London City Law Firm. Ingram Winter Green LLP is a firm of commercial lawyers based in Holborn, London. The firm is divided into three primary practice areas, Corporate, Litigation and Property. Corporate The corporate department acts for a range of clients from public companies to owner-managed businesses across all areas of company and commercial law. Litigation IWG's litigation team advises on commercial disputes both in the UK and overseas. Property The firm's property department deals with all types of commercial and residential property transactions. For more information please go to www.iwg.co.uk and follow us on Twitter @IWG_Solicitors