LexisNexis Butterworths
Users can search the web catalogue and order products online. Also provides; a Press Centre which contains news.

CCH Ltd
Users can search the web catalogue and order products online. 

Sweet & Maxwell
Users can search the web catalogue and order products online.  Also contains podcasts by authors updating different areas of the law.

Office of the Public Sector
Formerly The Stationery Office, users can search for and order government publications and legislation online.

Other companies such as Justis.com, LawTel and Westlaw UK provide a subscription - based collection of searchable legal databases, similar to an online library. These sites aim to be comprehensive and competitive and provide a plethora of add-on services