**Deal Announcement: Bowyer Environmental Consulting Joined UES

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DBI Architects was acquired by GF (GreenbergFarrow). Blackcastle Partners acted as an exclusive M&A Advisor to DBI Architects.

Las Vegas, NV — April 15, 2026 — Blackcastle is pleased to announce the sale of Bowyer Environmental Consulting to UES.

Bowyer Environmental Consulting (BEC), founded in 2007, is a leading provider of environmental consulting services with offices in Long Beach and Mission Viejo, California. BEC’s team of experienced professionals specializes in brownfields, groundwater, property redevelopment, site investigation, remediation, and litigation support. The firm serves a diverse and long‑standing client base across Southern California, including organizations in development, law, transportation, manufacturing, and healthcare. BEC is recognized for its technical rigor, responsiveness, and trusted client partnerships.

For more information about BEC, visit bowyerenvironmental.com.

UES is a national provider of engineering, environmental, testing, and inspection services, with deep expertise in environmental and earth sciences, sustainable infrastructure solutions, geotechnical and materials testing, and advanced geophysical technologies. The firm’s nearly 4,000 professionals across more than 100 branches support public‑ and private‑sector clients nationwide, delivering technology‑enabled solutions that address complex engineering and construction challenges from initial development through redevelopment. UES serves a broad range of end markets—including transportation, infrastructure, water and wastewater, technology, power transition, healthcare, education, industrial, residential, and mission‑critical facilities—and has completed hundreds of thousands of projects across the United States, spanning solar farms, battery manufacturing facilities, data centers, highways and bridges, water reservoirs, hospitals, schools, stadiums, airports, hotels and resorts, and residential developments.

For more information about UES, visit teamues.com.

Blackcastle acted as the exclusive advisor to Bowyer Environmental Consulting. The transaction closed in April 2026; terms were not disclosed.

Blackcastle is a mergers and acquisitions advisory firm serving engineering, architecture, and environmental consulting businesses across the United States and Canada. The firm helps owners achieve their exit or growth objectives while creating long‑term opportunities for shareholders and employees. Blackcastle’s advisory team has completed numerous M&A transactions and maintains a broad network of strategic and private equity buyers active in these sectors. More information is available at blackcastle.us, on our News/Blog page, and on the company’s LinkedIn page.