Stocks / ADP vs TTEK

ADP vs TTEK: Which Stock Is the Better Buy?

Automatic Data Processing, Inc. and Tetra Tech, Inc. side by side — fundamentals from SEC filings, refreshed nightly. Sector: Technology / Industrials.

ADP is the larger company ($106.0B vs $7.1B). On the fundamentals, TTEK grows revenue faster (9.0% vs 7.9%); ADP earns a higher net margin (20.1% vs 5.4%); TTEK trades cheaper on earnings (16.4× vs 24.3×). On the filings, ADP carries fewer potential red flags (0 vs 1). Full numbers below — the stronger figure on each row is in green.

AI verdict — ADP vs TTEK, read from the filings

The stronger business, the cheaper stock, and the risks — synthesised from both companies’ SEC filings, every figure computed not guessed. Not investment advice.

 Automatic Data Processing, Inc. (ADP)Tetra Tech, Inc. (TTEK)
Market cap$106.0B$7.1B
Revenue (latest FY)$21.95B$4.62B
Net income (latest FY)$4.41B$247.72M
Revenue growth (5y CAGR)7.9%9.0%
Net margin20.1%5.4%
Return on equity13.9%
P/E ratio24.316.4
Dividend yield2.5%1.0%
Profitable years (of last 10)1010
Positive free cash flowYes

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Use the filing period and source shown by each tool before treating two figures as comparable.

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See the full ADP vs TTEK breakdown

Both companies across 19 years of income statement, balance sheet and cash flow — with ratios, health checks and Ask, the SEC-grounded research assistant. Free, no account needed.

Open ADP's full financials →   Open TTEK's full financials →

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Frequently asked questions

Which is bigger, ADP or TTEK?

Automatic Data Processing, Inc. is larger by market capitalization — $106.0B versus $7.1B.

Which grows faster, ADP or TTEK?

Over the last five fiscal years, Tetra Tech, Inc. grew revenue faster — 9.0%/yr versus 7.9%/yr, computed from SEC-filed statements.

Where does this data come from?

All figures are computed from official SEC filings (10-K), refreshed nightly. This is a data comparison, not investment advice.

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