About Us
Our team supports your real estate strategy
A Brief History
October 2013
Co-Found NEEDDA
Partner is a founding member of the industry association, the National Engineering and Environmental Due Diligence Association (NEEDDA).
August 2013
ENR’s Top Environmental Firms for 200 Environmental Firms
Partner ranks on ENR’s top lists for the first time.
June 2013
Birdsall Services Group Acquisition
Partner purchased the assets and retained key personnel from a nearly 100-year-old respected engineering firm. Further expanding and creating dual headquarters for East Coast operations.
March 2013
CLRM Founded
Partner and industry leaders founded the CRE industry association Construction Lenders Risk Management (CLRM).
March 2012
Partner moves corporate headquarters into Green building
After completely retrofitting an old telephone company property, Partner obtains LEED certification for new LA-based corporate offices.
Founding of Partner Engineering and Science, Inc.
Like any great company, Partner was founded in CEO Joe Derhake’s garage.
May 2008
Supports California’s Largest Real Estate Transaction of 2008
Douglas Emmett, Inc. (DEI) engaged Partner to conduct Phase I ESAs during their acquisition of six large office properties valued at $610M and 1.4M SF of office space in Los Angeles submarkets.
March 2009
LandAmerica Asset Acquisition
Retains several key employees, along with legacy operational systems, prior reports, and best-in-class report management software.
Partner Energy Founded
The partnership with Partner Energy deepened the capabilities provided to clients. Opening up opportunities for sustainability solutions.
Employee Count 100+
Partner’s employees exceed 100 for the first time.
March 2011
Continental Surveying Acquisition
Partner expands ALTA survey capabilities nationally.
The Tale Goes…
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The Partner difference
A technology-forward approach
Wouldn’t it be great if there was an “easy button” for ordering, receiving, and managing the hundreds of data points within due diligence and asset management reports? With Partner’s SiteLynx Technology, there is! SiteLynx is Partner’s user-friendly report ordering, delivery, and analysis dashboard.
Learn More HereIt's all about the people
Visit our Careers page here.