A shortlist of four US firms: Tristan Capital, Harbert Management Corporation, KKR and Ares Management, are all bidding on the Arlington Business Parks Partnership (ABPP) Portfolio. The portfolio is comprised of six business parks, the largest of which is the Hammersmith Embankment campus, which has a value of £120 million. It also includes business parks in Gloucester, Oxford, Uxbridge, Manchester and Arlington Square in Bracknell.