El Segundo, CA — Partner Engineering and Science, Inc. has entered into a professional affiliation with London‐based GO Contaminated Land Solutions Ltd. In order to serve a growing list of clients with international real estate assessment requirements, announced President Joseph Derhake, PE.
Both Partner and GO have established track records of delivering high-quality environmental services for a variety of clients including real estate investors, developers, and lenders. Partner and GO have very compatible environmental service practices—from initial assessments for potential contamination to subsurface investigations and remediation services—and compatible philosophies of listening to their clients and understanding their needs. Each is also an expert in the applicable USA and UK statutory requirements.
By working together, companies with interests on both sides of the Atlantic will be afforded cost‐effective services delivered by professionals familiar with their local environment.
Partner is also in talks with additional potential affiliates to offer energy evaluations, building inspections, and environmental services throughout the Americas, Europe, and Asia.

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.




