Featured transaction in CO; more deals reported in TX, GA, NJ, NY, MI, MA, and AZ

Commentary & Insight

This week, we report nine domestic transactions, including two in Texas. The Lone Star State and the surrounding Southern States continue to see a lot of consolidation. Journey to the center of the action and connect with 200-plus AE industry CEOs and investors at the Texas and the South M&A and Business Symposium, taking place at the five-star Post Oak Hotel at Uptown Houston. Register today to secure your spot!

Domestic Transactions

8/21/2025
Private equity funds affiliated with Blackstone (New York, NY) entered into a definitive agreement to acquire Shermco (Irving, TX), an electrical testing, maintenance, commissioning, and repair services firm, from Gryphon Investors (San Francisco, CA). Link to details >

8/20/2025
Green Companies (Cedar Rapids, IA), the parent company of the HR Green (Cedar Rapids, IA) (ENR #168) family of engineering firms, acquired Gauge Engineering (Houston, TX), an engineering firm that specializes in transportation and drainage engineering analysis, design, and construction management services. Link to details >

8/20/2025
Collins Cooper Carusi Architects (Atlanta, GA), a community focused design firm with expertise in early learning and K-12 education, higher education, on-campus student housing, and recreation centers, joined global integrated design firm DLR Group (Omaha, NE) (ENR #67). Link to details >

8/20/2025
ENR’s #162 ranked environmental firm, The Vertex Companies (Weymouth, MA), completed the aqui-hire of ARCHforensic (Chester, NJ), a full-service forensic architecture and engineering firm. Link to details >

8/19/2025
Mace Consult (London, UK), a program and project management, PMO and controls, cost and commercial management, and advisory services firm, acquired cost management, procurement, and project management firm Turton Bond (New York, NY). Link to details >

8/11/2025
AMDG Architects (Grand Rapids, MI), a design firm with experience in residential and commercial architecture, entered a strategic partnership with The Stonewall Group (Lafayette, LA), an investor in regional AE firms. Link to details >

8/11/2025
Schneider Geospatial (Indianapolis, IN) acquired Full Circle Technologies (Boston, MA), a permitting and licensing software firm that streamlines permitting for municipal departments. Link to details >

8/2/2025
Alta Environmental and Infrastructure (Tempe, AZ), a firm specializing in surveying, material testing, civil, and environmental engineering, merged with geotechnical engineering, structural inspection, and construction materials testing firm Ricker, Atkinson, McBee, Morman & Associates (Tempe, AZ). Link to details >

Global Transactions

8/19/2025
Phenna Group (Nottingham, UK), a family of businesses providing testing, inspection, certification, and compliance (TICC) services, expanded in continental Europe with the acquisition of Sfera (Rome, Italy), a firm that specializes in regulatory consulting. Link to details >

8/14/2025
Merebrook Consulting (Matlock, UK) is moving forward as an independent environmental engineering firm following its disinvestment from IDOM Group (Bilbao, Spain). Merebrook was acquired by M&L Holdings (Gibraltar, UK), a portfolio of businesses within the construction, building products, and associated industries. Link to details >