Willdan Group’s shares have climbed 20.6% over the past six months, outpacing the S&P 500’s 11% gain and the Business Services industry’s decline. The stock now trades at roughly 23.75x forward 12-month earnings compared to the industry average of 15.53x, raising questions over the sustainability of its premium multiple.

In Q3 fiscal 2025, Willdan delivered 15% contract revenue growth and 26% net revenue growth, driven by 20% organic growth and 6% from acquisitions. Adjusted EBITDA rose 53% and adjusted EPS jumped 66% year over year, prompting management to raise full-year targets to $360–$365 million in net revenue, $77–$78 million in adjusted EBITDA and $4.10–$4.20 in adjusted EPS.

Approximately 85% of revenue stems from energy-related services tied to grid modernization, electrification and utility programs with multi-year funding. Upfront load-growth studies are expanding around 50% organically, while a conservative net debt position of $16 million (0.2x net debt/EBITDA) supports further bolt-on acquisitions and project investment.

The elevated valuation leaves limited margin for execution errors; delays in project timing, policy shifts or weaker utility budgets could strain growth. Willdan competes with larger firms like ICF International and Tetra Tech, where pricing pressures and integration challenges from acquisitions may heighten risks to sustaining double-digit organic growth.