Partner Engineering and Science, Inc opened offices in Dallas and Chicago, expanding their Phase I Environmental Consulting and their Commercial Building Inspection practices to Texas and the Midwest. Partner’s national environmental and engineering due diligence practice is anchored in these two cities by experienced professionals. According to Joseph Derhake, PE, President of Partner, “Our business is about relationships with property owners and lenders and Dallas and Chicago are major banking and commercial real estate investment hubs.”
Primary services being provided from these regional offices are Phase I Environmental Site Assessmentsand Property Condition Assessments. Partner opened these offices in response to demand for services in these areas from national clients and in response to available talent.
Jeff Kiec, Partner’s Dallas Manager, brings 5 years experience with Phase Is and Property Condition Assessments plus Kiec is a LEED Accredited Professional. Kiec’s addition has allowed Partner to expand their services in Texas. Kiec as a LEED AP is a valuable addition to Partner’s Green Building Team.

June 22, 2026
Partner has named Frederick Ellington, AIA, LEED AP, as Technical Director in its Construction Services division. With 30+ years of experience, he strengthens the firm's construction risk management, due diligence, and project advisory capabilities for commercial real estate clients.

May 27, 2026
Capital planning in commercial real estate has entered a new phase. In addition to traditional lifecycle replacements, managers now face a growing set of capital needs driven by energy ordinances, decarbonization goals, and climate risk. These drivers are no longer peripheral considerations; they are central to how capital plans are developed, prioritized, and executed.

June 05, 2026
Partner Property Consultants, the European subsidiary of Partner Engineering & Science, Inc. (Partner ESI), announces that Antoine Yeprem joined the company in June 2026 as Senior Consultant, Real Estate Due Diligence, in Germany.




