April M&A Transactions in AEC

Apr 30, 2025

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March 21NV5 (Hollywood, FL) acquired CRS Survey (Albemarle, NC), a transportation and land development surveying firm. The move strengthens NV5’s mapping and data collection capabilities for infrastructure projects in the southeastern U.S. [More information] 

March 25TETER (Fresno, CA) acquired Kubow & Associates (Fresno, CA), expanding its expertise in healthcare design. The acquisition enhances TETER’s local presence and strengthens its capacity in medical planning and architectural services for healthcare environments. [More information] 

March 25TBT Engineering (Thunder Bay, Canada) acquired LBE Group (Keewatin, Canada), an Energy, Commercial, Institutional, Industrial Engineering firm, expanding its capabilities in civil engineering. [More information] 

March 26Salas O'Brien (Irvine, CA) acquired FA Engineering (Pocatello, ID), a Facilities Planning and Design firm, expanding its capabilities in civil, structural, electrical, environmental, mechanical, and surveying services. [More information] 

March 26Earth Systems (Lantana, FL) acquired Spangler Environmental (Raleigh, NC), a Regulatory Compliance, Risk Management, Ecological Services firm. [More information] 

March 26Agellus Capital (Clayton, MO) acquired Orcus Fire & Risk (Houston, TX), a Critical Energy and Industrial Facilities firm. [More information] 

March 27SurvaTec (Wakes Colne, UK) acquired Survey Solutions (Ipswich, UK), a Complex Infrastructure and Utilities Projects firm. [More information] 

March 27Certerra (Rancho Cucamonga, CA) acquired Tierra (Tampa, FL), a geotechnical engineering firm. [More information] 

March 27Tetra Tech (Pasadena, CA) acquired Carron + Walsh (Dublin, Ireland), a Construction / Project Management firm, expanding its capabilities in quantity surveying, project controls, and related services. [More information] 

March 27ABO-Group (Ghent, Belgium) acquired Délo Boringen (Schoten, Belgium), an Environmental firm, expanding its capabilities in geotechnical engineering. [More information] 

March 31Salas O'Brien (Irvine, CA) acquired Chavez-Grieves (Albuquerque, NM), a Structural Engineering firm, expanding its capabilities in investigative engineering, special inspection, and project management. [More information] 

March 31Gannett Fleming TranSystems (Kansas City, MO) acquired Scalar Consulting Group (West Palm Beach, FL), a Civil Engineering firm, expanding its capabilities in roadway design, transportation planning, and contract administration. [More information] 

April 1Gonzalez Companies (St. Louis, MO) acquired FPBH (North Vernon, IN), an Environmental, Engineering, Surveying, Planning, & Inspecting firm. [More information] 

April 1Tonkin + Taylor (Auckland, New Zealand) acquired Bligh Tanner (Fortitude Valley, Australia), expanding its capabilities in civil engineering and water-sensitive urban design. [More information] 

April 1Multiconsult ASA (Oslo, Norway) acquired Lifetec (Oslo, Norway), expanding its capabilities in acoustics. [More information] 

April 1Makami Engineering (Sudbury, Canada) acquired RA Engineers & Inspectors (Sault Ste. Marie, Canada), a Structural Engineering firm, expanding its capabilities in NDT, civil, and structural services. [More information] 

April 1IMEG Corp. (Rock Island, IL) acquired WRK Engineers (Vancouver, WA), a Structural Engineering firm, expanding its capabilities in seismic design, resilient design, and contractor support. [More information] 

April 1U.S. Compliance (Excelsior, MN) acquired OSHA/Environmental Compliance Systems (St. Louis Park, MO), expanding its capabilities in OSHA compliance and workplace safety consulting. [More information] 

April 2Integral Consulting (Boulder, CO) acquired Kinnetic Environmental (Los Angeles, CA), an Environmental firm, expanding its capabilities in water quality, watershed management, and regulatory permitting. [More information] 

April 2DeSimone Consulting Engineering (New York, NY) acquired KP Elevator Consulting (San Francisco, CA), expanding its capabilities in vertical transportation design and consulting. [More information] 

April 2 HMC Architects (Ontario, CA) acquired Bassetti Architects (Seattle, WA), expanding its presence in the Pacific Northwest and strengthening its K–12 and higher education design expertise. [More information] 

April 2DIGroup Architecture (New Brunswick, NJ) acquired Robert L. Stark Architecture (Queens, NY), expanding its footprint in New York City and strengthening its presence in affordable and supportive housing, education, and civic architecture. [More information] 

April 2 Garmann Miller (Minster, OH) acquired Access Engineering Solutions (Celina, OH), enhancing its civil engineering capabilities and strengthening its service offerings across municipal and transportation infrastructure projects.[More information] 

April 2 Applus+ Laboratories (Barcelona, Spain) acquired Gometrics (Barcelona, Spain), expanding its capabilities in instrumentation, calibration, and gas detection. [More information] 

April 3Stantec (Edmonton, Canada) announced plans to acquire Page (Houston, TX), a multidisciplinary design firm, creating the second-largest architecture and engineering firm in the U.S. and expanding Stantec’s presence in key markets including healthcare, higher education, and life sciences. More information 

April 3ZenaTech (Toronto, Canada) acquired Wallace Surveying Corporation (West Palm Beach, FL), a Civil Engineering firm, expanding its capabilities in land development surveying. [More information] 

April 3Setec (Paris, France) acquired Sealand Projects (Aberdeen, UK), expanding its capabilities in offshore wind and marine engineering.  

April 3Ridge and Partners (Birmingham, UK) acquired Adept Management (London, UK), a Construction / Project Management firm, expanding its capabilities in project controls and design management. [More information] 

April 3LJA (Houston, TX) acquired The WLB Group (Tucson, AZ), a Civil Engineering firm, expanding its capabilities in land development. [More information] 

April 4YA Group (St. Louis, MO) acquired Encore Group (Henderson, NV), a Construction / Project Management firm, expanding its capabilities in scheduling, training, and dispute resolution. [More information] 

April 4Oasis Landscape Services (Gainesville, FL) acquired Integrated Asset Maintenance (“IAM”) business (Washington, DC), expanding its capabilities in environmental services. [More information] 

April 7CannonDesign (New York, NY) acquired The Clarient Group (Iselin, NJ), expanding its capabilities in smart building and integrated technology systems.  

April 7Thomas & Hutton (Savannah, GA) acquired Florida Engineering Group (Orlando, FL), a Civil Engineering firm, expanding into commercial, residential, and institutional markets. [More information] 

April 7Origin Enterprises (Dublin, Ireland) acquired Scott Cawley (Blackrock, Ireland), expanding its capabilities in ecological survey and environmental assessment. [More information] 

April 7Destin 4 Chartered Surveyors (Fareham, UK) acquired Chandler Hawkins (Portsmouth, UK), a Surveying Practice firm.  

April 8 Verdantas (Dublin, OH) acquired Aqua Engineering (Fort Collins, CO), expanding its capabilities in irrigation and water infrastructure. [More information] 

April 8Verdantas (Dublin, OH) acquired Horizons Engineering (Littleton, NH), a Civil Engineering firm.  

April 8Verdantas (Dublin, OH) acquired Atlantic Environmental Consulting Services (Warren, NJ), an Environmental firm. 

April 8 Alta Planning + Design (Portland, OR) acquired CHS Consulting Group (Oakland, CA), a Civil Engineering firm, expanding in transportation planning. [More information] 

April 8Terracon (Olathe, KS) acquired The Transtec Group (Austin, TX), a Civil Engineering firm, expanding in pavement engineering. [More information] 

April 8 Stantec (Edmonton, Canada) acquired Ryan Hanley (Galway, Ireland), entering the Irish market and strengthening its infrastructure design, water services, and environmental capabilities. [More information] 

April 8ORS (Mullingar, Ireland) acquired O’Callaghan Moran (Cork, Ireland), an Environmental firm. [More information] 

April 8 ORS (Mullingar, Ireland) acquired Coffey Consulting Engineering (Mullingar, UK), a MEP Engineering firm. [More information] 

April 8 RSK Group (Helsby, UK) acquired Elsym Installations (Burton-on-Trent, UK), expanding in electrical systems design and testing. [More information] 

April 8Witteveen+Bos (Deventer, Netherlands) acquired Maidl Tunnelconsultants (Munich, Germany), expanding in mechanized tunneling and geotechnical engineering.  

April 9 GreenbergFarrow (Atlanta, GA) acquired South Coast Engineering Group (Calabasas, CA), a MEP Engineering firm. [More information] 

April 9Grace Hebert Curtis Architects (Baton Rouge, LA) acquired Straughn Trout Architects (Lakeland, FL), expanding its capabilities in education and civic design. [More information] 

April 9 Kleinfelder (San Diego, CA) acquired Veenstra & Kimm (West Des Moines, IA), a Civil Engineering firm, expanding in structural, environmental, and transportation services. [More information] 

April 9 Contollo Group (Knutsford, UK) acquired KAM Project Consultants (Milton Keynes, UK), a Construction / Project Management firm. [More information] 

April 9YARD REAAS Group (Milan, Italy) acquired AEGIS (Brescia, Italy), an Engineering and Architecture firm, expanding in urban planning and forensic engineering. [More information] 

April 9Apex Partners Holdings (Sandton, South Africa) acquired DRA Global Limited (Perth, Australia), expanding in mineral processing and infrastructure design. [More information] 

April 10Inframark (Horsham, PA) acquired Woodruff & Howe Environmental Engineering (Cumming, GA), an Environmental firm. [More information] 

April 14 UES (Orlando, FL) acquired Stevenson Consulting (Midlothian, VA), expanding its presence in Virginia and the DC Metro area and adding expertise in geotechnical engineering, materials testing, and code compliance.  

April 14AO (Orange, CA), a full-service architecture firm, expanded its Healthcare Studio by integrating Alexander + Hibbs (Irvine, CA), uniting AO’s interdisciplinary platform with 30 years of specialized healthcare design expertise

April 22Cadre Holdings (Jacksonville, FL) acquired the engineering division of Carr’s Group (Carlisle, UK), which provides safety-critical engineering solutions to nuclear and defense sectors. The acquisition strengthens Cadre’s position in high-reliability defense technologies and expands its footprint in the UK. More information 

April 30Ultra Intelligence & Communications (Ultra I&C) (Austin, TX) acquired Expeditionary Engineering (Oklahoma City, OK), a provider of deployable infrastructure and power systems for defense and government clients. The acquisition enhances Ultra I&C’s capabilities in expeditionary and tactical engineering solutions. More information 

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Zweig Group, a four-time Inc. 500/5000 honoree, is the premier authority in AEC management consulting, the go-to source for industry research, and the leading provider of customized learning and training. Zweig Group specializes in four core consulting areas: Talent, Performance, Growth, and Transition, including innovative solutions in mergers and acquisitions, strategic planning, financial management, ownership transition, executive search, business development, valuation, and more. With a mission to Elevate the Industry®, Zweig Group exists to help AEC firms succeed in a competitive marketplace. The firm has offices in Dallas and Fayetteville, Arkansas.