Aircheck
- http://www.geocities.com/thehotw/
- Industry news, information on presenters and stations, broadcasting history, archive recordings, plus nostalgia section including a museum of archive radio images, stickers and logos.
Office of Communications (Ofcom)
- http://www.ofcom.org.uk/
- Independent regulator and competition authority including responsibility for radio broadcasting. Includes sections on codes and guidelines, consultations, consumer guides and research.
RACC
- http://www.racc.co.uk/
- Commercial radio's advertising clearance body. Includes news, FAQs and copy guidelines.
RAJAR
- http://www.rajar.co.uk/
- Radio Joint Audience Research; measures and profiles the audiences of UK radio stations. Offers headline audience data by station, more detailed information requires subscription.
RadioCentre
- http://www.radiocentre.org/
- The trade body for commercial radio companies in the United Kingdom, formed from the amalgamation of CRCA and the RAB. Includes press information and database of members.