Which Credit Reference Agencies do you use?

​We use Equifax and TransUnion (formerly Callcredit) as our reference agencies. Their details are as below:

Equifax Limited
www.equifax.co.uk
0800 014 2955
0333 321 4043

TransUnion (formerly Callcredit)
www.transunion.co.uk
0330 024 7574