Cardnet customer form

If you are unable to find an answer to your query, simply complete the form below or contact our helpdesk on 01268 567 100. Lines are open 8am to 9pm Monday to Saturday.

Complete the form

All fields marked with * must be completed 

Please ensure you submit a UK registered landline number 

Please ensure you submit a UK registered mobile number

To find out how to locate your Merchant ID number, please review one of the following statement readers.
If you transact in Multi-currency only (PDF, 882KB)
If you transact in Sterling only (PDF, 796KB)

Number starts with 540436 or 6770036

Contact Cardnet

New Customers - 0330 134 7976
Lines are open 9am to 5pm Monday to Friday.

Existing customers - 01268 567 100
Lines are open 8am to 9pm Monday to Saturday.

Cardnet FAQs

Get answers to the most-commonly asked questions about taking payments with Cardnet.


Important legal information

Cardnet® is a registered trademark of Lloyds Bank plc.

We may monitor or record calls to make sure we have carried out your instructions correctly and to help improve the quality of our service.

Please remember we cannot guarantee the security of messages sent by email.

Lloyds Bank plc and Bank of Scotland plc (member of Lloyds Banking Group) are authorised by the Prudential Regulation Authority and regulated by the Financial Conduct Authority and the Prudential Regulation Authority.

Authorisation can be checked on the Financial Services Register at