Epsten Group and Salas O’Brien join forces to strengthen sustainability consulting services

Salas O’Brien announced today that sustainability leader Epsten Group has joined the firm. Together, the firms will create a brighter future with sustainable solutions for the built environment.  

Contact the Epsten Group team

The merger creates significant shared value through broader in-house expertise, enhanced opportunities for employee ownership, and limitless potential for personal and professional growth.  

By merging with Epsten Group, we are confirming and strengthening our shared commitment to sustainable solutions. We are excited to share this team’s visionary approach with our clients, because sustainability in the built environment has a lasting impact for generations to come.
Darin AndersonChairman and CEO, Salas O’Brien

Epsten Group’s capabilities and portfolio complement Salas O’Brien’s expertise in sustainability consulting, building commissioning, architecture and interior design. Through its projects and company culture, Epsten Group works to create a global impact surrounding green initiatives.  

Along with my partners, Darren Draper and Lauren Wallace, I was continually amazed at how closely our values align with Salas O’Brien. That was the most important deciding factor in order to continue providing an excellent experience for our team and the clients we serve together.
Bill D’OnofrioPrincipal and Director of Operations, Epsten Group

As the next step in Salas O’Brien’s strategy to be local everywhere, with international resources, the Epsten team will continue to be managed by its current leaders and will adopt the Salas O’Brien name after a transition period. The merger closed on February 1, marking the second company to join Salas O’Brien in 2023. This merger expands Salas O’Brien’s presence to more than 65 North American offices with over 2,050 team members. 


Featured experience

Georgia State University Convocation Center

Our team commissioned HVAC systems, lighting controls, emergency power systems, and hot water systems all designed to support a variety of events in this 8,000-seat arena.

712 West Peachtree

Our team provided LEED and Fitwel consulting, energy modeling, and commissioning for this 310,000-square-foot mixed-use high-rise.  

City of Atlanta – Grant Park Gateway

The City of Atlanta invested in a four-story, semi-underground parking garage with 1,000 spaces, a 2.5-acre green roof and 4,000-square-foot restaurant. The garage and its surrounding park-like setting achieved triple certification from LEED, SITES, and Parksmart.