Irwin Donaghey Stockman has evolved from one of the oldest firms of Chartered Accountants in Ireland (Atkinson & Boyd) through a series of takeovers (Touche Ross) and mergers (Price Waterhouse, BP Stockman & Co), to be the largest independent accountancy practice in the Borough of Coleraine. A shared history with the earliest Chartered Accountants in Ireland, together with the Big Four management,