16 deals announced across U.S. and global markets

Commentary & Insight

M&A activity remained steady this week, with 16 total transactions across domestic and international markets. In the U.S., 12 deals took place across WA, OR, IL, ID, MN, WI, CO, MS, TX, and CT, with activity showing strength in the Western and Midwest regions. Internationally, four transactions were reported in the UK, Switzerland, Spain, and Australia.

Domestic Transactions

5/27/2026
MacKay (Vancouver, WA), a civil engineering, environmental, land surveying, and planning firm, acquired geotechnical engineering firm Nelson Geotechnical Associates (Woodinville, WA) and civil engineering firm Curran-McLeod (Portland, OR). Link to details >

6/11/2026
Employee-owned environmental consulting and remediation firm Roux (Islandia, NY) (ENR’s #109 ranked environmental firm) acquired KPRG and Associates (Westmont, IL), an environmental consulting and remediation firm offering compliance, site investigation, remedial design and construction, and litigation support services to energy, industrial, real estate, and municipal clients. Link to details >

6/18/2026
Multi-disciplined architecture and design firm FFKR Architects (Salt Lake City, UT) (ENR #377) merged with architecture and interior design firm erstad (Boise, ID). Link to details >

6/22/2026
Braun Intertec (Bloomington, MN) (ENR #135), a geotechnical engineering, environmental consulting, and testing firm, acquired Nienow Cultural Consultants (Saint Paul, MN), a cultural resources management firm focused on archaeological services in the Upper Midwest. Link to details >

6/22/2026
Brightstar Capital Partners (New York, NY) acquired Erdman (Madison, WI), an architecture and engineering firm specializing in healthcare and senior living facility design. Link to details >

6/22/2026
EPS Group (Mesa, AZ), a civil engineering, planning, landscape architecture, and construction management firm, acquired TST (Fort Collins, CO), a firm specializing in civil engineering, master planning, and landscape architecture. Link to details >

6/22/2026
MP Design Group (Biloxi, MS) entered a strategic partnership with Mereo Capital Partners (Conshohocken, PA) and Charter Oak Equity (Westport, CT). Link to details >

6/24/2026
Multi-disciplined engineering and environmental firm GEI Consultants (Woburn, MA) (ENR #79) acquired
PERC Engineering (Houston, TX), an engineering firm and project management firm serving the energy industry. Link to details >

6/24/2026
New Mountain Capital (New York, NY) made a majority investment in RRC Companies (Austin, TX), a firm specializing in integrated engineering and field services for utility-scale renewable energy and battery storage projects. Link to details >

6/24/2026
Schneider Geospatial (Indianapolis, IN) acquired New England GeoSystems (Branford, CT), a firm that provides GIS web-based mapping software and services to local governments. Link to details >

6/24/2026
Forensic consulting, engineering, and risk mitigation services firm YA Group (St. Louis, MO) acquired Carr Engineering (Houston, TX), a firm specializing in motor vehicle crash reconstruction, design analysis, and biomechanics. Link to details >

Global Transactions

6/11/2026
TPA Capital (London, UK) entered a strategic partnership with Lysander (Godalming, UK), a multi-disciplinary construction firm delivering PM, cost management, and building surveying services. Link to details >

6/17/2026
Civil engineering firm Haskoning (Amersfoort, The Netherlands) acquired the remaining 51% stake in Next (Zurich, Switzerland), an engineering firm specializing in integral data center design. Link to details >

6/18/2026
Incosa (Valladolid, Spain), an engineering firm with expertise in energy, infrastructure, and environmental services, acquired JG Ingenieros (Barcelona, Spain), a firm specializing in engineering and architecture for highly complex buildings. Link to details >

6/23/2026
Global infrastructure engineering firm Nippon Koei (Tokyo, Japan) acquired Mikado Rail (Melbourne, Australia), a firm that specializes in PM and technical consulting for railway systems including signaling, operations management, and communications. Link to details >