Complex sentence: The Art Loss Register is a private company working internationally to offer a due diligence service to the art market and assistance to the victims of crime, their insurers, and law enforcement agencies in tracking down and recovering stolen and looted art, antiques and collectibles.
Split into simpler sentences: The Art Loss Register or ALR is a private company working internationally to offer a due diligence service to the art market. It provides assistance to the victims of crime, their insurers, and law enforcement agencies in tracking down and recovering stolen and looted art, antiques and collectibles.