TORONTO and WASHINGTON, D.C., July 25, 2025 (GLOBE NEWSWIRE) -- Global diversified professional services and investment management company, Colliers (NASDAQ, TSX: CIGI), announced today it has completed its previously announced acquisition of a controlling interest in Astris Infrastructure, LLC (“Astris Finance”), a global investment banking firm specializing in infrastructure and energy transition. The acquisition significantly expands Colliers’ investment banking capabilities and capitalizes on the growin ...