Cardnet: How to change details

You can change your details by following the steps below.

  • Making your request

    To change your Account Trading Name (the name of your business) or Bill to Name (the name of the owner) you need to make a request: 

    • In writing
    • Clearly specify which name you need to change
    • Using company headed paper or email which includes company email signatures
    • Signed by a director, proprietor, partner or owner of the business.

    Sending your request

    Email your request to cnetinve@fiserv.com

    Or post your letter to:

    Cardnet Merchant Services
    PO Box 280
    Lowton Way
    Hellaby
    Sheffield
    S98 1RT

    Your details will be updated approximately 14 days after we have received your request.

  • You can request a change in bank details if there are no other changes in the business. 

    Contact us for any other changes including change of legal entity or change in business type. Please call us on 01268 567100. Lines are open Monday to Saturday, 8am to 9pm.

    Making your request

    There are two things you need to do:

    Complete the Change of Bank Request Form

    Please complete the change of bank form (PDF, 514KB) in full and have it signed and dated by your named contact. 

    You complete the form online. The form allows you to attach your new bank account evidence and signatories. You can also print the form and complete by hand.

    Please note that:

    • If your new bank account is Lloyds Bank or Bank of Scotland, complete sections 1, 2, 3, 4 and 8.
    • If your new bank account is not Lloyds Bank or Bank of Scotland, complete all sections.
    • Add the last nine digits of your MID number as the reference for Direct Debit mandate.
    • Your new bank evidence should be within the last three months. You can submit one of the following:
    • Void Cheque
    • Paying in Slip
    • Bank Statement
    • Bank Welcome Letter
    • Attach your evidence within the form, on email, or send through the post.
    • More pages are available in section 10 for extra owners.

    Return by email or postal address

    You can return the form by:

    • emailing cnetinve@fiserv.com, or
    • writing to Cardnet Merchant Services, PO BOX 282, Lowton Way, Hellaby, Sheffield, S98 1RT

    If completing by hand, you can scan the form and return on email or post to the address above.

    We’ll contact you once we update your bank details. This will be approximately 14 days from when we receive your request.

    Important information

    Bank change requests are subject to a Service Level Agreement. This ends 14 days after we receive all the necessary information. 

    • A change in the legal entity or named people will require a legal entity request instead.
    • A change in the type of business will require a new account set up.
    • Do not close any old bank accounts until we have confirmed completion.

    Further support

    We're here to help. Simply call 01268 567100 between 8am to 9pm, Monday to Saturday.

  • Making your request

    To change your trading or bill-to (correspondence) address your request needs to:

    • Be in writing and dated
    • Be signed from a qualifying signature by a director, proprietor, business owner, 2 partners or 2 trustees, which we have prior knowledge of, with signatories’ names printed
    • Contain Merchant Identification numbers (MIDs) you want the change to be applied to
    • State full current and new addresses, including postcodes 
    • Specify if you are changing trading address only, correspondence address only, or both
    • Provide proof of address for the new address – a copy of utility bill or bank statement, containing Business or Legal name

    All signatories are checked before the change is made. If the signatory is not authorised or not recognised we will make contact to advise you of this.

    Sending your request

    Please scan and email your request and proof of address to cnetinve@fiserv.com 

    Or post your letter to:

    Cardnet Merchant Services
    PO Box 280
    Lowton Way
    Hellaby
    Sheffield
    S98 1RT

    Your details will be updated approximately 14 days after we have received all the required information.

  • To request a change in legal entity, please complete our online legal entity enquiry form.

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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.

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