Zweig Group is the leading advisory firm for the AEC industry, providing expert guidance across the entire M&A lifecycle. With deep industry knowledge and decades of experience, we help firms navigate transactions, maximize value, and create long-term growth opportunities for shareholders. Whether you're buying, selling, or planning for the future, our Mergers & Acquisitions Advisory team is here to support you every step of the way.
February 2 – AG&E (Dallas, TX), a structural engineering firm, acquired ACME Steel Detailing (Salt Lake City, UT), a structural steel detailing firm. The acquisition expands AG&E’s structural detailing and fabrication support capabilities. [More information]
February 2 – Consor (Houston, TX), an infrastructure engineering and consulting firm, acquired Cavnue (Washington, D.C.), a firm specializing in smart road technologies. The acquisition enhances Consor’s capabilities in connected and intelligent transportation systems. [More information]
February 2 – Sedgman (South Bank, Australia), a minerals processing and infrastructure services firm, acquired FSI Engineering and Design (Gilbert, AZ), expanding its North American footprint and strengthening its minerals processing platform. [More information]
February 2 – Phenna Group (Nottingham, UK) completed its second transaction of the week with the acquisition of MDS (Madrid, Spain), a firm focused on occupational health and safety services. The acquisition further expands Phenna’s compliance services in Spain. [More information]
February 2 – Rejlers (Stockholm, Sweden), an engineering consultancy, acquired Ingenjörsfirman Rörkraft (Lund, Sweden), an engineering firm providing water treatment, energy transition, defense, industrial, and environmental services. The acquisition strengthens Rejlers’ infrastructure and energy capabilities. [More information]
February 2 – Dalcour Maclaren (Chesterton, UK), an environmental consultancy, acquired Geomap (Nailsworth, UK), a geomatics and land surveying firm serving the water and wastewater sector. The acquisition expands Dalcour Maclaren’s surveying and geomatics services. [More information]
February 2 – Haskoning (Amersfoort, The Netherlands), a civil engineering firm, acquired Portwise (Rijswijk, The Netherlands), a consultancy specializing in port and terminal planning and simulation. The acquisition strengthens Haskoning’s maritime infrastructure advisory services. [More information]
February 3 – Davey Resource Group (Kent, OH) acquired Cal Engineering Solutions (Alpharetta, GA), a design and engineering firm supporting electric transmission and distribution providers. The acquisition expands Davey Resource Group’s engineering capabilities in the power sector. [More information]
February 3 – Pape-Dawson Engineers (San Antonio, TX), a civil engineering, environmental, and surveying firm, acquired Prism Engineering (Louisville, KY), a civil engineering firm. The acquisition expands Pape-Dawson’s presence in Kentucky. [More information]
February 3 – RailPros (Irving, TX), a rail and transit engineering and field services firm, acquired Diverging Approach (Williamsburg, VA), a firm specializing in signal and crossing systems. The acquisition strengthens RailPros’ signal engineering capabilities. [More information]
February 3 – Schemmer (Omaha, NE), an architectural, engineering, and planning firm, acquired Convergence Design (Kansas City, MO), an architecture and planning firm. The acquisition expands Schemmer’s design services in the Midwest. [More information]
February 3 – Colliers International (Toronto, Canada) entered into a definitive agreement to acquire Ayesa Engineering (Seville, Spain), a multidisciplinary engineering and project management firm. The acquisition strengthens Colliers’ global engineering and infrastructure platform. [More information]
February 3 – Agathos AEC (Galveston, TX), a growth platform for architecture, engineering, and specialty design firms, expanded in California through the acquisition of Plump Engineering (Anaheim, CA) and JMPE Electrical Engineering (Santa Barbara, CA). The transactions strengthen Agathos AEC’s multidisciplinary engineering and electrical design capabilities in the state. [More Information]
February 4 – Colliers Engineering & Design (Holmdel, NJ) acquired Ramos Consulting Services (Downey, CA), a firm providing program management, construction management, and engineering services for major public transit projects. The acquisition expands Colliers’ transit infrastructure capabilities. [More information]
February 4 – DAR Investment Management (Washington, D.C.) acquired a controlling interest in Intecsa Engineering Group (Madrid, Spain), a firm specializing in transportation, water, environmental, and civil infrastructure projects. The investment supports Intecsa’s continued growth and international expansion. [More information]
February 5 – Schneider Geospatial (Indianapolis, IN) acquired Bruce Harris & Associates (Batavia, IL), a GIS consulting firm specializing in parcel mapping, geodatabase design, GIS integration, and land records modernization. The acquisition strengthens Schneider Geospatial’s public-sector GIS platform. [More information]
February 5 – 2IM Group (Chicago, IL), an engineering and environmental services firm specializing in program management, environmental services, and infrastructure support, joined MacKay Sposito (Vancouver, WA), a multidisciplinary consulting firm. The transaction expands MacKay Sposito’s environmental and infrastructure services capabilities in the Midwest. [More information]
February 5 – Keller (Kaukauna, WI), a 100 percent employee-owned design-build general contractor, acquired Hoffman Planning, Design & Construction (Appleton, WI), a design and construction management firm. The acquisition strengthens Keller’s integrated project delivery and construction management capabilities. [More information]
February 6 – Bogart, Pederson & Associates (Becker, MN), a land surveying and civil engineering firm, merged with Widseth (Baxter, MN), an architecture, engineering, environmental, and surveying firm. The merger expands multidisciplinary capabilities across Minnesota. [More information]
February 6 – TYLin (San Francisco, CA), a global engineering firm, acquired Kilborn Consulting (Wellingborough, UK), a rail systems consultancy specializing in command, control, and signalling. The acquisition strengthens TYLin’s rail systems expertise in the UK. [More information]
February 6 – Drumacross (St. Albans, UK), a commercial, procurement, and project management specialist, acquired Croftstone (Stratford-upon-Avon, UK), a quantity surveying and commercial management firm. The acquisition enhances Drumacross’ cost and project management capabilities. [More information]
February 9 – SLR (Aylesbury, UK), a global environmental and advisory consultancy, acquired SB&CO (London, UK), a firm specializing in sustainability strategy, technical advisory, and sustainability communications. The acquisition enhances SLR’s sustainability advisory and ESG communications platform. [More information]
February 10 – Stratus Team (Coraopolis, PA), an engineering, architecture, and consulting firm, acquired Kestrel Engineering Group (Vancouver, WA), an industrial process facilities engineering and design firm. The acquisition expands Stratus Team’s industrial engineering capabilities. [More information]
February 10 – Integral Consulting (Boulder, CO), an environmental, scientific, and engineering firm, acquired H. T. Harvey & Associates (Los Gatos, CA), an ecological consulting firm. The acquisition strengthens Integral Consulting’s ecological science and environmental services platform. [More information]
February 10 – SLR (Aylesbury, UK) completed its second transaction of the week with the acquisition of Avaanz (Guelph, Canada), an environmental and socio-economic consulting firm serving the energy and mining sectors. The acquisition expands SLR’s advisory services in North America. [More information]
February 11 – ALL4 (Kimberton, PA), an environmental, health, safety, sustainability, and digital solutions firm, acquired Tora Consulting (Columbia, SC), an environmental and engineering consulting firm. The acquisition expands ALL4’s regional presence and environmental consulting capabilities in the Southeast. [More information]
February 11 – CSA Ocean Sciences (Stuart, FL), an environmental firm supporting energy transition and coastal infrastructure projects, joined APEM Group (Stockport, UK), an environmental and geospatial services firm. The transaction strengthens APEM Group’s marine and coastal advisory services in North America. [More information]
February 11 – Raimi + Associates (Berkeley, CA), a planning firm, joined Alta Planning + Design (Portland, OR), a planning, landscape architecture, urban design, engineering, and community engagement firm. The transaction expands Alta’s planning and urban design capabilities on the West Coast. [More information]
February 11 – Azuria Water Solutions (St. Louis, MO), a provider of technology-enabled solutions for the water industry, acquired Caliagua (Anaheim, CA), a firm specializing in the construction, rehabilitation, and modernization of water and wastewater systems. The acquisition expands Azuria’s construction and rehabilitation capabilities in California. [More information]
February 11 – XPartners (Stockholm, Sweden), a platform of companies in the environmental and civil engineering industries, acquired Wi Landskap AB (Stockholm, Sweden), a landscape architecture firm specializing in cultural heritage environments. The acquisition strengthens XPartners’ design and planning expertise in Sweden. [More information]
February 11 – Pinyon Environmental (Lakewood, CO) acquired Confluence Consulting (Bozeman, MT), a science-based water resources consulting firm specializing in stream engineering and wetland restoration. The acquisition expands Pinyon Environmental’s water resources and ecological restoration services. [More information]
February 13 – Nobis Group (Concord, NH), an engineering and environmental consulting firm, acquired Northeast Civil Solutions (NCS) (Scarborough, ME), a land surveying, civil engineering, and land planning firm. The acquisition expands Nobis Group’s multidisciplinary presence in New England. [More information]
February 13 – ABB (Zurich, Switzerland) entered into an agreement to acquire Premium Power (Dublin, Ireland), an electrical engineering firm. The acquisition strengthens ABB’s power systems engineering capabilities in Europe. [More information]
February 14 – Hummel Associates (Richmond, VA), an architecture and interior design firm, merged with PSH+ (Richmond, VA), an architecture and consulting firm. The merger creates a broader integrated design platform in Virginia. [More information]
February 15 – Dynamic Safety Solutions (Armagh, UK), a health, safety, and compliance services firm, joined Celnor Group (London, UK), a group providing testing, inspection, certification, and compliance services. The transaction expands Celnor Group’s compliance and safety services platform. [More information]
February 16 – PRIME AE Group (Baltimore, MD), a multidisciplinary engineering and architecture firm, acquired Klavon Design Associates (Pittsburgh, PA), a landscape architecture and planning firm. The acquisition strengthens PRIME AE Group’s planning and landscape architecture capabilities. [More information]
February 16 – The Stonewall Group (Lafayette, LA), a national architecture platform firm, acquired Architectural Alliance (Wilmington, DE), an architecture firm serving commercial, residential, institutional, and historic markets. The acquisition expands The Stonewall Group’s architectural presence in the Mid-Atlantic. [More information]
February 16 – Tandem Engineering (Windsor, Canada), an engineering and project management firm, acquired Ann Arbor Architects Collaborative (Ann Arbor, MI), an architecture and interior design firm. The acquisition enhances Tandem Engineering’s integrated design capabilities in North America. [More information]
February 16 – Wapiti Holdings (Idaho Falls, ID) acquired Bailey Engineering (Eagle, ID), a civil engineering firm focused on real estate development services. The acquisition strengthens Wapiti Holdings’ civil engineering and development platform. [More information]
February 17 – Apex Companies (Rockville, MD), an environmental consulting firm, acquired Tully Consulting Group (Dixon, CA), a stormwater management and civil engineering firm. The acquisition expands Apex Companies’ water and civil engineering services in California. [More information]
February 17 – Amtech Solutions (El Paso, TX), a building envelope consulting firm, joined Universal Engineering Sciences (UES) (Orlando, FL), an engineering and consulting firm. The transaction strengthens UES’s building envelope and specialty consulting services. [More information]
February 17 – Control Point Associates (Warren, NJ), a land surveying and geospatial services firm, acquired Borbas Surveying & Mapping (Boonton, NJ), a surveying and digital mapping services firm. The acquisition expands Control Point Associates’ regional surveying platform. [More information]
February 17 – HSL Compliance (Ross-on-Wye, UK), a firm serving the legal compliance market, acquired Enitial (Staffordshire, UK), an environmental monitoring specialist. The acquisition broadens HSL Compliance’s environmental monitoring capabilities. [More information]
February 19 – NCS Engineers (Phoenix, AZ), a water, wastewater, and environmental engineering firm, acquired LightPoint Engineering (Houston, TX) and Spear Point Engineering (Willis, TX), two firms specializing in water, wastewater, stormwater, and land development engineering. The acquisitions expand NCS Engineers’ presence and technical expertise in Texas. [More information]