Company Description
Willdan Group, Inc. (NASDAQ: WLDN) is a nationwide provider of professional, technical, and consulting services to utilities, government agencies, and private industry. The company operates in the engineering services industry within the broader professional, scientific, and technical services sector. According to its public disclosures and press releases, Willdan focuses on disciplines that include electric grid solutions, energy efficiency and sustainability, energy policy planning and advisory, engineering and planning, and municipal financial consulting.
Business focus and service areas
Willdan’s business is oriented around helping clients address energy, infrastructure, and financial challenges. Company materials describe two broad areas of activity: an Energy segment and an Engineering and Consulting segment. The Energy segment, as described in third-party summaries, has included services such as audits and surveys, program design, master planning, benchmarking analysis, design engineering, construction management, performance contracting, installation, and the use of software and data analytics. Willdan’s more recent press releases emphasize electric grid solutions, energy efficiency and sustainability programs, and advisory work on energy policy and planning.
The company’s engineering and planning work supports public agencies and other clients on infrastructure and related projects. In addition, Willdan provides municipal financial consulting, which covers services to public entities that need assistance with financial and capital planning, debt-related work, and other public finance matters. All of its revenue is described as being derived from domestic markets.
Clients and end markets
Across its disclosures, Willdan states that it serves three primary client groups: utilities, government agencies, and private industry. Within these categories, examples from recent announcements include work for counties, regional energy networks, and large corporate customers. For instance, Willdan has been selected by Alameda County, California, for a contract to design and implement energy and infrastructure upgrades across multiple sites. It has also been engaged by the Southern California Regional Energy Network (SoCalREN) to deliver commercial energy efficiency programs, and by National Grid to provide energy efficiency services to small businesses in Massachusetts.
Willdan’s subsidiary Energy + Environmental Economics (E3) conducts analytical and advisory work for large energy users and utilities. One published study for Amazon examined rate design to manage large electric load growth associated with data centers and other emerging demands on the grid. This illustrates how Willdan’s services can extend from program implementation to quantitative analysis and policy-oriented guidance.
Energy efficiency and grid-related services
Company releases describe Willdan as active in energy efficiency and sustainability, including small business direct install programs and commercial energy efficiency portfolios. In Massachusetts, Willdan has been selected to implement a small business direct install program for National Grid, aimed at urban and suburban counties in Eastern Massachusetts. In California, under a contract with SoCalREN, Willdan is responsible for programs such as a Small Commercial Direct Install Program, a Food Desert Energy Efficiency Equity Program, and a Small Medium Business Energy Advisor Program, working with non-profit organizations that support access to clean energy projects for communities that can be harder to reach.
In its work for Alameda County, Willdan is designing and implementing energy and infrastructure upgrades under an energy savings performance contract. The scope includes electrification of major HVAC systems, solar photovoltaic generation, electric vehicle charging stations, and other efficiency, deferred maintenance, and decarbonization upgrades across multiple county sites. This combination of engineering design, implementation, and consulting for funding opportunities reflects the company’s role in complex public-sector energy projects.
Municipal financial consulting and public finance
Willdan also highlights municipal financial consulting as a core discipline. This activity is supported by Willdan Financial Services, a subsidiary that provides financial services to public agencies. The company has announced that Willdan Financial Services signed a definitive agreement to acquire Compass Municipal Advisors, LLC, an independent municipal advisory firm headquartered in the Southeastern United States, and later reported completion of that acquisition.
Compass is described as a registered independent municipal advisory firm that provides financial and capital planning, debt issuance management, and investment services. Company statements indicate that the acquisition is expected to expand Willdan’s geographic footprint and enhance its municipal advisory and public finance capabilities for clients. Through this combination, Willdan seeks to broaden the range of financial advisory services it can offer to public agencies working on infrastructure rehabilitation and new capital projects.
Advisory and policy-oriented work
Beyond implementation-focused projects, Willdan engages in energy policy planning and advisory. Its subsidiary E3 has produced studies for large energy consumers and utilities on topics such as rate design, electricity system planning, and the integration of clean energy resources. In the Amazon study, E3 evaluated how new large energy users, including data centers, affect utilities and their customers, and identified tools regulators and utilities can use to maintain equitable outcomes and manage large load growth at scale.
Company commentary notes that E3’s analysis builds on experience advising utilities, policymakers, and large energy consumers on electricity system planning, rate design, and clean energy integration. This advisory work complements Willdan’s implementation contracts by addressing regulatory, economic, and planning questions that shape future energy infrastructure and programs.
Stock listing and regulatory reporting
Willdan Group, Inc. is incorporated in Delaware and its common stock trades on the Nasdaq Global Market under the ticker symbol WLDN, as indicated in its Form 8-K filings. The company files periodic and current reports with the U.S. Securities and Exchange Commission, including Forms 10-K, 10-Q, and 8-K. Recent Form 8-K filings have covered the release of quarterly financial results and related press releases for the second and third quarters of a fiscal year.
In these filings and press releases, Willdan discusses non-GAAP financial measures such as Net Revenue, Adjusted EBITDA, Adjusted Net Income, and Adjusted Diluted EPS, and provides reconciliations to the most directly comparable GAAP measures. The company explains that Net Revenue is defined as contract revenue minus subcontractor services and other direct costs, and that these metrics are used internally to evaluate operating performance. While specific figures change over time, the presence of these measures indicates an emphasis on tracking the work performed by Willdan’s employees and the profitability of its contracts.
Geographic scope and market presence
Across its public descriptions, Willdan characterizes itself as a nationwide provider of services. Examples of contracts and programs mentioned in recent announcements span California, the Northeast, and the Southeastern United States. The company notes that all of its revenue is derived from domestic markets, underscoring its focus on U.S.-based utilities, public agencies, and private-sector clients.
Willdan’s work with entities such as Alameda County, SoCalREN, National Grid, and Amazon illustrates its engagement with both public and private stakeholders in the energy ecosystem. Projects range from local infrastructure upgrades and small business energy efficiency programs to analytical studies for large data center operators and guidance for regulators and utilities.
Position within the engineering services and consulting sector
Within the engineering services industry, Willdan occupies a space that blends technical engineering, energy program implementation, and financial and policy advisory services. Its activities touch on electric grid solutions, energy efficiency and sustainability initiatives, engineering and planning for infrastructure, and municipal financial consulting. The company’s use of software and data analytics in its Energy segment, as referenced in third-party descriptions, aligns with its emphasis on analysis-driven recommendations and program design.
By combining engineering capabilities with advisory and financial consulting, Willdan positions itself to work on projects that require both technical execution and strategic planning, particularly in the context of evolving energy demands and infrastructure needs. Its nationwide scope and focus on domestic markets make it a notable participant in U.S. energy efficiency, grid-related engineering, and municipal finance consulting work.
Stock Performance
Willdan Group (WLDN) stock last traded at $82.80, down 2.38% from the previous close. Over the past 12 months, the stock has gained 98.4%. At a market capitalization of $1.2B, WLDN is classified as a small-cap stock with approximately 14.8M shares outstanding.
Latest News
Willdan Group has 10 recent news articles. Of the recent coverage, 4 articles coincided with positive price movement and 6 with negative movement. Key topics include earnings, conferences, earnings date, acquisition. View all WLDN news →
SEC Filings
Willdan Group has filed 5 recent SEC filings, including 5 Form 4. The most recent filing was submitted on March 23, 2026. SEC filings provide transparency into a company's financial condition, material events, and regulatory compliance. View all WLDN SEC filings →
Insider Radar
Insider selling at Willdan Group over the past 90 days can reflect routine portfolio management, scheduled trading plans (Rule 10b5-1), tax planning, or compensation-related dispositions rather than a directional view on the stock.
Financial Highlights
Willdan Group generated $681.6M in revenue over the trailing twelve months, retaining a 37.5% gross margin, operating income reached $44.1M (6.5% operating margin), and net income was $52.6M, reflecting a 7.7% net profit margin. Diluted earnings per share stood at $3.49. The company generated $80.1M in operating cash flow.
Upcoming Events
Construction completion
Credit facility maturity
Willdan Group has 2 upcoming scheduled events. The next event, "Construction completion", is scheduled for July 1, 2027 (in 462 days). 1 of the upcoming events are financial in nature, such as earnings calls or quarterly results. Investors can track these dates to stay informed about potential catalysts that may affect the WLDN stock price.
Short Interest History
Short interest in Willdan Group (WLDN) currently stands at 1.2 million shares, up 8.3% from the previous reporting period, representing 8.2% of the float. Over the past 12 months, short interest has increased by 172.7%.
Days to Cover History
Days to cover for Willdan Group (WLDN) currently stands at 4.7 days, up 66.4% from the previous period. This days-to-cover ratio represents a balanced liquidity scenario for short positions. The days to cover has increased 64.7% over the past year, indicating either rising short interest or declining trading volume. The ratio has shown significant volatility over the period, ranging from 1.1 to 4.9 days.
WLDN Company Profile & Sector Positioning
Willdan Group (WLDN) operates in the Engineering & Construction industry within the broader Services-engineering Services sector and is listed on the NASDAQ.
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