Sale process for DTZ Holdings plc owned by UGL Limited (ASX:UGL) failed to draw strong bids. While Warburg Pincus LLC, Ares Management, L.P. (NYSE:ARES) and Onex Corporation (TSX:OCX) were among the contenders, TPG Capital, L.P. was the only party in the running to buy DTZ Holdings plc, The Australian reported citing a company source.