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.
December 1 – McKim & Creed (Raleigh, NC), an engineering, planning, and geospatial services firm, acquired Signature Automation (Dallas, TX), an engineering consulting firm serving municipal, water and wastewater, and correctional markets. The acquisition strengthens McKim & Creed’s automation and controls capabilities. [More information]
December 1 – Cresa (Chicago, IL), a commercial real estate advisory firm, acquired CMPG (Diamond Bar, CA), a project management services firm supporting construction projects across office, public sector, transit, laboratory, industrial, and retail markets. The acquisition expands Cresa’s project management platform. [More information]
December 1 – Bellrock (Leicester, UK), a facilities management firm, acquired Axiom (Edinburgh, UK), a property and construction firm with experience in leisure, residential, and industrial sectors. The acquisition strengthens Bellrock’s property services capabilities in Scotland. [More information]
December 1 – Rural Solutions (Skipton, UK), a planning, architecture, and landscape architecture firm, joined Celnor Group (London, UK), a group of companies offering testing, inspection, certification, and compliance services. The transaction expands Celnor’s built environment advisory offerings. [More information]
December 1 – BluMetric Environmental (Ottawa, Canada), an environmental consulting and WaterTech engineering firm, entered into a definitive share purchase agreement to acquire DS Consultants (Vaughan, Canada), an environmental and geotechnical engineering firm. The acquisition strengthens BluMetric’s geotechnical and environmental service capabilities. [More information]
December 2 – ZenaTech (Toronto, Canada), a technology firm specializing in AI drones, Drone as a Service, enterprise SaaS, and quantum computing solutions, acquired Smith Surveying Group (Jacksonville, FL), a land surveying and inspection firm. The acquisition expands ZenaTech’s U.S. geospatial services platform. [More information]
December 2 – Concept Development & Planning (Austin, TX), a community engagement and strategic communications firm, joined LJA Engineering (Houston, TX), an employee-owned engineering firm. The transaction strengthens LJA’s public engagement and stakeholder communications capabilities. [More information]
December 2 – AtkinsRéalis (Montreal, Canada), an engineering services and nuclear firm, acquired ADG (Brisbane, Australia), a firm specializing in civil, structural, and digital engineering for transportation infrastructure, urban renewal, and commercial development. The acquisition expands AtkinsRéalis’ Asia-Pacific engineering footprint. [More information]
December 2 – Legence (San Jose, CA), an integrated provider of energy efficiency and sustainability solutions, acquired Innovative Mechanical & Design (Fort Collins, CO), a mechanical and plumbing contractor specializing in building systems installation and service. The acquisition expands Legence’s mechanical services platform. [More information]
December 2 – ZenaTech (Toronto, Canada), a technology firm specializing in AI drones, Drone as a Service, enterprise SaaS, and quantum computing solutions, acquired Casado Design (Weston-super-Mare, UK), a land surveying and inspection firm with expertise in 3D modeling and scanning for telecom and infrastructure projects. The acquisition expands ZenaTech’s geospatial and digital surveying capabilities in the UK. [More information]
December 2 – setec (Paris, France), a multidisciplinary engineering firm, acquired Kasadenn (La Chapelle-sur-Erdre, France), a consulting firm specializing in project management, quality systems, training, and operational assistance. The acquisition strengthens setec’s advisory and project governance capabilities. [More information]
December 3 – Vanasse Hangen Brustlin (VHB) (Watertown, MA), a multidisciplinary engineering and design firm, entered into an agreement to join forces with Drive Engineering (Lansdale, PA), a transportation engineering firm focused on applying technology to improve mobility and traffic operations. The combination enhances VHB’s transportation systems and mobility services. [More information]
December 3 – Qualus (Lake Mary, FL), a power infrastructure solutions provider, acquired Aquawolf (Lakewood, CO), a transmission and distribution engineering firm focused on high-voltage infrastructure. The acquisition strengthens Qualus’ transmission engineering capabilities. [More information]
December 3 – SOCOTEC (Saint-Quentin-en-Yvelines, France) acquired Advance Testing Company (Campbell Hall, NY) and AAR Testing and Inspection (Redmond, WA), firms specializing in construction materials testing and special inspection services. The acquisitions expand SOCOTEC’s testing and inspection footprint in the U.S. [More information]
December 3 – MCA Architects (Dublin, Ireland) and TTSP HWP (Frankfurt, Germany) merged to form an integrated European platform focused on the design, engineering, and delivery of large-scale data center projects. The merger strengthens capabilities in mission-critical facilities across Europe. [More information]
December 4 – J.S. Held (Jericho, NY), a consulting and advisory firm, acquired GLI Advisors (Bend, OR), a firm providing project and program management, owner’s representation, construction management, and cost review services. The acquisition expands J.S. Held’s project advisory capabilities. [More information]
December 4 – Haley Ward (Bangor, ME), an employee-owned engineering, environmental, and surveying consulting firm, acquired CCA (Brookfield, CT), a civil engineering, surveying, environmental consulting, and landscape architecture firm. The acquisition expands Haley Ward’s footprint in southern New England. [More information]
December 4 – Faller, Davis & Associates (Tampa, FL), a civil engineering firm specializing in transportation and environmental services, joined PRIME AE Group (Baltimore, MD), a multidisciplinary engineering and architecture firm. The transaction expands PRIME AE’s transportation and environmental footprint in Florida. [More information]
December 4 – Foth (De Pere, WI), an engineering and consulting firm, acquired Food Plant Engineering (Cincinnati, OH), a firm specializing in food and beverage manufacturing facility design. The acquisition enhances Foth’s capabilities in food and beverage industrial markets. [More information]
December 4 – The Kardham Group (Paris, France), a provider of architecture, space design, engineering, and digital services for the real estate sector, acquired DK Architectes (Paris, France), a firm specializing in data center design. The acquisition strengthens Kardham’s mission-critical and data center expertise. [More information]
December 4 – Nobis Group (Concord, NH), an environmental, geotechnical, and civil engineering firm, acquired Richard D. Bartlett & Associates (Concord, NH), a land surveying firm serving residential, commercial, and municipal clients. The acquisition expands Nobis Group’s in-house surveying capabilities. [More information]
December 5 – McAlister GeoScience (Long Beach, CA), an environmental services firm, acquired Orswell & Kasman (Pasadena, CA), an environmental due diligence firm. The acquisition strengthens McAlister GeoScience’s environmental risk and transaction support services. [More information]
December 8 – MSA (Baraboo, WI), an employee-owned consulting firm, acquired Haddad Engineering (Jacksonville, FL), a firm specializing in electrical and mechanical engineering. The acquisition expands MSA’s building systems expertise in the Southeast. [More information]
December 8 – CannonDesign (New York, NY), an integrated global design firm, expanded in the Southeast with the addition of Jenkins•Peer Architects (Charlotte, NC), a planning, architecture, and interior design firm. The transaction strengthens CannonDesign’s presence in higher education, science and technology, sports, civic, and cultural markets. [More information]
December 8 – Verdantas (Tampa, FL), an environmental and engineering consulting firm, acquired Crawford Environmental Services (Roanoke, VA), a firm specializing in environmental investigation, remediation, compliance, and emergency response. The acquisition expands Verdantas’s environmental services platform in the Mid-Atlantic region. [More information]
December 8 – Dunaway (Fort Worth, TX), a civil engineering, structural, landscape architecture, surveying, and construction inspection services firm, acquired Bontempo Structural Engineering (Austin, TX), a structural engineering firm. The acquisition strengthens Dunaway’s structural engineering capabilities in Texas. [More information]
December 8 – WSP (Montreal, Canada), a global engineering and consulting firm, acquired Harmonic Analytics (Wellington, New Zealand), a data science firm providing predictive modeling and decision optimization services. The acquisition enhances WSP’s digital analytics and data-driven advisory capabilities. [More information]
December 8 – Phenna Group (Nottingham, UK), a family of businesses providing testing, inspection, certification, and compliance services, acquired SERPRAM (Santiago, Chile), a firm offering environmental measurement, diagnostics, and control services. The acquisition expands Phenna’s footprint in South America. [More information]
December 8 – Carabiner (Perth, Australia), an architecture practice, joined Architectus (Melbourne, Australia), expanding the firm’s capabilities across sports, education, and healthcare design. [More information]
December 9 – Jensen Hughes (Columbia, MD), a fire and life safety, security, and risk-based engineering and consulting firm, acquired Safety Management Services (West Jordan, UT), a specialist in process safety hazards analysis and energetic materials consulting and testing. The acquisition expands Jensen Hughes’ process safety capabilities. [More information]
December 9 – Trinity Consultants (Dallas, TX), an environmental and technical consulting firm, acquired Meridian Consultants (Westlake Village, CA), a firm specializing in community, environmental, and natural resource planning. The acquisition broadens Trinity’s planning and environmental services. [More information]
December 9 – Stratus Team (Coraopolis, PA), an engineering, architecture, and consulting firm, acquired E.A. Bonelli + Associates (Oakland, CA), a firm specializing in master planning and design of food, beverage, and cold storage facilities. The acquisition strengthens Stratus Team’s industrial and food manufacturing expertise. [More information]
December 9 – Delawie (San Diego, CA), an architecture and interior design firm, joined LEO A DALY (Omaha, NE), an architecture and engineering firm. The transaction expands LEO A DALY’s design capabilities on the West Coast. [More information]
December 9 – Turner & Townsend (Leeds, UK) announced its intention to acquire Profica (Johannesburg, South Africa), a firm specializing in real estate project management and construction services. The transaction supports Turner & Townsend’s expansion across Africa. [More information]
December 9 – Design 4 Structures (London, UK), a structural engineering firm, received an investment from Frontier Development Capital (Birmingham, UK). The investment supports the firm’s growth and service expansion. [More information]
December 10 – Brailsford & Dunlavey (Washington, D.C.) merged with Project Management Advisors (PMA) (Chicago, IL), forming an integrated platform providing planning, development advisory, and project delivery services across the full project lifecycle. [More information]
December 10 – RSK Group (Helsby, UK), an environmental consulting and services firm, acquired Civil Geotechnical Consultants (Brisbane, Australia), a specialist offering geotechnical investigation, design, construction services, aerial mapping, and asset management. The acquisition expands RSK’s geotechnical capabilities in Australia. [More information]