A hotel research and consulting firm with offices in Philadelphia last week rebranded under a real estate and investment firm's moniker, a move the consulting firm says will give its clients more services. PKF Consulting USA on Feb. 1 began operating as CBRE Hotels, a specialized advisory group within CBRE Group Inc. after the company in July 2014 bought PKF. CBRE also acquired PKF Hospitality Research and Canada's PKF Consulting Inc. One Philly restaurant makes Yelp's 'must try in lifetime'...