Blackstone-backed Geosyntec Consultants completed the acquisition of Gradient.

Blackstone-backed Geosyntec Consultants, a consulting and engineering firm, completed the acquisition of Gradient, an environmental and risk sciences consulting firm. Financial terms were not disclosed. “Geosyntec and Gradient are both unwavering in our commitment to rigorous science and engineering delivered with exceptional client service. Gradient tackles complex environmental, health, and safety issues for their clients and brings a complementary, deep subject matter expertise and several new service offerings to our family of companies. This partnership enables us to provide a broader scope of services to our combined clients and accelerates our ability to service target markets focused on emerging and current societal-scale challenges,” Peter Zeeb, Geosyntec President and CEO.