M&A Activity Report for the week of 1/16/2023 – 1/22/2023

Jan 23, 2023

Zweig Group is the leading AEC Industry, advisory service provider. We blend industry and sector knowledge with experience across the M&A lifecycle to help you capture value for shareholders. Reach our Mergers & Acquisitions Advisory team here.



Domestic Transactions:


The teams at design firm BDG Architects (Tampa, FL) and architecture firm Parker Walter Group (Sarasota, FL) merged. Link to Details.



Pennoni (Philadelphia, PA), a multidisciplinary consulting engineering firm, purchased the assets of Van Note-Harvey Associates (Princeton, NJ), a full-service consulting engineering, environmental, planning, and land surveying organization. Link to Details.



Dufoe Consulting Engineers (San Diego, CA), a mechanical engineering firm that provides HVAC, control systems, plumbing, and fire protection engineering services, merged with Salas O’Brien (Santa Ana, CA), an engineering and facility planning firm. Link to Details.



Technology-enabled laboratory testing, inspection, and quality management services provider RMA Group (Rancho Cucamonga, CA) acquired technology-enabled subsurface imaging services provider C Below (Chino, CA). Link to Details.



Knightly Environmental (Lexena, KS), an environmental consulting firm that specializes in petroleum contaminated soil and groundwater site assessment and remediation, merged with Blackstone Environmental (Overland Park, KS), an environmental and engineering consulting services firm. Link to Details.


Global Transactions:


Europe’s leading architecture and engineering consultancy Sweco (Stockholm, Sweden) acquired full-service engineering and architecture firm VAN AKEN (Eindhoven, the Netherlands) and architecture firm JHK Architecten (Utrecht, the Netherlands). Link to Details.



Environmental, engineering, and technical services provider RSK Group (Helsby, UK) acquired mineral exploration and group investigation contractor Irish Drilling Limited (Loughrea, Ireland). Link to Details.



Erisbeg (Dublin, Ireland), a private equity firm, acquired a majority stake in O’Reilly Stuart & Associates (Westmeath, Ireland), a multidisciplinary building consulting firm. Link to Details.


About Zweig Group

Zweig Group, three times on the Inc. 500/5000 list, is the industry leader and premiere authority in AEC firm management and marketing, the go-to source for data and research, and the leading provider of customized learning and training. Zweig Group exists to help AEC firms succeed in a complicated and challenging marketplace through services that include: Mergers & Acquisitions, Strategic Planning, Valuation, Executive Search, Board of Director Services, Ownership Transition, Marketing & Branding, and Business Development Training. The firm has offices in Dallas and Fayetteville, Arkansas.