Colliers secures nearly 1 Million s/f of class A office management assignments in Philadelphia

The firm expands real estate management portfolio with two high‑profile properties

PHILADELPHIA, PA — Colliers, a leading diversified professional services and investment management company, has been appointed to manage nearly one million s/f of class A office space in Philadelphia’s Center City. Owned by Intervest Capital Partners, and asset managed by Ridgebrook Partners, the two class A properties further expand Colliers’ property management portfolio, underscoring the strong trust clients place in the company’s integrated platform. The Colliers team is led by Jessica Bonk, senior general manager, Chelsea Weir, senior property manager, Melissa Herrmann, senior property manager and Cecelia Gorman, senior assistant property manager.

The two assignments, located at 1835 Market St., a 690,426 s/f premier office tower and 1635 Market St., a 296,000 s/f office building, offer tenants a mix of modern office space, best-in-class amenities, and strong connectivity to key commercial and transportation hubs. Colliers will provide comprehensive property management services at both properties.

“Philadelphia remains a vibrant and strategically important market, and we’re excited to deepen our footprint with these high-quality class A properties,” said Bonk. “Our team is dedicated to maximizing the value of these assets while delivering exceptional service to both tenants and property owners.”

These new assignments bolster Colliers’ growing presence in Philadelphia’s high-demand CBD market and solidify the company’s expertise in managing large-scale office properties. The addition of these two properties further demonstrates the firm’s full-service real estate and investment management platform.