, set against Commercial & Professional Services industry-group medians.

Growth Metrics

Tetra Tech (TTEK) metric values compared with Commercial & Professional Services industry-group medians
Metric	Current stock: TTEK	Industry group median
Revenue Growth (YoY)	4.69%	6.05%
Revenue Growth (3Y CAGR)	15.81%	6.33%
EPS Growth (YoY)	-24.39%	5.05%
EPS Growth (3Y CAGR)	-1.46%	9.63%

Financial Strength

Current Ratio (MRQ)

Tetra Tech (TTEK) has current ratio of 1.18, in the healthier middle range for its industry. The short-term asset cushion looks balanced relative to peers rather than stretched thin.

TTEK

Commercial & Professional Services industry group

1.18

Group distribution

Max: 3.63
Q3: 2.14
Median: 1.55
TTEK: 1.18
Q1: 1.09
Min: 0.45

Largest peers

CTAS: 1.45
TTEK: 1.18
TRI: 1.08
ADP: 1.03
WM: 0.82
RSG: 0.75
RELX: 0.45

Where Tetra Tech (TTEK) stands on current ratio within its Commercial & Professional Services peer group — the box is the group’s distribution and the dots its largest members.

Debt / Equity (MRQ)

Tetra Tech (TTEK) has debt-to-equity ratio of 0.55, roughly in line with the peer group’s normal leverage range. Its mix of debt and equity looks typical for the industry.

TTEK

Commercial & Professional Services industry group

0.55

Group distribution

Max: 2.37
Q3: 1.25
Median: 0.88
TTEK: 0.55
Q1: 0.35
Min: 0.00

Largest peers

RELX: 7.10
WM: 2.37
RSG: 1.17
ADP: 1.10
TTEK: 0.55
CTAS: 0.52
TRI: 0.36

Where Tetra Tech (TTEK) stands on debt-to-equity ratio within its Commercial & Professional Services peer group — the box is the group’s distribution and the dots its largest members.

Financial Strength Metrics

Tetra Tech (TTEK) metric values compared with Commercial & Professional Services industry-group medians
Metric	Current stock: TTEK	Industry group median
Current Ratio (MRQ)	1.18	1.55
Debt / Equity (MRQ)	0.55	0.88
Net Debt / EBITDA	1.21	2.51

Dividends

Dividend Yield (TTM)

Tetra Tech (TTEK) has dividend yield of 0.66%, in the industry’s normal income range. It provides a meaningful dividend without the red flag of an unusually high headline yield.

TTEK

Commercial & Professional Services industry group

0.66%

Group distribution

Max: 4.33%
Q3: 1.80%
TTEK: 0.66%
Median: 0.60%
Q1: 0.00%
Min: 0.00%

Largest peers

ADP: 2.21%
TRI: 2.18%
RELX: 1.66%
WM: 1.52%
RSG: 1.02%
CTAS: 0.83%
TTEK: 0.66%

Where Tetra Tech (TTEK) stands on dividend yield within its Commercial & Professional Services peer group — the box is the group’s distribution and the dots its largest members.

Dividend Payout Ratio (TTM)

Tetra Tech (TTEK) has payout ratio of 16.08%, within the industry’s typical payout band. The dividend shares profits with investors while leaving earnings coverage that looks normal for the peer group.

TTEK

Commercial & Professional Services industry group

16.08%

Group distribution

Max: 99.58%
Q3: 41.99%
Median: 17.27%
TTEK: 16.08%
Q1: 0.00%
Min: -17.94%

Largest peers

TRI: 79.09%
ADP: 60.28%
RELX: 53.59%
WM: 48.03%
CTAS: 36.88%
RSG: 35.25%
TTEK: 16.08%

Where Tetra Tech (TTEK) stands on payout ratio within its Commercial & Professional Services peer group — the box is the group’s distribution and the dots its largest members.

Dividend Metrics

Tetra Tech (TTEK) metric values compared with Commercial & Professional Services industry-group medians
Metric	Current stock: TTEK	Industry group median
Dividend Yield (TTM)	0.66%	0.60%
Dividend Payout Ratio (TTM)	16.08%	17.27%

Valuation

P/E Ratio (TTM)

Tetra Tech (TTEK) trades at P/E ratio of 24.27, near the industry’s usual earnings multiple. The stock is not showing a clear peer discount or premium on trailing earnings.

TTEK

Commercial & Professional Services industry group

24.27

Group distribution

Max: 49.47
Q3: 33.76
TTEK: 24.27
Median: 24.16
Q1: 16.01
Min: 1.89

Largest peers

CTAS: 43.86
TRI: 34.53
RSG: 34.19
WM: 31.01
ADP: 26.89
TTEK: 24.27
RELX: 24.05

Where Tetra Tech (TTEK) stands on P/E ratio within its Commercial & Professional Services peer group — the box is the group’s distribution and the dots its largest members.

P/S Ratio (TTM)

Tetra Tech (TTEK) trades at 2.37 on P/S ratio, roughly in the peer group’s normal range. The market is not making a strong cheap-or-rich statement about its revenue base.

TTEK

Commercial & Professional Services industry group

2.37

Group distribution

Max: 7.17
Q3: 3.35
TTEK: 2.37
Median: 1.33
Q1: 0.69
Min: 0.11

Largest peers

CTAS: 7.64
RELX: 7.17
TRI: 6.09
ADP: 5.38
RSG: 4.36
WM: 3.60
TTEK: 2.37

Where Tetra Tech (TTEK) stands on P/S ratio within its Commercial & Professional Services peer group — the box is the group’s distribution and the dots its largest members.

P/B Ratio (MRQ)

Tetra Tech (TTEK) trades at 5.57 on P/B ratio, roughly in line with the industry’s normal price-to-book range. Its balance sheet is not being priced at a clear discount or premium versus peers.

TTEK

Commercial & Professional Services industry group

5.57

Group distribution

Max: 11.25
Q3: 6.08
TTEK: 5.57
Median: 2.92
Q1: 1.55
Min: -2.78

Largest peers

RELX: 169.44
ADP: 23.57
CTAS: 17.07
WM: 9.52
RSG: 6.15
TTEK: 5.57
TRI: 4.35

Where Tetra Tech (TTEK) stands on P/B ratio within its Commercial & Professional Services peer group — the box is the group’s distribution and the dots its largest members.

Valuation Metrics

Tetra Tech (TTEK) metric values compared with Commercial & Professional Services industry-group medians
Metric	Current stock: TTEK	Industry group median
P/E Ratio (TTM)	24.27	24.16
P/S Ratio (TTM)	2.37	1.33
P/B Ratio (MRQ)	5.57	2.92
Free Cash Flow Yield (TTM)	3.84%	5.35%