Auditing giant KPMG is adding more space at SL Green’s 1350 Sixth Ave.

The firm signed an expansion lease for 19,517 square feet encompassing the entire 11th floor, increasing its space at the tower to nearly 112,000 square feet.

CBRE’s Patrick Murphy and Jamie Dennison represented KPMG. Howard Tenenbaum and Gary Rosen repped SL Green in-house.