Bowman Consulting Group Acquires Sierra Overhead Analytics

Bowman Consulting Group, an engineering services and project management firm, announced it has acquired the assets of Engineering firm Sierra Overhead Analytics (SOA) and its technology affiliate ORCaS, two companies under common control.

SOA offers advanced environmental site analysis solutions that emphasize stormwater and watershed modeling for utility-scale solar and battery energy storage systems.

ORCaS provides proprietary tools for SOA that enable the delivery of specialized design automation, location optimization, and hydrological studies to its clients, who include data centers, energy developers, and operators.

Bowman offers a range of planning, engineering, geospatial, construction management, commissioning, environmental consulting, land procurement, and other technical services to its customers.

The acquisition strengthens Bowman’s capabilities in high-growth, high-value markets, including data center development, climate resiliency, utilities, power, and alternative energy, while expanding its digital services and delivery platform.

The acquisition, financed through a combination of cash, seller notes, and a convertible note, is expected to generate an initial net service billing run rate of approximately $2.2 million and be immediately accretive to earnings.

Bowman’s Office of Innovation will lead the integration of ORCaS technologies across the company’s operations and service lines.

“The acquisition reflects our continuing commitment to technology-enabled growth focused on lifecycle engineering,” said Gary Bowman, founder and CEO of Bowman. “Adding these new customers, digital offerings, and optimization tools enhances our value proposition and positions Bowman for accelerated organic growth in markets where technology and sustainability are driving increasing demand.”

According to Mercom’s 1H and Q2 2025 Solar Funding and M&A report, there were 50 solar M&A transactions in the first half of 2025, compared to 40 during the same period in 2024.

In September, Edify Energy, a renewable energy and battery storage company, entered into a binding agreement to be acquired by global investment group La Caisse (formerly CDPQ). Once completed, the transaction, together with further equity capital funding, is expected to represent an investment of approximately A$1.1 billion (~$725 million).


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