June 1 – ISG (Mankato, MN), an architecture, engineering, environmental, and planning firm, acquired R.E. Warner & Associates (North Olmsted, OH), a multidisciplinary engineering and architecture firm. The acquisition expands ISG’s technical expertise and presence in the Midwest. [More information]

June 1 – DJ&A (Missoula, MT), an engineering, surveying, environmental, and planning firm, formed a strategic partnership with WEST Consultants (San Diego, CA), a water resources engineering firm. The partnership strengthens DJ&A’s water resources capabilities. [More information]

June 1 – SLR (Aylesbury, UK), an environmental and advisory consultancy, acquired Anchor Environmental Consultants (Cape Town, South Africa), a specialist in marine science and natural capital accounting. The acquisition expands SLR’s environmental advisory capabilities in Africa. [More information]

June 1 – RSK Group (Helsby, UK), an environmental consulting and engineering firm, acquired CELIGEO (Auvergne-Rhône-Alpes, France), a geotechnical engineering specialist. The acquisition strengthens RSK’s geotechnical services in France. [More information]

June 1 – COWI (Lyngby, Denmark), an engineering and consulting firm, acquired PUNCH Consulting Engineers (Cork City, Ireland), a civil and structural engineering firm. The acquisition expands COWI’s presence in Ireland. [More information]

June 1 – EnSafe (Memphis, TN), an environmental consulting firm, acquired Porewater Solutions (Ottawa, Canada), a firm specializing in PFAS modeling, remediation, and environmental forensics. The acquisition enhances EnSafe’s contaminant assessment and remediation capabilities. [More information]

June 1 – AKS Engineering & Forestry (Tualatin, OR), an engineering, surveying, environmental, forestry, and landscape architecture firm, entered into a strategic partnership with Lanktree Land Surveying (Kent, WA), a land surveying firm. The partnership expands AKS Engineering & Forestry’s surveying capabilities in the Pacific Northwest. [More information]

June 1 – Beca (Auckland, New Zealand), an advisory, design, and engineering firm, acquired CQG Consulting (Rockhampton, Australia), an environmental and planning consultancy. The acquisition expands Beca’s environmental advisory services in Australia. [More information]

June 2 – IMEG Corp. (Rock Island, IL), an engineering firm, acquired Rodriguez Transportation Group (Austin, TX), an engineering and planning firm specializing in transportation infrastructure. The acquisition strengthens IMEG’s transportation engineering capabilities in Texas. [More information]

June 2 – ZenaTech (Toronto, Canada), a technology firm specializing in AI drones and enterprise software, acquired High Prairie Survey Company (Kiowa, CO), a land survey engineering firm. The acquisition expands ZenaTech’s surveying and geospatial capabilities. [More information]

June 2 – Salas O’Brien (Irvine, CA), an engineering and technical consulting firm, made a major investment in Evolve Steel (Boise, ID), a steel fabrication and erection company. The investment expands Salas O’Brien’s integrated project delivery capabilities. [More information]

June 2 – TND Geomatics (Richland Hills, TX) merged with Spry Surveyors (North Richland Hills, TX), combining two land surveying firms. The merger strengthens the combined firm’s surveying capabilities across North Texas. [More information]

June 2 – Sweco (Stockholm, Sweden), an engineering and architecture firm, signed an agreement to acquire Platom (Mikkeli, Finland), a specialist in nuclear engineering and radiation safety. The acquisition expands Sweco’s nuclear engineering capabilities. [More information]

June 2 – Arup (London, UK), a built environment consulting firm, acquired EnTrade (Bath, UK), an environmental markets platform that connects investment with nature-based projects. The acquisition strengthens Arup’s environmental and sustainability advisory services. [More information]

June 2 – GLJ (Calgary, Canada), an energy consulting firm, acquired Petrel Robertson Consulting (Calgary, Canada), a geoscience and engineering consultancy specializing in subsurface projects. The acquisition enhances GLJ’s subsurface consulting capabilities. [More information]

June 3 – Littlejohn & Co. (Greenwich, CT), a private investment firm, acquired Milrose Consultants (New York, NY), a building code, permitting, architecture, and engineering consulting firm. The acquisition supports Milrose’s continued growth in regulatory and development advisory services. [More information]

June 3 – S. Kanetzky Engineering (Austin, TX), an electrical and power engineering firm, joined WGI (West Palm Beach, FL), an engineering and professional services firm. The transaction strengthens WGI’s water and wastewater infrastructure capabilities. [More information]

June 4 – Ghafari Associates (Dearborn, MI), an architecture and engineering firm, acquired BBG&S Engineering Consultants (Birmingham, AL), a mechanical engineering firm specializing in commissioning, HVAC, plumbing, fuel systems, and fire protection. The acquisition expands Ghafari’s building systems expertise. [More information]

June 4 – Certerra (Rancho Cucamonga, CA), a testing, inspection, and certification services firm, acquired Paramount Consulting & Engineering (Miami, FL), a building envelope consulting and testing firm. The acquisition expands Certerra’s building enclosure services. [More information]

June 4 – Guardian Infrastructure Services (New York, NY), a utility infrastructure services platform, acquired E2 Consulting Engineers (Emeryville, CA), an engineering and project management firm serving electric and gas utilities. The acquisition strengthens Guardian’s utility infrastructure platform. [More information]

June 4 – Champlin | EOP (Cincinnati, OH), an architecture, planning, and interior design firm, acquired 510 Architects (Richmond, VA), an architecture and interior design firm. The acquisition expands Champlin | EOP’s architectural practice in the Mid-Atlantic. [More information]

June 4 – XPartners (Stockholm, Sweden), a platform of environmental and civil engineering firms, acquired Costa Laskenta (Helsinki, Finland), a quantity surveying and cost management consultancy. The acquisition expands XPartners’ project cost management services. [More information]

June 5 – Phenna Group (London, UK), a testing, inspection, certification, and compliance firm, acquired Begalvi (Valencia, Spain), a compliance management and SaaS provider serving homeowners associations. The acquisition expands Phenna Group’s digital compliance capabilities. [More information]

June 9 – Sweco (Stockholm, Sweden), an engineering and architecture firm, entered into an agreement to acquire Sitowise Sverige AB (Stockholm, Sweden), a firm specializing in structural engineering, building systems, project management, and transportation infrastructure. The acquisition strengthens Sweco’s multidisciplinary engineering services in Sweden. [More information]

June 9 – Benford Capital Partners (Chicago, IL), a private equity firm, entered into a strategic partnership with CGRS (Fort Collins, CO), a firm providing testing, inspection, compliance, environmental, specialty construction, monitoring, and infrastructure services. The partnership supports CGRS’s continued growth and expansion of its infrastructure services platform. [More information]

June 10 – Agathos AEC (Galveston, TX), an architecture and engineering platform, acquired Peterson Engineering (Pensacola, FL), a firm specializing in MEP and fire protection design for military and mission-critical facilities. The acquisition expands Agathos AEC’s building systems expertise and federal market presence. [More information]

June 11 – Certerra (Rancho Cucamonga, CA), a testing, inspection, and certification services firm, acquired Code NDT (Anaheim, CA), a provider of non-destructive testing services specializing in ultrasonic, radiographic, magnetic particle, and advanced inspection methods. The acquisition strengthens Certerra’s infrastructure inspection capabilities. [More information]

June 11 – Adler & Allan (Harrogate, UK), an environmental risk reduction services firm, acquired Vertase (Bristol, UK), a contaminated land remediation specialist. The acquisition expands Adler & Allan’s environmental remediation capabilities. [More information]

June 11 – MTE Consultants (Kitchener, Canada), a multidisciplinary engineering and surveying firm, acquired Fishburn Sheridan & Associates (Ottawa, Canada), an engineering firm specializing in building science and structural engineering. The acquisition strengthens MTE’s building engineering services in Ontario. [More information]

June 11 – Roux (Islandia, NY), an environmental consulting and remediation firm, acquired KPRG and Associates (Westmont, IL), an environmental consulting firm specializing in compliance, site investigation, remedial design, construction, and litigation support. The acquisition expands Roux’s environmental remediation and compliance services in the Midwest. [More information]

June 11 – TPA Capital (London, UK), a private investment firm, entered into a strategic partnership with Lysander (Godalming, UK), a multidisciplinary construction consultancy providing project management, cost management, and building surveying services. The partnership supports Lysander’s continued growth across the UK. [More information]

June 11 – Haley Ward (Bangor, ME), a multidisciplinary engineering, architecture, environmental, and surveying firm, acquired Conceptual Design Group (Stuart, FL), a landscape architecture and planning firm. The acquisition expands Haley Ward’s landscape architecture and planning services in the Southeast. [More information]

June 11 – Axis Environmental Services (Limerick, Ireland), an environmental monitoring, testing, and compliance firm, joined Celnor Group (London, UK), a testing, inspection, certification, and compliance services platform. The transaction expands Celnor Group’s environmental monitoring capabilities in Ireland. [More information]

June 15 – Ardurra Group (Miami, FL), an engineering and infrastructure consulting firm, acquired Kelly Engineers (Glen Mills, PA), a firm specializing in municipal consulting, private land development, wastewater resources, and land surveying. The acquisition strengthens Ardurra’s municipal engineering presence in the Mid-Atlantic. [More information]

June 15 – ESP Associates (Fort Mill, SC), a multidisciplinary engineering, environmental, surveying, and planning firm, acquired McClelland Consulting Engineers (Little Rock, AR), a civil engineering firm specializing in water, wastewater, aviation, transportation, and geotechnical services, and Roadway Asset Services (Austin, TX), a firm focused on pavement and transportation asset management. The acquisitions expand ESP Associates’ transportation and infrastructure capabilities across the South. [More information]

June 15 – SDR Engineering (Baton Rouge, LA), a transportation engineering firm specializing in structural and bridge engineering, joined WGI (West Palm Beach, FL), an engineering and professional services firm. The transaction strengthens WGI’s bridge engineering and transportation infrastructure capabilities. [More information]

June 15 – Choctaw Engineering (Fort Walton Beach, FL), a civil engineering and land surveying firm, joined LJA Engineering (Houston, TX), an engineering and infrastructure consulting firm. The transaction expands LJA Engineering’s civil engineering and surveying capabilities in Florida. [More information]

June 15 – Celnor Group (London, UK), a testing, inspection, certification, and compliance services platform, acquired Calbarrie Compliance Services (Cheltenham, UK), a provider of electrical testing, compliance, and safety services. The acquisition strengthens Celnor Group’s electrical compliance and testing capabilities. [More information]

June 16 – Langan (Parsippany, NJ), a land development, environmental, and site engineering firm, acquired Kirkman Engineering (Dallas, TX), a firm specializing in commercial, industrial, and residential land development. The acquisition expands Langan’s land development services in Texas. [More information]

June 16 – Leonard Green & Partners (Los Angeles, CA), a private equity firm, acquired Cumming Group (New York, NY), a project and construction management firm, from New Mountain Capital. The acquisition supports Cumming Group’s continued global growth and expansion. [More information]

June 16 – Mantis Innovation (Houston, TX), a facility performance and energy services firm, acquired E4E Solutions (Atlanta, GA), a firm specializing in MEP engineering, energy assessments, and design-build project delivery. The acquisition expands Mantis Innovation’s engineering and energy consulting capabilities. [More information]

June 16 – Global Ecology and Environmental Group (London, UK), an ecological and environmental consulting platform, acquired Nicholas Pearson Associates (Bath, UK), a firm specializing in environmental consulting, landscape architecture, ecology, and visualization. The acquisition strengthens the platform’s multidisciplinary environmental services across the UK. [More information]

June 17 – New Mountain Capital (New York, NY), a private investment firm, made a majority investment in Commonwealth Associates (Jackson, MI), a power engineering firm specializing in substations, transmission and distribution, and power generation infrastructure. The investment supports Commonwealth Associates’ continued growth in the power sector. [More information]

June 17 – DJ&A (Missoula, MT), an engineering, surveying, environmental, and planning firm, merged with Robinson Engineering (Frankfort, IL), a firm specializing in municipal engineering, transportation, water and wastewater management, construction services, stormwater management, and land surveying. The merger expands DJ&A’s municipal infrastructure services in the Midwest. [More information]

June 18 – FFKR Architects (Salt Lake City, UT), a multidisciplinary architecture and design firm, merged with erstad (Boise, ID), an architecture and interior design firm. The merger expands FFKR Architects’ design capabilities and regional presence across the Mountain West. [More information]

June 18 – Incosa (Valladolid, Spain), an engineering firm specializing in energy, infrastructure, and environmental services, acquired JG Ingenieros (Barcelona, Spain), a firm focused on engineering and architecture for complex buildings. The acquisition strengthens Incosa’s building engineering expertise. [More information]

June 18 – Signal Hill Equity Partners (Toronto, Canada), a private equity firm, partnered with Omni Associates Architects (Fairmont, WV) to expand a national architecture, engineering, and design platform. The partnership supports Omni Associates Architects’ long-term growth strategy. [More information]

June 18 – Verdantas (Tampa, FL), an environmental and engineering consulting firm, acquired Yu & Associates (Elmwood Park, NJ), a geotechnical, environmental, and civil engineering firm. The acquisition expands Verdantas’ environmental and infrastructure capabilities in the Northeast. [More information]

June 22 – Braun Intertec (Bloomington, MN), a geotechnical engineering, environmental consulting, and testing firm, acquired Nienow Cultural Consultants (Saint Paul, MN), a cultural resources management firm specializing in archaeological services. The acquisition expands Braun Intertec’s cultural resources capabilities across the Upper Midwest. [More information]

June 22 – Brightstar Capital Partners (New York, NY), a private investment firm, acquired Erdman (Madison, WI), an architecture and engineering firm specializing in healthcare and senior living design. The acquisition supports Erdman’s continued growth in healthcare design and project delivery. [More information]

June 22 – 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. The acquisition expands EPS Group’s presence in Colorado and strengthens its land development services. [More information]

June 22 – MP Design Group (Biloxi, MS) entered into a strategic partnership with Mereo Capital Partners (Conshohocken, PA) and Charter Oak Equity (Westport, CT). The partnership supports MP Design Group’s long-term growth and expansion strategy. [More information]

June 23 – Nippon Koei (Tokyo, Japan), a global infrastructure engineering firm, acquired Mikado Rail (Melbourne, Australia), a project management and technical consulting firm specializing in railway systems. The acquisition expands Nippon Koei’s rail consulting capabilities in Australia. [More information]

June 24 – GEI Consultants (Woburn, MA), a multidisciplinary engineering and environmental consulting firm, acquired PERC Engineering (Houston, TX), an engineering and project management firm serving the energy industry. The acquisition strengthens GEI Consultants’ energy sector capabilities. [More information]

June 24 – New Mountain Capital (New York, NY), a private investment firm, made a majority investment in RRC Companies (Austin, TX), an engineering and field services firm specializing in utility-scale renewable energy and battery storage projects. The investment supports RRC Companies’ continued growth in renewable energy infrastructure. [More information]

June 24 – Schneider Geospatial (Indianapolis, IN) acquired New England GeoSystems (Branford, CT), a provider of GIS web-based mapping software and services for local governments. The acquisition expands Schneider Geospatial’s GIS software and municipal services platform. [More information]

June 24 – YA Group (St. Louis, MO), a forensic consulting, engineering, and risk mitigation firm, acquired Carr Engineering (Houston, TX), a firm specializing in motor vehicle crash reconstruction, design analysis, and biomechanics. The acquisition broadens YA Group’s forensic engineering capabilities. [More information]

June 24 – Ecology Group (London, UK), an ecological and environmental consulting platform, acquired E3P (Manchester, UK), a multidisciplinary consultancy specializing in acoustics, arboriculture, ecology, and contaminated land services. The acquisition expands Ecology Group’s environmental consulting capabilities across the UK. [More information]

June 25 – T. Baker Smith (Houma, LA), a surveying, engineering, and environmental consulting firm, acquired BFM Corporation (Kenner, LA), a land and hydrographic surveying firm. The acquisition strengthens T. Baker Smith’s surveying capabilities across Louisiana. [More information]

June 29 – Lowe Engineers (Atlanta, GA), an engineering, land surveying, and geospatial consulting firm, joined MacKay (Vancouver, WA), a civil engineering, land surveying, and environmental services firm. The transaction establishes MacKay’s first significant presence in the Southeast and provides a platform for future regional growth. [More information]

June 29 – UES (Universal Engineering Sciences) (Orlando, FL), a geotechnical, environmental, and construction materials engineering firm, acquired Andreyev Engineering (Sanford, FL), a hydrogeological, geotechnical, and environmental engineering firm. The acquisition expands UES’s environmental and geotechnical capabilities in Florida. [More information]

June 29 – McKim & Creed (Raleigh, NC), an engineering, planning, and geospatial services firm, acquired Davis Martin Powell (High Point, NC), a civil engineering and surveying firm. The acquisition strengthens McKim & Creed’s presence and service capabilities across North Carolina. [More information]

June 29 – AKS Engineering & Forestry (Tualatin, OR), an engineering, surveying, environmental, forestry, and landscape architecture firm, entered into a strategic partnership with Klein & Associates (Hood River, OR), a surveying, civil engineering, and materials testing firm. The partnership expands AKS Engineering & Forestry’s multidisciplinary services in Oregon. [More information]

June 29 – GEI Consultants (Woburn, MA), a geotechnical, environmental, and water resources engineering firm, acquired Hayre McElroy & Associates (Redmond, WA), a special inspection, materials testing, and geotechnical engineering firm. The acquisition expands GEI Consultants’ geotechnical and construction services in the Pacific Northwest. [More information]

June 30 – RTM Engineering Consultants (Schaumburg, IL), an MEP, civil, and structural engineering consulting firm, merged with A.V. Schwan & Associates (Scottsdale, AZ), a structural engineering firm. The merger strengthens RTM Engineering Consultants’ structural engineering capabilities in the Southwest. [More information]

June 30 – PAE Engineers (Portland, OR), a mechanical, electrical, plumbing, and regenerative design engineering firm, entered into a partnership with Hennick & Company (Toronto, Canada), a private investment firm. The partnership supports PAE Engineers’ continued growth and expansion. [More information]

June 30 – New City Design Group (Raleigh, NC) merged with INVISION (Waterloo, IA), an architecture and planning firm. The merger expands INVISION’s design capabilities and strengthens its presence in the Southeast through The HFW Companies network. [More information]

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