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Side-by-side financial comparison of TETRA TECH INC (TTEK) and Willdan Group, Inc. (WLDN). Click either name above to swap in a different company.
TETRA TECH INC is the larger business by last-quarter revenue ($1.2B vs $182.0M, roughly 6.7× Willdan Group, Inc.). TETRA TECH INC runs the higher net margin — 8.7% vs 7.5%, a 1.2% gap on every dollar of revenue. On growth, Willdan Group, Inc. posted the faster year-over-year revenue change (15.0% vs -14.8%). TETRA TECH INC produced more free cash flow last quarter ($68.1M vs $9.8M). Over the past eight quarters, Willdan Group, Inc.'s revenue compounded faster (8.1% CAGR vs -1.6%).
Tetra Tech, Inc. is an American consulting and engineering services firm based in Pasadena, California. The company provides consulting, engineering, program management, and construction management services in the areas of water, environment, infrastructure, resource management, energy, and international development.
Willdan Group, Inc. (Willdan) is an American publicly traded company selling professional technical and consulting services to public and private utilities, public agencies at all levels of government, and commercial and industrial firms. The company operates offices in more than a dozen states, with its key operations in California and New York.
TTEK vs WLDN — Head-to-Head
Income Statement — Q1 2026 vs Q3 2026
| Metric | | |
|---|---|---|
| Revenue | $1.2B | $182.0M |
| Net Profit | $105.2M | $13.7M |
| Gross Margin | 18.2% | 36.9% |
| Operating Margin | 11.6% | 8.2% |
| Net Margin | 8.7% | 7.5% |
| Revenue YoY | -14.8% | 15.0% |
| Net Profit YoY | 13424.7% | 86.8% |
| EPS (diluted) | $0.40 | $0.90 |
Green = leading value per metric. Periods may differ when fiscal calendars don't align.
8-Quarter Revenue & Profit Trend
Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.
| Q4 25 | $1.2B | $182.0M | ||
| Q3 25 | $1.3B | $173.5M | ||
| Q2 25 | $1.4B | $152.4M | ||
| Q1 25 | $1.3B | — | ||
| Q4 24 | $1.4B | $144.1M | ||
| Q3 24 | $1.4B | $158.3M | ||
| Q2 24 | $1.3B | $141.0M | ||
| Q1 24 | $1.3B | $122.5M |
| Q4 25 | $105.2M | $13.7M | ||
| Q3 25 | $127.9M | $15.4M | ||
| Q2 25 | $113.8M | $4.7M | ||
| Q1 25 | $5.4M | — | ||
| Q4 24 | $778.0K | $7.7M | ||
| Q3 24 | $96.2M | $7.3M | ||
| Q2 24 | $85.8M | $4.6M | ||
| Q1 24 | $76.4M | $2.9M |
| Q4 25 | 18.2% | 36.9% | ||
| Q3 25 | 20.6% | 39.4% | ||
| Q2 25 | 18.4% | 37.8% | ||
| Q1 25 | 16.2% | — | ||
| Q4 24 | 15.6% | 38.1% | ||
| Q3 24 | 17.8% | 32.6% | ||
| Q2 24 | 16.6% | 34.6% | ||
| Q1 24 | 16.6% | 38.7% |
| Q4 25 | 11.6% | 8.2% | ||
| Q3 25 | 13.6% | 6.8% | ||
| Q2 25 | 12.0% | 4.6% | ||
| Q1 25 | 3.0% | — | ||
| Q4 24 | 1.6% | 7.5% | ||
| Q3 24 | 10.4% | 5.5% | ||
| Q2 24 | 9.6% | 4.6% | ||
| Q1 24 | 9.4% | 4.4% |
| Q4 25 | 8.7% | 7.5% | ||
| Q3 25 | 9.6% | 8.9% | ||
| Q2 25 | 8.3% | 3.1% | ||
| Q1 25 | 0.4% | — | ||
| Q4 24 | 0.1% | 5.3% | ||
| Q3 24 | 7.0% | 4.6% | ||
| Q2 24 | 6.4% | 3.3% | ||
| Q1 24 | 6.1% | 2.4% |
| Q4 25 | $0.40 | $0.90 | ||
| Q3 25 | $0.48 | $1.03 | ||
| Q2 25 | $0.43 | $0.32 | ||
| Q1 25 | $0.02 | — | ||
| Q4 24 | $0.00 | $0.53 | ||
| Q3 24 | $-3.18 | $0.51 | ||
| Q2 24 | $1.59 | $0.33 | ||
| Q1 24 | $1.42 | $0.21 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $269.4M | $33.1M |
| Total DebtLower is stronger | $837.1M | $49.1M |
| Stockholders' EquityBook value | $1.8B | $283.1M |
| Total Assets | $4.3B | $507.9M |
| Debt / EquityLower = less leverage | 0.45× | 0.17× |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $269.4M | $33.1M | ||
| Q3 25 | $167.5M | $32.3M | ||
| Q2 25 | $242.8M | $38.4M | ||
| Q1 25 | $179.4M | — | ||
| Q4 24 | $248.1M | $74.2M | ||
| Q3 24 | $232.7M | $53.1M | ||
| Q2 24 | $212.3M | $44.3M | ||
| Q1 24 | $210.3M | $46.9M |
| Q4 25 | $837.1M | $49.1M | ||
| Q3 25 | $766.4M | $59.7M | ||
| Q2 25 | — | $86.9M | ||
| Q1 25 | $1.0B | — | ||
| Q4 24 | $888.5M | $89.5M | ||
| Q3 24 | $812.6M | $91.9M | ||
| Q2 24 | $861.8M | $93.7M | ||
| Q1 24 | $951.0M | $95.5M |
| Q4 25 | $1.8B | $283.1M | ||
| Q3 25 | $1.8B | $265.9M | ||
| Q2 25 | $1.7B | $245.5M | ||
| Q1 25 | $1.6B | — | ||
| Q4 24 | $1.7B | $234.3M | ||
| Q3 24 | $1.8B | $224.0M | ||
| Q2 24 | $1.7B | $213.0M | ||
| Q1 24 | $1.6B | $205.5M |
| Q4 25 | $4.3B | $507.9M | ||
| Q3 25 | $4.3B | $484.9M | ||
| Q2 25 | $4.4B | $471.2M | ||
| Q1 25 | $4.2B | — | ||
| Q4 24 | $4.2B | $464.9M | ||
| Q3 24 | $4.2B | $447.3M | ||
| Q2 24 | $4.1B | $421.3M | ||
| Q1 24 | $4.1B | $407.9M |
| Q4 25 | 0.45× | 0.17× | ||
| Q3 25 | 0.43× | 0.22× | ||
| Q2 25 | — | 0.35× | ||
| Q1 25 | 0.64× | — | ||
| Q4 24 | 0.53× | 0.38× | ||
| Q3 24 | 0.44× | 0.41× | ||
| Q2 24 | 0.52× | 0.44× | ||
| Q1 24 | 0.60× | 0.46× |
Cash Flow & Capital Efficiency
How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.
| Metric | | |
|---|---|---|
| Operating Cash FlowLast quarter | $72.3M | $12.2M |
| Free Cash FlowOCF − Capex | $68.1M | $9.8M |
| FCF MarginFCF / Revenue | 5.6% | 5.4% |
| Capex IntensityCapex / Revenue | 0.3% | 1.3% |
| Cash ConversionOCF / Net Profit | 0.69× | 0.89× |
| TTM Free Cash FlowTrailing 4 quarters | $497.5M | $65.1M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $72.3M | $12.2M | ||
| Q3 25 | $100.8M | $25.4M | ||
| Q2 25 | $349.6M | $3.3M | ||
| Q1 25 | $-5.8M | — | ||
| Q4 24 | $13.1M | $33.5M | ||
| Q3 24 | $105.6M | $10.8M | ||
| Q2 24 | $140.9M | $889.0K | ||
| Q1 24 | $102.9M | $26.9M |
| Q4 25 | $68.1M | $9.8M | ||
| Q3 25 | $95.6M | $23.2M | ||
| Q2 25 | $345.6M | $1.0M | ||
| Q1 25 | $-11.8M | — | ||
| Q4 24 | $9.6M | $31.1M | ||
| Q3 24 | $98.8M | $8.8M | ||
| Q2 24 | $137.1M | $-1.3M | ||
| Q1 24 | $98.9M | $25.0M |
| Q4 25 | 5.6% | 5.4% | ||
| Q3 25 | 7.2% | 13.4% | ||
| Q2 25 | 25.2% | 0.7% | ||
| Q1 25 | -0.9% | — | ||
| Q4 24 | 0.7% | 21.6% | ||
| Q3 24 | 7.2% | 5.6% | ||
| Q2 24 | 10.2% | -0.9% | ||
| Q1 24 | 7.9% | 20.4% |
| Q4 25 | 0.3% | 1.3% | ||
| Q3 25 | 0.4% | 1.3% | ||
| Q2 25 | 0.3% | 1.5% | ||
| Q1 25 | 0.4% | — | ||
| Q4 24 | 0.2% | 1.6% | ||
| Q3 24 | 0.5% | 1.2% | ||
| Q2 24 | 0.3% | 1.5% | ||
| Q1 24 | 0.3% | 1.6% |
| Q4 25 | 0.69× | 0.89× | ||
| Q3 25 | 0.79× | 1.65× | ||
| Q2 25 | 3.07× | 0.71× | ||
| Q1 25 | -1.08× | — | ||
| Q4 24 | 16.79× | 4.35× | ||
| Q3 24 | 1.10× | 1.47× | ||
| Q2 24 | 1.64× | 0.19× | ||
| Q1 24 | 1.35× | 9.16× |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
TTEK
| Commercial International Services Group | $704.2M | 58% |
| Commercial | $225.4M | 19% |
| State And Local Government | $171.5M | 14% |
| Cost Plus | $95.1M | 8% |
| Related Party | $15.8M | 1% |
WLDN
Segment breakdown not available.
