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.
October 1 – Smith Seckman Reid (SSR) (Nashville, TN), an engineering, design, and planning firm, acquired George F. Young (GFY) (St. Petersburg, FL), a horizontal infrastructure firm specializing in transportation and site development. [More information]
October 1 – Catalyst (Sherman Oaks, CA), an environmental firm specializing in water resources, energy, sustainability, and land management, acquired ENPLAN (Redding, CA), a firm with expertise in environmental planning, permitting, and natural resources management. [More information]
October 2 – Applied Sciences Consulting (Tampa, FL), an engineering firm specializing in water and stormwater solutions for municipal and regional clients, joined Parsons Corporation (Chantilly, VA), a global leader in technology and infrastructure solutions. [More information]
October 2 – Alpine Intel (Charlotte, NC), a forensic investigation and insurance intelligence firm, acquired HMI (Cary, NC), a technology platform providing data on outdoor property losses. [More information]
October 6 – Erthwrks (Austin, TX), an environmental firm, expanded its platform with a strategic investment in B.enviroSAFE (BAIR) (Carrollton, TX), an air quality consulting firm serving oil and gas, industrial, and petrochemical markets. [More information]
October 6 – Bowman Consulting Group (Reston, VA), an industry leader in infrastructure and environmental services, acquired the assets of Sierra Overhead Analytics (Sonora, CA), a firm specializing in precision mapping and hydrology services. [More information]
October 6 – GMB (Holland, MI), an architecture, engineering, and construction administration firm, acquired Richard L. Johnson Associates (Rockford, IL), an architecture firm serving educational, municipal, and commercial markets. [More information]
October 6 – Arcturis (St. Louis, MO), a design firm, acquired Square Feet Studio (Atlanta, GA), an architecture, interiors, and urban placemaking practice. [More information]
October 7 – WSB (Minneapolis, MN), one of the nation’s leading infrastructure engineering firms, acquired CAS Consulting & Services (Austin, TX), a civil engineering firm with expertise in water, wastewater, and transportation projects. [More information]
October 7 – KGD Architecture (Washington, D.C.), a full-service architecture and design firm, entered into a strategic partnership with Signal Hill Equity Partners (Toronto, Canada). [More information]
October 7 – Sweco (Stockholm, Sweden), a global design and engineering firm, agreed to acquire Fimpec Group (Helsinki, Finland), a project management and engineering firm specializing in renewable energy, hydrogen, and circular economy sectors. [More information]
October 7 – PRI Engineering (Lindsay, Canada), a geotechnical and environmental engineering firm, acquired Ecora (Kelowna, Canada), a multidisciplinary engineering firm providing geotechnical, civil, structural, and forestry services. [More information]
October 7 – SPIE (Cergy, France), a multi-technical services firm focused on energy and communications, signed an agreement to acquire ECOexperts Automation (Lebring, Austria), a systems integrator for tunnel and traffic management. [More information]
October 8 – OAC Services (Seattle, WA), a design and construction performance management firm, joined Consertus (Miami, FL), a global capital program management and advisory platform. [More information]
October 8 – Verdantas (Tampa, FL), an environmental and engineering firm, acquired Colibri Ecological Consulting (Fresno, CA), a firm focused on ecological planning, regulatory permitting, and field surveys. [More information]
October 8 – Consertus (Miami, FL) launched an integrated platform combining digital innovation, consulting, and project delivery services through the acquisition of ten firms including OAC Services, Acumenian, Anchor Enterprises, Cotter Consulting, CPM, Enstoa, KKCS, Saybrook Associates, Waycode, and The Wells Partnership.
October 9 – CHA Consulting (Albany, NY), a full-service engineering, design, and program management firm, acquired Steger & Bizzell Engineering (Georgetown, TX), a civil engineering firm providing water, wastewater, land development, and surveying services. [More information]