13 New Domestic and Global Transactions  

Commentary & Insight

This week, we report new domestic deals in NY, NH, OH, MA, MD, FL, NC, and AZ—two of which involve Excellence in Acquisitive Growth Award recipients. Internationally, additional transactions were reported in Spain, the UK, and Australia. 

Domestic Transactions

10/28/2025 
Industry leader and recipient of the 2023 Best Post-Transaction Performance Award, Salas O’Brien (Irvine, CA) (ENR #31), expanded its client services in upstate New York through the strategic merger with M/E Engineering (New York, NY), an MEP, fire protection, and sustainable design services firm. Link to details >

10/28/2025 
ENR’s #66 ranked environmental firm and recipient of the 2024 M&A Best Practices Award, Trinity Consultants (Dallas, TX), acquired Jaros, Baum & Bolles (New York, NY) (ENR #235), a firm that provides specialty MEP and fire protection engineering services primarily focused on the commercial, healthcare, life science, aviation, and data center markets. Link to details >

10/23/2025 
Tighe & Bond (Westfield, MA) (ENR #202), an engineering, design, and environmental consulting firm, acquired hydrogeology and environmental firm Geosphere Environmental Management (Exeter, NH). Link to details >

10/16/2025 
SHYFT (Columbus, OH), an architecture and design firm, joined architecture and engineering firm SSOE Group (Toledo, OH) (ENR #87). Link to details >

10/30/2025 
ENR’s #10 ranked CM/PM-for-fee firm, Cumming Group (New York, NY), acquired LeftField (Boston, MA), a PM firm with experience in higher education, K-12 education, and life sciences laboratories. Link to details >

10/20/2025 
Engineering design, consulting, and energy services firm TLC Engineering Solutions (Orlando, FL) (ENR #209) acquired structural and forensic engineering firm Tarantino Engineering Consultants (Fulton, MD). Link to details >

10/20/2025 
Employee-owned engineering, architecture, surveying, and geospatial firm Merrick & Company (Greenwood Village, CO) (ENR #107) acquired Wey Engineering (Tampa, FL), a transportation and traffic engineering firm. Link to details >

10/27/2025 
Lu Engineering (Rochester, NY), a firm that provides planning, design, CM, and inspection services, acquired Eisenbach & Ruhnke Engineering (Utica, NY), an energy and environmental engineering firm. Link to details >

10/29/2025 
Geotechnical engineering Southern Engineering and Testing (Charlotte, NC) acquired Tai and Associates (Raleigh, NC), a geotechnical engineering, materials testing, and special inspection services firm. Link to details >

10/29/2025 
Arthur J. Gallagher & Co. (Rolling Meadows, IL), through its claims and risk management solutions subsidiary Gallagher Bassett (Rolling Meadows, IL), acquired 100 percent of Safe T Professionals (Chandler, AZ), an Environmental, Safety & Health (ESH) Staffing Augmentation firm. Link to details >

Global Transactions

10/23/2025 
Bureau Veritas (Neuilly-sur-Seine, France) acquired Sólida Energías Renovables (Madrid, Spain), a firm that offers owner’s engineering, technical advisory, and PM services for renewable energy projects and electrical infrastructure, and London Building Control (London, UK), a registered Building Control Approver specializing in building control services for residential and commercial projects. Link to details >

10/28/2025 
Phenna Group (Nottingham, UK), a family of businesses providing testing, inspection, certification, and compliance (TICC) services, acquired BCA Concepts (Adelaide, Australia), a building code, performance-based design, and accessibility consulting firm. Link to details >