Tetra Tech vs Willdan: revenue, profit, margins and growth compared
Tetra Tech brought in $5.4B of revenue in fiscal 2025, Willdan $681.6M in fiscal 2025. Revenue changed by +4.7% at Tetra Tech and +20.5% at Willdan on the year before, so Willdan grew faster. Tetra Tech kept 4.6% of its revenue as net profit, Willdan 7.7%. Free cash flow was $439.1M at Tetra Tech and $70.7M at Willdan.
Fiscal years as each company reports them; the two may end in different months.
Questions about Tetra Tech and Willdan
Which is bigger by revenue, Tetra Tech or Willdan?
Tetra Tech is bigger by revenue: $5.4B in fiscal 2025, against $681.6M for Willdan in fiscal 2025.
Which keeps more of its revenue as profit, Tetra Tech or Willdan?
Tetra Tech had a net margin of 4.6% in fiscal 2025; Willdan had 7.7% in fiscal 2025.
Which grew revenue faster, Tetra Tech or Willdan?
In their latest fiscal years revenue changed by +4.7% at Tetra Tech and +20.5% at Willdan.
Where do these numbers come from?
From the annual reports each company files with the SEC (10-K, or 20-F and 40-F for foreign companies), read from their XBRL data. Margins and growth are simple arithmetic on those figures. Nothing here is a recommendation.