ClearanceDept.com http://www.clearancedept.com
Specialize in obtaining music rights for clients in all media including film, television, digital media, Internet and commercial advertising.
Copyright Aid http://www.copyrightaid.co.uk/
Information about copyright law, protection, registration, licensing, infringement and other aspects of intellectual property in the United Kingdom.
HRC Watch http://tyler.hrc.utexas.edu/
Database of contact information for the copyright holders of authors and artists whose works can be found in libraries and archives across North America and the UK.
The Copyrights Group Ltd. http://www.copyrights.co.uk
Independent licensing agency based in the United Kingdom that represents writers, artists and corganisations for licensing to manufacturers and consumers.