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ADP vs. TTEK: Automatic Data Processing vs. Tetra Tech Stock Comparison

How do Automatic Data Processing (ADP) and Tetra Tech (TTEK) stack up? This page sets them side by side across company profile, performance and risk, profitability, growth, financial strength, dividends, and valuation, with selected fundamentals also measured against each stock's industry-group peers.

Company Profile

Automatic Data Processing (ADP) and Tetra Tech (TTEK) both fall under the Commercial & Professional Services industry group, but ADP is classified in Professional Services while TTEK is classified in Commercial Services & Supplies.

Company profile comparison for Automatic Data Processing (ADP) and Tetra Tech (TTEK)
Profile ItemADPTTEK
NameAutomatic Data Processing Inc.Tetra Tech Inc.
Country/RegionUnited StatesUnited States
GICS SectorIndustrialsIndustrials
GICS Industry GroupCommercial & Professional ServicesCommercial & Professional Services
GICS IndustryProfessional ServicesCommercial Services & Supplies
GICS Sub-IndustryHuman Resource & Employment ServicesEnvironmental & Facilities Services
Market Capitalization119.75 billion USD10.32 billion USD
CurrencyUSDUSD
ExchangeNasdaqNasdaq
Listing DateMarch 17, 1980December 17, 1991
Security TypeCommon StockCommon Stock

Price Performance

Cumulative Growth

ADP
TTEK
GSPC
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Automatic Data Processing (ADP) vs. Tetra Tech (TTEK), with S&P 500 (GSPC) for reference: 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 Automatic Data Processing (ADP) and Tetra Tech (TTEK). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for Automatic Data Processing (ADP) and Tetra Tech (TTEK). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for Automatic Data Processing (ADP) and Tetra Tech (TTEK)
MetricADPTTEK
Total Return (1Y)22.40%29.45%
Total Return (3Y, Annualized)12.77%11.17%
Total Return (5Y, Annualized)8.08%3.89%

Risk Profile

Drawdown History

ADP
TTEK
GSPC
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Automatic Data Processing (ADP) vs. Tetra Tech (TTEK), with S&P 500 (GSPC) for reference: 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 Automatic Data Processing (ADP) and Tetra Tech (TTEK). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Risk profile metrics for Automatic Data Processing (ADP) and Tetra Tech (TTEK)
MetricADPTTEK
Volatility (1Y, Annualized)28.04%37.39%
Beta (5Y)0.760.84
Max Drawdown (5Y)-40.78%-47.50%
Avg. Volume (3M)2.16M2.25M

Risk-Adjusted Performance

Risk-Return Positioning

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ADP and TTEK are plotted by 1-year volatility (risk) and 1-year return. The dashed Capital Allocation Line runs from the risk-free rate through the shared industry median.

Risk-Adjusted Metrics

Risk-adjusted metrics for Automatic Data Processing (ADP) and Tetra Tech (TTEK)
MetricADPTTEK
Sharpe Ratio (1Y)0.650.67
Sortino Ratio (1Y)1.021.02

Profitability

ROE (TTM)

Automatic Data Processing (ADP) at 78.94% clears its industry range for ROE, a sharper capital-efficiency signal than Tetra Tech (TTEK) at 24.30%, which is closer to a typical peer reading.

ADP

Commercial & Professional Services industry group

78.94%

ADP
78.94%
Max
47.06%
Q3
25.43%
Median
14.11%
Q1
3.92%
Min
-20.15%

TTEK

Commercial & Professional Services industry group

24.30%

Max
47.06%
Q3
25.43%
TTEK
24.30%
Median
14.11%
Q1
3.92%
Min
-20.15%
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Automatic Data Processing (ADP) vs. Tetra Tech (TTEK): A comparison of their ROE against the Commercial & Professional Services industry group benchmark.

Net Margin (TTM)

Automatic Data Processing (ADP) at 20.33% retains a top-quartile share of revenue as profit, ahead of Tetra Tech (TTEK) at 10.00%, which keeps about the industry-typical share.

ADP

Commercial & Professional Services industry group

20.33%

Max
23.28%
ADP
20.33%
Q3
11.35%
Median
5.65%
Q1
0.87%
Min
-8.60%

TTEK

Commercial & Professional Services industry group

10.00%

Max
23.28%
Q3
11.35%
TTEK
10.00%
Median
5.65%
Q1
0.87%
Min
-8.60%
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Automatic Data Processing (ADP) vs. Tetra Tech (TTEK): A comparison of their net margin against the Commercial & Professional Services industry group benchmark.

Operating Margin (TTM)

Automatic Data Processing (ADP) at 26.73% operates in the top operating margin quartile, ahead of Tetra Tech (TTEK) at 14.25%, which runs around its industry’s norm.

ADP

Commercial & Professional Services industry group

26.73%

Max
38.50%
ADP
26.73%
Q3
18.84%
Median
10.40%
Q1
5.59%
Min
-12.00%

TTEK

Commercial & Professional Services industry group

14.25%

Max
38.50%
Q3
18.84%
TTEK
14.25%
Median
10.40%
Q1
5.59%
Min
-12.00%
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Automatic Data Processing (ADP) vs. Tetra Tech (TTEK): A comparison of their operating margin against the Commercial & Professional Services industry group benchmark.

Profitability Metrics

Profitability metrics for Automatic Data Processing (ADP) and Tetra Tech (TTEK)
MetricADPTTEK
ROE (TTM)78.94%24.30%
ROA (TTM)6.32%8.54%
Net Margin (TTM)20.33%10.00%
Operating Margin (TTM)26.73%14.25%
Gross Margin (TTM)48.83%21.84%

Growth

Revenue Growth

Both Automatic Data Processing (ADP) at 6.74% and Tetra Tech (TTEK) at 4.69% land near their industries' usual revenue growth ranges, so top-line momentum looks broadly in line with peers on both sides.

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Automatic Data Processing (ADP) vs. Tetra Tech (TTEK): A comparison of their Revenue Growth across different time periods.

EPS Growth

Both Automatic Data Processing (ADP) at 9.62% and Tetra Tech (TTEK) at -24.39% land near their industries' usual EPS growth ranges, so bottom-line momentum looks broadly in line with peers on both sides.

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Automatic Data Processing (ADP) vs. Tetra Tech (TTEK): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for Automatic Data Processing (ADP) and Tetra Tech (TTEK)
MetricADPTTEK
Revenue Growth (YoY)6.74%4.69%
Revenue Growth (3Y CAGR)6.81%15.81%
EPS Growth (YoY)9.62%-24.39%
EPS Growth (3Y CAGR)10.04%-1.46%

Financial Strength

Current Ratio (MRQ)

Tetra Tech (TTEK) at 1.18 keeps current ratio within its industry’s typical mid-range, while Automatic Data Processing (ADP) at 1.03 runs in the tighter-liquidity quartile — a thinner cushion against current liabilities for ADP.

ADP

Commercial & Professional Services industry group

1.03

Max
3.63
Q3
2.14
Median
1.55
Q1
1.09
ADP
1.03
Min
0.45

TTEK

Commercial & Professional Services industry group

1.18

Max
3.63
Q3
2.14
Median
1.55
TTEK
1.18
Q1
1.09
Min
0.45
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Automatic Data Processing (ADP) vs. Tetra Tech (TTEK): A comparison of their current ratio against the Commercial & Professional Services industry group benchmark.

Debt / Equity (MRQ)

Both Automatic Data Processing (ADP) at 1.10 and Tetra Tech (TTEK) at 0.55 fund their balance sheets with roughly industry-typical debt-to-equity mixes.

ADP

Commercial & Professional Services industry group

1.10

Max
2.37
Q3
1.25
ADP
1.10
Median
0.88
Q1
0.35
Min
0.00

TTEK

Commercial & Professional Services industry group

0.55

Max
2.37
Q3
1.25
Median
0.88
TTEK
0.55
Q1
0.35
Min
0.00
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Automatic Data Processing (ADP) vs. Tetra Tech (TTEK): A comparison of their debt-to-equity ratio against the Commercial & Professional Services industry group benchmark.

Financial Strength Metrics

Financial strength metrics for Automatic Data Processing (ADP) and Tetra Tech (TTEK)
MetricADPTTEK
Current Ratio (MRQ)1.031.18
Debt / Equity (MRQ)1.100.55
Net Debt / EBITDA0.351.21

Dividends

Dividend Yield (TTM)

Automatic Data Processing (ADP) at 2.21% delivers top-quartile income for its industry, while Tetra Tech (TTEK) at 0.66% pays a more typical yield — both are credible income propositions, ADP the richer one.

ADP

Commercial & Professional Services industry group

2.21%

Max
4.33%
ADP
2.21%
Q3
1.80%
Median
0.60%
Q1
0.00%
Min
0.00%

TTEK

Commercial & Professional Services industry group

0.66%

Max
4.33%
Q3
1.80%
TTEK
0.66%
Median
0.60%
Q1
0.00%
Min
0.00%
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Automatic Data Processing (ADP) vs. Tetra Tech (TTEK): A comparison of their dividend yield against the Commercial & Professional Services industry group benchmark.

Dividend Payout Ratio (TTM)

Tetra Tech (TTEK) at 16.08% pays out a band-typical share of earnings, while Automatic Data Processing (ADP) at 60.28% distributes more than its industry norm — less retained, thinner cover.

ADP

Commercial & Professional Services industry group

60.28%

Max
99.58%
ADP
60.28%
Q3
41.99%
Median
17.27%
Q1
0.00%
Min
-17.94%

TTEK

Commercial & Professional Services industry group

16.08%

Max
99.58%
Q3
41.99%
Median
17.27%
TTEK
16.08%
Q1
0.00%
Min
-17.94%
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Automatic Data Processing (ADP) vs. Tetra Tech (TTEK): A comparison of their payout ratio against the Commercial & Professional Services industry group benchmark.

Dividend Metrics

Dividend metrics for Automatic Data Processing (ADP) and Tetra Tech (TTEK)
MetricADPTTEK
Dividend Yield (TTM)2.21%0.66%
Dividend Payout Ratio (TTM)60.28%16.08%

Valuation

P/E Ratio (TTM)

Both Automatic Data Processing (ADP) at 26.89 and Tetra Tech (TTEK) at 24.27 land around their industries’ usual P/E ratio levels — neither is getting a clear earnings-multiple discount or premium versus peers.

ADP

Commercial & Professional Services industry group

26.89

Max
49.47
Q3
33.76
ADP
26.89
Median
24.16
Q1
16.01
Min
1.89

TTEK

Commercial & Professional Services industry group

24.27

Max
49.47
Q3
33.76
TTEK
24.27
Median
24.16
Q1
16.01
Min
1.89
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Automatic Data Processing (ADP) vs. Tetra Tech (TTEK): A comparison of their P/E ratio against the Commercial & Professional Services industry group benchmark.

P/S Ratio (TTM)

Tetra Tech (TTEK) at 2.37 is priced about in line with its industry on P/S ratio, while Automatic Data Processing (ADP) at 5.38 sits in the pricier quartile — ADP costs more per dollar of sales.

ADP

Commercial & Professional Services industry group

5.38

Max
7.17
ADP
5.38
Q3
3.35
Median
1.33
Q1
0.69
Min
0.11

TTEK

Commercial & Professional Services industry group

2.37

Max
7.17
Q3
3.35
TTEK
2.37
Median
1.33
Q1
0.69
Min
0.11
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Automatic Data Processing (ADP) vs. Tetra Tech (TTEK): A comparison of their P/S ratio against the Commercial & Professional Services industry group benchmark.

P/B Ratio (MRQ)

Tetra Tech (TTEK) at 5.57 sits near its industry’s typical P/B ratio, while Automatic Data Processing (ADP) at 23.57 prices above its benchmark range — ADP looks rich relative to book.

ADP

Commercial & Professional Services industry group

23.57

ADP
23.57
Max
11.25
Q3
6.08
Median
2.92
Q1
1.55
Min
-2.78

TTEK

Commercial & Professional Services industry group

5.57

Max
11.25
Q3
6.08
TTEK
5.57
Median
2.92
Q1
1.55
Min
-2.78
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Automatic Data Processing (ADP) vs. Tetra Tech (TTEK): A comparison of their P/B ratio against the Commercial & Professional Services industry group benchmark.

Valuation Metrics

Valuation metrics for Automatic Data Processing (ADP) and Tetra Tech (TTEK)
MetricADPTTEK
P/E Ratio (TTM)26.8924.27
P/S Ratio (TTM)5.382.37
P/B Ratio (MRQ)23.575.57
Free Cash Flow Yield (TTM)5.40%3.84%