Over the past few years, we have been proud to have welcomed so many former IVI Assessment Services (also known as IVI Due Diligence, IVI International (Construction group), IVI Environmental) professionals to Partner Engineering and Science, Inc. With a rich history and some of the most esteemed due diligence professionals in the industry, IVI was a respected competitor of Partner’s for many years. Now, many of the biggest names from IVI are now on the Partner team. If you had a great experience working with IVI, let Partner become your trusted advisor.
To catch up with the former IVI team, please give them a call: 800-419-4923

Charles ‘Chuck’ Mulligan, LEED AP
Some of the environmental professionals that have joined Partner from IVI Assessment Services, IVI Due Diligence, and IVI Environmental teams include:

Robert W. Barone, R.A., LEED AP
Some of the construction professionals that have joined Partner from IVI International’s construction team include:

Sara Ehrentreu
Some of the zoning professionals that have joined Partner from IVI Assessment and IVI Due Diligence’s zoning team include:
Some of the building assessment and envelope professionals that have joined from IVI Assessment and IVI Due Diligence include:

June 24, 2026
In this article from Propmodo.com, Brady Mills cautions that before CRE organizations can fully leverage the next generation of AI and technology, they must first address a more fundamental challenge: building the data foundation that makes better decisions possible.

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.




