Cardnet: PCI DSS compliance queries

We have a dedicated team to help you meet and maintain your annual PCI DSS compliance reporting obligations.

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For any PCI DSS compliance questions or queries please complete our online enquiry form below. 

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Or you can call us on 0330 8080 798. Lines are open Monday to Friday, 9am to 5pm.

PCI DSS compliance query 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, 570KB)

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