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.
January 2 – J.D. Hair & Associates (Tulsa, OK), a geotechnical and structural engineering firm, merged with Mi-Tech Services (Brownsville, WI), an engineering, design, and construction services firm. The merger creates a broader multidisciplinary platform. [More information]
January 5 – DJ&A (Missoula, MT), an engineering, surveying, environmental, and planning firm, entered into a strategic partnership with Creative Engineering Group (Miami Lakes, FL), a construction engineering and inspection firm. The partnership expands DJ&A’s construction services capabilities. [More information]
January 5 – IMEG Corp. (Rock Island, IL) merged with Buford Goff & Associates (Columbia, SC), a multidisciplinary engineering firm specializing in mechanical, electrical, security, and communications services. The merger strengthens IMEG’s building systems expertise in the Southeast. [More information]
January 5 – USA Engineers (Dallas, TX), a civil engineering and surveying firm, was acquired through an asset acquisition by Dallas Cothrum (Dallas, TX). USA Engineers will operate as part of Cothrum’s family of companies alongside Masterplan Consultants. [More information]
January 5 – Jacobs (Dallas, TX) reached an agreement to acquire the remaining stake in PA Consulting (London, UK), a consulting firm serving public and private sector clients across multiple industries. The transaction deepens Jacobs’ consulting and advisory capabilities. [More information]
January 6 – Align Capital Partners (Dallas, TX) acquired Armko Industries (Flower Mound, TX), a firm providing building envelope, roofing, and waterproofing consulting services. The acquisition expands Align’s specialty construction services platform. [More information]
January 6 – Water Quality & Treatment Solutions (Los Angeles, CA), a specialty water-based environmental engineering and science consulting firm, joined Hazen and Sawyer (New York, NY), a water management firm. The transaction strengthens Hazen and Sawyer’s water quality and treatment expertise. [More information]
January 6 – Blackstone (New York, NY) acquired Alliance Technical Group (Decatur, AL), an environmental testing, monitoring, and compliance services firm. The acquisition expands Blackstone’s environmental services portfolio. [More information]
January 7 – Ramboll Group (Copenhagen, Denmark) acquired Envidan (Silkeborg, Denmark), a water and wastewater specialist. The acquisition strengthens Ramboll’s water sector capabilities across Europe. [More information]
January 7 – Psomas (Los Angeles, CA), an engineering consulting firm, acquired Anderson Engineering Company (Saratoga Springs, UT), a provider of environmental, civil, structural engineering, and land surveying services. The acquisition expands Psomas’ Mountain West presence. [More information]
January 7 – Cajun Engineering Solutions (Baton Rouge, LA) acquired the engineering office of Primoris Design and Construction (Tyler, TX). The acquisition expands Cajun Engineering’s footprint across the Gulf Coast and south-central regions. [More information]
January 8 – BNP Group (Fairfield, CT), an air transportation design and engineering firm, acquired Airport Gurus (Barcelona, Spain), a consultancy specializing in ICT systems and airport business operations planning. The acquisition expands BNP Group’s aviation technology and advisory capabilities. [More information]
January 8 – Sagasser & Associates (Gaylord, MI), an environmental firm specializing in site evaluation, assessments, remediation evaluation, and remedial system design, joined Fleis & VandenBrink (Grand Rapids, MI), a civil engineering firm. The transaction expands Fleis & VandenBrink’s environmental services capabilities in Michigan. [More information]
January 8 – Verdantas (Tampa, FL), an environmental and engineering consulting firm, acquired PACE Engineers (Kirkland, WA), a multidisciplinary engineering, surveying, and environmental consulting firm. The acquisition expands Verdantas’ presence and service offerings in the Pacific Northwest. [More information]
January 8 – ZenaTech (Toronto, Canada), a technology firm specializing in AI drones, Drone as a Service, enterprise SaaS, and quantum computing solutions, acquired L.D. King (Los Angeles, CA), a civil engineering and land surveying firm. The acquisition expands ZenaTech’s engineering and surveying capabilities in California. [More information]
January 8 – Broadview Group (St. Louis, MO) made an investment in Citadel EHS (Glendale, CA), a provider of environmental, health, safety, and sustainability services. The investment supports Citadel EHS’ continued growth and platform expansion. [More information]
January 8 – Plan for Ecology (Penryn, UK), an ecological services firm, joined RSK Group (Helsby, UK), an environmental consulting and services firm. The transaction strengthens RSK’s ecological and environmental services offering in the UK. [More information]
January 8 – Lanpro Services (Norwich, UK), a planning, environmental, and design services firm, received private equity backing from Horizon Capital (London, UK). The investment supports Lanpro’s continued growth and strategic expansion. [More information]
January 9 – Neturen (Tokyo, Japan) acquired the shares of ANDO Imagineering Group (Tokyo, Japan), an architecture and engineering firm specializing in structural design across concrete, steel, and timber systems. The acquisition expands Neturen’s design and engineering capabilities. [More information]
January 11 – H&MV Engineering (Limerick, Ireland), a specialist in high-voltage electrical engineering, acquired Cooke Power Services (Amarillo, TX), a power infrastructure firm. The acquisition expands H&MV Engineering’s presence and service capabilities in North America. [More information]
January 12 – DC Capital Partners (Alexandria, VA) completed the sale of Pond & Company (Peachtree Corners, GA), an architecture, engineering, planning, and construction management firm, to Arlington Capital Partners (Chevy Chase, MD). The transaction supports Pond & Company’s continued growth under new ownership. [More information]
January 12 – Parametrix (Seattle, WA), an engineering, planning, and environmental sciences firm, acquired Casey Civil (University Place, WA), a civil engineering firm specializing in water and wastewater infrastructure. The acquisition strengthens Parametrix’s water infrastructure capabilities in Washington State. [More information]
January 12 – ALL4 (Kimberton, PA), an environmental, health, safety, sustainability, and digital solutions firm, acquired VCS Environmental (San Juan Capistrano, CA), a firm specializing in wetlands and endangered species permitting, biological studies, and cultural resource services. The acquisition expands ALL4’s ecological and regulatory services offerings. [More information]
January 12 – GEI Consultants (Woburn, MA), a multidisciplinary engineering and environmental firm, merged with Terrane Geoscience (Halifax, Canada), a firm specializing in geoscience, geotechnical engineering, and geospatial data services. The merger expands GEI’s geoscience and subsurface engineering capabilities. [More information]
January 13 – Salas O’Brien (Irvine, CA), an engineering and consulting firm, merged with RFS Engineering (Boston, MA), a multidisciplinary engineering firm providing MEP, fire protection, technology, structural, and civil engineering services. The merger expands Salas O’Brien’s integrated building systems capabilities in the Northeast. [More information]
January 13 – Scion Advisory Services (Chicago, IL), a firm specializing in housing planning, residential life, real estate finance, and program management, joined CannonDesign (New York, NY), an integrated global design firm. The transaction strengthens CannonDesign’s advisory and campus planning services. [More information]
January 13 – Morgan Stanley Capital Partners (New York, NY) made a majority investment in Olsson (Lincoln, NE), an engineering and design firm. The investment supports Olsson’s long-term growth and geographic expansion. [More information]
January 13 – DBI Construction Consultants (New York, NY) acquired Minogue Associates (Long Island, NY), a firm providing valuation, damage assessment, and technical advisory services. The acquisition expands DBI’s forensic and advisory services platform. [More information]
January 13 – Reserve Advisors (Milwaukee, WI), a reserve study firm, acquired Waldman Engineering Consultants (Lisle, IL), an architectural and engineering evaluation and design services firm. The acquisition expands Reserve Advisors’ technical assessment capabilities. [More information]
January 13 – WW+P Architects (London, UK) merged with SvN Architects + Planners (Toronto, Canada) under the stewardship of 10N Collective, creating a transatlantic architecture and urban planning platform. The merger strengthens integrated urban design and planning capabilities. [More information]
January 13 – BPA (Montreal, Canada), an engineering firm, entered into a strategic merger with CORE Engineering (St. John’s, Canada), a mechanical and electrical engineering firm. The merger expands BPA’s building systems and regional presence in Atlantic Canada. [More information]
January 14 – WSB (Minneapolis, MN), an infrastructure engineering consulting firm, acquired NEO Virtus Engineering (Littleton, MA), a firm specializing in photovoltaic and energy storage system design. The acquisition strengthens WSB’s renewable energy and power systems expertise. [More information]
January 14 – YA Group (St. Louis, MO), a forensic consulting, engineering, and risk mitigation services firm, acquired InQuis Global (Charleston, SC), a consulting and expert witness firm specializing in life care planning, vocational rehabilitation, and litigation support. The acquisition expands YA Group’s expert advisory services. [More information]
January 15 – Parsons Corporation (Chantilly, VA), a provider of technology solutions for national security and critical infrastructure, acquired Altamira Technologies Corporation (McLean, VA), a firm specializing in advanced analytics, cyber, space, and intelligence capabilities. The acquisition strengthens Parsons’ national security and digital engineering platform. [More information]
January 15 – MECO Engineering Company (Hannibal, MO), an engineering, surveying, and construction services firm, acquired Heneghan and Associates (Jerseyville, IL), a civil engineering and land surveying firm. The acquisition expands MECO’s Midwest engineering and surveying footprint. [More information]
January 15 – Tetra Tech (Pasadena, CA) signed a definitive agreement to acquire Providence Consulting Group (Barton, Australia), an advisory and project management firm specializing in program delivery, systems engineering, and protective security. The acquisition strengthens Tetra Tech’s advisory and program delivery capabilities in Australia. [More information]
January 15 – Donald Cant Watts Corke (Melbourne, Australia) merged with RP Infrastructure (Sydney, Australia), forming a combined platform delivering property and infrastructure advisory services. The merger expands capabilities across public and private sector projects in Australia. [More information]
January 15 – XPartners (Stockholm, Sweden), a platform of environmental and civil engineering firms, acquired Adding Engineering (Aalborg, Denmark), a specialist in engineering services for industrial and energy-related projects. The acquisition expands XPartners’ presence in Denmark. [More information]
January 15 – Ethos Engineering (Dublin, Ireland), a mechanical and electrical engineering firm, acquired 3DEC (London, UK), a digital technology firm specializing in ICT services for workplaces, data centers, fintech, and education facilities. The acquisition strengthens Ethos Engineering’s digital engineering capabilities. [More information]
January 16 – XPartners (Stockholm, Sweden) acquired Bygghuset (Nordre Follo, Norway), a firm providing project and construction management, contract administration, and health and safety coordination services. The acquisition expands XPartners’ Nordic project delivery capabilities. [More information]
January 19 – Englobe (Quebec City, Canada), an engineering and environmental services platform, finalized the acquisition of BESTECH (Sudbury, Canada), a firm focused on engineering services for the mining and power sectors. The acquisition strengthens Englobe’s industrial and energy engineering capabilities. [More information]
January 19 – Geosyntec (Boca Raton, FL), an environmental engineering and consulting firm, signed a definitive agreement to acquire JBS&G (Sydney, Australia), an environmental firm providing remediation, compliance, sustainability, and stakeholder engagement services. The acquisition expands Geosyntec’s Asia-Pacific footprint. [More information]
January 19 – XPartners (Stockholm, Sweden) acquired Value Engineering (Silkeborg, Denmark), a structural engineering firm. The acquisition strengthens XPartners’ structural engineering expertise in Scandinavia. [More information]
January 20 – Civil Design Concepts (Asheville, NC) merged with Land Planning Associates (Easley, SC), strengthening both firms’ capabilities in planning, engineering, and construction administration. The merger creates a broader multidisciplinary regional platform. [More information]
January 20 – Haley Ward (Bangor, ME), an employee-owned engineering, environmental, and surveying consulting firm, acquired the geospatial division of Sewall (Bangor, ME). The acquisition expands Haley Ward’s geospatial and surveying capabilities. [More information]
January 20 – TEP (Raleigh, NC), a firm serving the telecommunications, energy, and renewables industries, acquired Northeast Site Solutions (Sturbridge, MA), a provider of site acquisition and project management services for the wireless industry. The acquisition expands TEP’s wireless infrastructure services in the Northeast. [More information]
January 20 – Arora Engineers (Chadds Ford, PA), an infrastructure services firm, acquired J.A. Watts (Chicago, IL), an owner’s representation firm specializing in construction, project, and program management. The acquisition strengthens Arora’s project delivery and advisory capabilities. [More information]
January 20 – Mark Odom Studio (Austin, TX), an architecture and interiors firm, joined Cline (Raleigh, NC), an architecture, interior design, and landscape architecture firm. The transaction expands Cline’s design capabilities and geographic reach in the Southeast. [More information]
January 20 – AM Consulting Engineers (Belfast, UK), a civil, structural, and geotechnical engineering firm, acquired Bridges Pound (Coventry, UK), a civil and structural engineering firm. The acquisition expands AM Consulting Engineers’ presence in Great Britain. [More information]
January 21 – SAM (Austin, TX), a geospatial firm serving utilities, transportation, and infrastructure clients, acquired Hyatt Survey Services (Bradenton, FL), a surveying, mapping, and hydrographic services firm. The acquisition expands SAM’s geospatial capabilities in Florida. [More information]
January 21 – Salas O’Brien (Irvine, CA), an engineering and consulting firm, merged with TechSource (Los Alamos, NM), a scientific and engineering consulting firm serving national security, nuclear, and high-tech federal programs. The merger expands Salas O’Brien’s federal and advanced technology services platform. [More information]
January 21 – Engineering Resource Group (Flowood, MS), an MEP engineering and consulting firm, received a strategic investment from Godspeed Capital Management (Washington, D.C.). The investment supports Engineering Resource Group’s growth and platform expansion. [More information]
January 21 – BKF Engineers (Oakland, CA), an engineering, surveying, and land planning services firm, merged with MNS Engineers (Santa Barbara, CA), an infrastructure firm providing planning, engineering, construction management, and surveying services. The merger expands BKF’s infrastructure and land development capabilities in California. [More information]
January 21 – SLR (Aylesbury, UK), a global environmental and advisory consultancy, acquired WAP Sustainability (Nashville, TN), a sustainability consulting and ESG data solutions firm. The acquisition strengthens SLR’s sustainability and ESG advisory capabilities in North America. [More information]
January 21 – G2 Consulting Group (Troy, MI), a geotechnical, environmental, and construction engineering firm, acquired Construction Testing Services (Burton, MI), a firm specializing in geotechnical engineering and materials testing. The acquisition expands G2’s testing and geotechnical services platform. [More information]
January 22 – KCI (Sparks, MD), an engineering, planning, and construction firm, acquired Daft McCune Walker (Towson, MD), a firm providing civil engineering, environmental science, land planning, landscape architecture, and surveying services. The acquisition expands KCI’s multidisciplinary capabilities in the Mid-Atlantic. [More information]
January 22 – Tetra Tech (Pasadena, CA), an engineering and consulting firm, acquired Halvik (Vienna, VA), a firm specializing in advanced data analytics, systems modernization, and cybersecurity for U.S. defense and civilian agencies. The acquisition strengthens Tetra Tech’s federal digital and cybersecurity capabilities. [More information]
January 23 – Control Point Associates (Warren, NJ), a land surveying and geospatial services firm, acquired Rouse-Sirine Associates (Virginia Beach, VA), a surveying and mapping services firm. The acquisition expands Control Point Associates’ presence in the Mid-Atlantic and Southeast. [More information]
January 26 – Leidos (Reston, VA) signed a definitive agreement to acquire ENTRUST (Warrenville, IL), a power and energy infrastructure firm, from Kohlberg. The acquisition expands Leidos’ capabilities in power delivery and energy infrastructure services. [More information]
January 26 – Quattro (Edinburgh, UK), a civil and structural engineering firm, joined Civic (Manchester, UK), a civil engineering firm providing site planning, structural design, land development, and infrastructure services. The transaction strengthens Civic’s engineering capabilities across the UK. [More information]
January 27 – RESA Power (Houston, TX), a provider of power systems electrical testing, transformer services, and equipment life-extension solutions, acquired Société Générale d’Électrotechnique (Quebec City, Canada), a firm focused on mission-critical electrical utilities infrastructure. The acquisition expands RESA Power’s presence and technical capabilities in Canada. [More information]
January 27 – Well Engineering Partners (Hoogeveen, The Netherlands), a renewable energy firm serving the geothermal, oil and gas, and mining industries, acquired the operational and production-focused geothermal activities of Sproule ERCE (Hoogeveen, The Netherlands). The acquisition strengthens Well Engineering Partners’ geothermal energy platform. [More information]
January 27 – NGIS (Perth, Australia), a geospatial services firm, joined CLS Group (Toulouse, France), a provider of environmental and climate monitoring, maritime security, energy, and infrastructure services. The transaction expands CLS Group’s geospatial and environmental monitoring capabilities in Australia. [More information]
January 27 – Barry Isett & Associates (Allentown, PA), a firm providing civil, land development, structural, MEP, forensics, water and wastewater, and traffic services, acquired RJD Engineering (Hazleton, PA), a civil and municipal engineering firm. The acquisition expands Barry Isett’s municipal engineering capabilities in Pennsylvania. [More information]
January 28 – Stratus Team (Coraopolis, PA), an engineering, architecture, and consulting firm, acquired Stewart (Raleigh, NC), an engineering, planning, landscape architecture, surveying, and design firm. The acquisition expands Stratus Team’s multidisciplinary services and geographic footprint in the Southeast. [More information]
January 29 – First Reserve (Stamford, CT) entered into a strategic growth partnership with WGI (West Palm Beach, FL), a design and professional services firm. The partnership supports WGI’s continued expansion across infrastructure and community development markets. [More information]
January 29 – RTM Engineering Consultants (Schaumburg, IL), an engineering consulting firm, completed a strategic minority investment from MML Capital (London, UK). The investment supports RTM’s long-term growth and strategic initiatives. [More information]
January 29 – Electric Power Engineers (Austin, TX), a global advisory and engineering firm, acquired Estudios Eléctricos (Santiago, Chile), an electrical engineering and advisory firm specializing in power system studies and advanced technical analysis. The acquisition expands Electric Power Engineers’ presence in Latin America. [More information]
January 29 – Englobe (Quebec City, Canada), an engineering and environmental services firm, acquired Tetranex (Calgary, Canada), a firm specializing in electrical, instrumentation and controls, automation, and engineering project delivery. The acquisition strengthens Englobe’s capabilities in energy and industrial markets. [More information]
January 30 – BPL Enclosure (Atlanta, GA), a structural and façade engineering firm, joined forces with Seal Building Enclosure (Houston, TX), a building enclosure consulting firm. The combination enhances integrated façade and building enclosure consulting services. [More information]
January 30 – Phenna Group (Nottingham, UK), a family of businesses providing testing, inspection, certification, and compliance services, acquired GTP (Gabinete Técnico de Prevención) (Madrid, Spain), an occupational health and safety inspection specialist. The acquisition expands Phenna’s occupational safety platform in Spain. [More information]
January 30 – LYL Consultants (Singapore, Singapore), a transportation-focused consultancy, joined GISI Consulting Group (Newport Beach, CA), expanding GISI’s transportation advisory capabilities in Southeast Asia. [More information]
January 31 – Coffey Engineering & Surveying (Laramie, WY), a civil engineering, land surveying, and GIS services firm, joined Inberg-Miller Engineers (Riverton, WY), a civil, geotechnical, and environmental engineering firm. The transaction strengthens Inberg-Miller’s multidisciplinary capabilities in Wyoming. [More information]