RSM US LLP has signed a long-term lease to relocate its Philadelphia office to 1735 Market Street. The firm will occupy 22,340 square feet, moving one block from its current location. RSM will relocate from 25,827 square feet at Duane Morris Plaza, located at 30 South 17th Street. The new office will span the entire 21st floor of the 54-story tower. RSM plans to complete the move during the second quarter of this year.

Although the relocation reflects a modest space reduction, the move supports continued business growth. Culture and talent experience as key drivers. The firm expects the new space to better align with evolving workplace needs. 1735 Market Street is currently more than 90% leased.

Philadelphia office vacancy has hovered near 20% in recent years. However, trophy-class buildings continue to outperform the broader market. Top-tier office properties reached 89.5% occupancy in the fourth quarter. These assets have benefited from tenants prioritizing quality locations. Headquartered in Chicago, RSM also maintains offices in Blue Bell and Harrisburg.