The TPS / FPS regulations mean you can not make an unsolicited 'phone call to just anyone you wish in the UK, nor can you send promotional faxes out to everyone with a fax number. People and companies not wishing to receive unsolicited calls can register with the Telephone and Fax Preference Services (TPS / FPS). If you subsequently call them, you risk a £5000 fine.
To access our UK Phone and Fax Preference Service (TPS / FPS):