www.scottish-newcastle.com/
The home page for Scottish & Newcastle includes investor relations and financial information as well as product information.

www.eyefortransport.com/archive/time02.pdf
A think-piece extending the concept of mergers and acquisitions into the digital marketplace, including section on horizontal growth across industry boundaries.

www.aboutabbey.com/home/inst_inv/inst_inv-key_facts/inst_inv-key_facts-mergers_acquisitions_disposals.htm
A detailed chronology of Abbey National’s acquisitions, dating back to 1991.

www.competition-commission.org.uk/rep_pub/reports/2001/458lloyds.htm#full
Link to full text and summary of Competition Commission’s report on proposed merger between Lloyds TSB and Abbey National.

http://www.economist.com/research/Economics/
Enter "Horizontal integration" or "Vertical integration" as a search in the Economist’s Economics A-Z, for entries covering growth through integration.