September 1 – Corgan (Dallas, TX), an architecture and design firm, acquired Duda|Paine Architects (Durham, NC), an architecture firm specializing in commercial office, higher education, research, and wellness-focused environments. The acquisition establishes Corgan’s presence in North Carolina and expands its architectural design capabilities. [More information]
September 1 – IMEG (Rock Island, IL) acquired Bennett Engineering (Freeport, ME), an engineering firm specializing in MEP, fire protection, telecommunications, and lighting design. The acquisition expands IMEG’s building systems capabilities and establishes its presence in Maine. [More information]
September 1 – SMRT (Portland, ME), an integrated architecture and engineering firm, acquired Petersen Engineering (Portsmouth, NH), an MEP and fire protection firm specializing in high-performance design, energy modeling, load reduction, and decarbonization. The acquisition strengthens SMRT’s high-performance building engineering capabilities across the Northeast. [More information]
September 1 – A2H (Lakeland, TN), an architecture and engineering firm, acquired SpiritArchitecture Group (Collierville, TN), a firm specializing in the planning, programming, and design of justice facilities. The acquisition expands A2H’s expertise in justice and civic facility design. [More information]
September 1 – APEM (Manchester, UK), an environmental data, intelligence, and advisory firm, entered into an agreement to acquire Resource Strategies (Milton, Australia), an environmental approvals firm specializing in major project coordination, strategic environmental advice, and rehabilitation and closure support. The acquisition expands APEM’s environmental advisory capabilities in Australia. [More information]
September 1 – Binnie (Burnaby, Canada), an engineering, planning, and infrastructure firm, acquired Colquitz Engineering (Victoria, Canada), a consulting engineering firm specializing in water resources and municipal infrastructure. The acquisition strengthens Binnie’s water and municipal engineering capabilities in British Columbia. [More information]
September 1 – EIS (Westlake, TX), an environmental services firm, acquired Environmental Construction (Tampa, FL), a firm providing commercial demolition, asbestos and lead-based paint abatement, mold remediation, and concrete cutting services. The acquisition expands EIS’s environmental remediation and specialty contracting capabilities. [More information]
September 2 – Geotherm (Katy, TX), a firm specializing in thermal resistivity testing and soil thermal property evaluation for power infrastructure, joined UES (Orlando, FL), an engineering and testing firm. The transaction expands UES’s capabilities supporting power transmission and distribution projects. [More information]
September 3 – Cushing Terrell (Billings, MT), a multidisciplinary architecture, engineering, and design firm, entered into a strategic partnership with CIVC Partners (Chicago, IL), a private equity firm. The partnership supports Cushing Terrell’s continued growth and strategic expansion. [More information]
September 3 – Ecology Group (London, UK), a platform of ecological and environmental consulting firms, acquired Focus Environmental Consultants (Worcester, UK), a firm specializing in ecology, arboriculture, and habitat management. The acquisition broadens Ecology Group’s environmental consulting capabilities in the UK. [More information]
September 6 – BTW Company (New Plymouth, New Zealand), a multidisciplinary firm providing surveying, engineering, planning, environmental science, and geospatial services, joined RSK Group (Helsby, UK), an environmental and engineering consulting firm. The transaction expands RSK Group’s multidisciplinary capabilities and presence in New Zealand. [More information]
September 7 – Multiconsult (Oslo, Norway) and Rejlers (Stockholm, Sweden), two multidisciplinary engineering and consulting firms, announced plans to merge and form Multiconsult Rejlers. The proposed merger will create a larger engineering consulting platform with an expanded presence across the Nordic region. [More information]
September 8 – Artelia (Saint-Ouen-sur-Seine, France), a global engineering and consulting firm, acquired SOPSEC (Vila Nova de Gaia, Portugal), a building engineering firm providing design, construction management and supervision, and sustainability consulting services. The acquisition expands Artelia’s building engineering capabilities and presence in Portugal. [More information]
September 9 – Cudd Bentley (Ascot, UK), a building services engineering and sustainability firm, joined GSBC (London, UK), a platform of built environment firms focused on high-performance, low-carbon buildings. The transaction expands GSBC’s mechanical, electrical, public health, and specialist lighting design capabilities. [More information]
September 9 – Hafer (Evansville, IN), a multidisciplinary architecture and design firm, joined Galloway & Company (Greenwood Village, CO), an architecture and engineering firm. The transaction expands Galloway’s architecture, interior design, MEP engineering, landscape architecture, planning, and sustainable design capabilities. [More information]
September 9 – ALL4 (Kimberton, PA), an environmental consulting firm, acquired Koogler and Associates (Gainesville, FL), a firm specializing in air quality permitting, compliance, emissions testing, and monitoring. The acquisition strengthens ALL4’s air quality consulting capabilities and presence in Florida. [More information]
September 9 – Integral Consulting (Boulder, CO), an environmental consulting firm, acquired Heritage Environmental Consultants (Denver, CO), a firm providing environmental planning, permitting, and scientific services. The acquisition expands Integral Consulting’s environmental capabilities and presence in the Mountain West. [More information]
September 9 – PE Gate (Toronto, Canada), a private equity firm, acquired Naylor Design (Toronto, Canada), a commercial architecture and interiors firm, and Kramer Design Associates (Toronto, Canada), a multidisciplinary design firm specializing in wayfinding, experiential design, branding, and digital media. The acquisitions expand PE Gate’s architecture and design platform. [More information]
September 9 – Delta Consulting Group (Woodbridge, VA), a project advisory and forensic consulting firm, acquired Osborne Partners (London, UK), a firm specializing in arbitration, economic regulation, public policy, commercial strategy, and litigation support. The acquisition expands Delta Consulting Group’s dispute resolution and advisory capabilities internationally. [More information]
September 10 – RSK Group (Helsby, UK) acquired Mason Street Furniture (Podington, UK), a highways contractor specializing in street lighting, traffic systems, fiber networks, and electric vehicle infrastructure. The acquisition expands RSK Group’s highways and infrastructure capabilities in the UK. [More information]
September 10 – Audax Private Equity (Boston, MA) acquired Integral Consulting (Boulder, CO), a science and engineering firm addressing environmental, health, economic, and natural resource challenges, from Imperial Capital. The investment supports Integral Consulting’s continued growth across environmental and technical consulting markets. [More information]
September 10 – Caltius Structured Capital (Los Angeles, CA) made an investment in DCI Engineers (Seattle, WA), a multidisciplinary firm providing structural, surveying, civil, and industrial engineering services. The investment supports DCI Engineers’ continued growth and expansion. [More information]
September 11 – Spheros Environmental (Denver, CO) acquired Panorama Environmental (San Francisco, CA), a firm specializing in environmental planning, regulatory compliance and permitting, GIS, technical studies, construction monitoring, and public engagement. The acquisition expands Spheros Environmental’s environmental planning and permitting capabilities in California. [More information]
September 13 – RSK Group (Helsby, UK), an environmental and engineering consulting firm, acquired Cogency (Melbourne, Australia), a planning, environmental assessment, and engagement firm. The acquisition strengthens RSK Group’s planning, approvals, and stakeholder engagement capabilities in Australia. [More information]
September 14 – TMC (Orlando, FL), a roadway, traffic design, and land development planning firm, acquired WBQ Design & Engineering (Orlando, FL), a transportation engineering firm serving public sector transportation agencies. The acquisition expands TMC’s transportation engineering capabilities in Florida. [More information]
September 14 – Wold Architects and Engineers (Minneapolis, MN), a planning, architecture, and engineering firm, acquired Klein McCarthy Architects (St. Louis Park, MN), an architecture firm specializing in justice centers, correctional facilities, public safety buildings, and civic projects. The acquisition strengthens Wold’s government and justice design practice. [More information]
September 15 – Core States Group (West Chester, PA), an architecture, engineering, and construction firm, acquired Hurley & Stewart (Kalamazoo, MI), a civil engineering, land surveying, and landscape architecture firm. The acquisition expands Core States Group’s civil engineering and land development capabilities. [More information]
September 15 – STV (New York, NY), an architecture and engineering firm, acquired CHAMPS (Laguna Hills, CA), a utility power engineering firm specializing in substation engineering and design, protection, control and automation, and construction support. The acquisition strengthens STV’s power and utility infrastructure capabilities. [More information]
September 15 – ZenaTech (Toronto, Canada), a technology and Drone-as-a-Service firm, acquired Merritt Paul Land Surveying (Franklin, GA), a land surveying firm serving utility-scale solar, battery storage, and other infrastructure projects. The acquisition expands ZenaTech’s surveying capabilities and presence in the Southeast. [More information]
September 15 – Coleman Engineering (Roseville, CA), a water and wastewater engineering firm, joined Salas O’Brien (Irvine, CA), an engineering and technical consulting firm. The transaction expands Salas O’Brien’s water and wastewater planning, design, construction, and operations capabilities. [More information]
September 15 – RedCloud Capital (Denver, CO) partnered with APS Environmental Group (Bedford, NH), an environmental services firm providing testing, inspection, consulting, and abatement services. The partnership supports APS Environmental Group’s continued growth and expansion. [More information]
September 16 – Englobe (Laval, Canada), an engineering and environmental services firm, acquired Reinbold Engineering Group (Calgary, Canada), a mechanical engineering firm specializing in building systems design, energy modeling, commissioning, and sustainable design. The acquisition strengthens Englobe’s building engineering capabilities in Canada. [More information]
September 17 – Consertus (Miami, FL), a program and construction management firm, acquired S2 Engineering (Rancho Cucamonga, CA), a firm providing construction oversight, field inspection, engineering support, materials testing, and quality assurance services. The acquisition expands Consertus’ construction and engineering capabilities in California. [More information]
September 17 – Ara Partners (Houston, TX), a private markets firm focused on industrial decarbonization, acquired a majority interest in Bryden Wood (London, UK), a strategy, design, and engineering firm serving pharmaceuticals, low-carbon industries, and data centers. The investment supports Bryden Wood’s continued growth across international and low-carbon markets. [More information]
September 17 – CVC (Luxembourg, Luxembourg) acquired a stake in Ridge (Woodstock, UK), a multidisciplinary built environment firm providing planning, advisory, design, engineering, and program and project management services, from Horizon Capital. The investment supports Ridge’s continued growth and expansion. [More information]