Another busy week for industry consolidation; deals reported in CA, AZ, PA, TX, IL, MN, MD, PA, and CT

Commentary & Insight

We want to thank everyone who joined us at our 2025 Southeast M&A and Business Symposium! Our next event will be the 2025 Western States M&A and Business Symposium in Las Vegas, NV. Registration is officially open! 

This week we report deals in CA, AZ, PA, TX, IL, MN, MD, and CT. Overseas we report seven additional deals. 

Domestic Transactions

3/6/2025
Forensic engineering and technical consulting services firm Rimkus Consulting Group (Houston, TX) acquired Human Factors Consulting Services (Chatsworth, CA), a firm that specializes in proactive human factors services and medical device consulting. Link to details >

3/6/2025
Construction management firm RWBID Construction Management (Hermosa Beach, CA) joined ENR’s #10 ranked CM/PM-for-fee firm Cumming Group (New York, NY). Link to details >

3/12/2025
Technology, conformity assessment, and consulting solutions firm, and one of our 10 Movers and Shakers to Watch in 2025, NV5 (Hollywood, FL) (ENR #24), acquired Herman Cx (Cottonwood, AZ), a provider of commissioning and conformity assessment services for hyperscale data centers. Link to details >

3/10/2025
Pennoni (Philadelphia, PA) (ENR #108), a multidisciplinary engineering firm, acquired Midlantic Engineering (Pittston Township, PA), a geotechnical engineering firm that serves government, private, and non-profit clients. Link to details >

3/7/2025
VLK Architects (Fort Worth, TX) (ENR #193), an automative, educational, and commercial architecture firm, acquired TransCend4 (Denton, TX), a firm specializing in educational consulting. Link to details >

3/6/2025
Professional, technical, and consulting services firm Willdan Group (Anaheim, CA) (ENR #48) acquired Alternative Power Generation (APG) (Elmhurst, IL), an electrical engineering and construction management firm. Link to details >

3/5/2025
ID Studio 4 (Irving, TX) and Sperides Reiners Architects (SRA) (Eden Prairie, MN) integrated to form new architecture and engineering firm, Fusion AE (Dallas, TX). Link to details >

3/5/2025
Dymond (Baltimore, MD), a boutique design and planning firm, joined forces with Arium AE (Columbia, MD), an architecture and engineering firm that serves commercial office, mission-critical and secure government facilities, industrial and warehouse, healthcare, educational, retail, and adaptive reuse clients. Link to details >

3/10/2025
Subterra Engineering Corporation (Calgary, Canada), a subsurface engineering and development firm, acquired Cavern Solutions (Houston, TX), an engineering and consulting firm specializing in storage and disposal asset development. Link to details >

3/1/2025
id3A (Glastonbury, CT), an architecture and interior design firm, partnered with Oak Point Associates (Biddeford, ME), a full-service design and consulting firm. Link to details >

Global Transactions

3/11/2025
ENR’s #25 ranked global design firm, Egis (Guyancourt, France), acquired Engeny (Brisbane, Australia), a water management, engineering, and environmental consultancy. Link to details >

3/11/2025
An affiliate of H.I.G. Capital (Miami, FL), a global alternative investment firm, acquired Protos S.p.A. (Rome, Italy), a technical advisory and consulting services firm. Link to details >

3/11/2025
Global digital, cloud, and security services firm Accenture (Dublin, Ireland) agreed to acquire Soben (Glasgow, UK), a provider of construction consultancy services. Link to details >

3/11/2025
Surveying, design, and project management firm Gate & Bar (Fulford, UK) acquired Architecturally Collaborated Design (ARC) (Rufforth, UK). Link to details >

3/10/2025
Institutional architecture firm STGM Architects (Quebec, Canada) acquired Minicucci Architecte (Montreal, Canada), a firm that focuses on private sector projects. Link to details >

3/7/2025
ENR’s #151 ranked environmental firm, Dillon Consulting (Toronto, Canada), entered into a partnership with architecture, interior design, and planning firm FBM Architecture (Halifax, Canada). Link to details >

3/5/2025
ENR’s #60 ranked global design firm, Royal HaskoningDHV (Amersfoort, Netherlands), acquired Arch Henderson (Aberdeen, UK), a maritime engineering firm. Link to details >