Communications and Information Industries Directorate
DTI section helping the UK in the information age.
http://www.dti.gov.uk/cii

Her Majesty´s Government Communications Centre
Research, design, development and production of communications hardware and software.
http://www.hmgcc.gov.uk

Office of Telecommunications
OFTEL. Regulates telephone and data providers.
http://www.oftel.gov.uk

Radiocommunications Agency
Responsible for the allocation and supervision of the UK radio spectrum.
http://www.radio.gov.uk