Ofcom
Ofcom is the regulator of the UK telecommunications industry.
Address: Riverside House, 2a Southwark Bridge Road, London SE1 9HA
Phone: 020 7981 3000
Fax: 020 7981 3333
E-mail: contact@ofcom.org.uk
Website: www.ofcom.org.uk

ICSTIS
ICSTIS is the regulatory body for the premium rate telecommunications industry.
Address: Clove Building, 4 Maguire Street, London SE1 2NQ
Phone: 020 7940 7474
Fax: 020 7940 7456

Telephone Preference Service
TPS maintains a database of consumers and businesses who do not wish to be telephone cold called.
DMA House, 70 Margaret Street, London W1W 8S