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Client Custom Credentials

Self-service website for clients

Welcome to the self-service website for clients of the Child Maintenance Service. If you already have a case with us, you can manage it online here. If you don't have a case, you can find information about child maintenance - including how to open a case - at
GOV.UK opens in new window icon (for Great Britain cases) or NIDirect opens in new window icon (for Northern Ireland cases).

To access your child maintenance case online, we need to confirm your identity.

Sign in to your self-service account below.

Details marked * must be completed

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Please enter the following digits from your PIN
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If you are looking for our employer site, you are in the wrong place

This site is for individuals who pay or receive child maintenance. If you're an employer who pays your employees' child maintenance through their earnings, go to the self-service site for employers.

Your Customer Reference Number
Your Customer Reference Number is twelve digits long and begins 121. You'll find this on any letters we have sent you about your case.
Your National Insurance number
Your National Insurance number is 9 characters long. It should look something like this - AB123456C.
Digit from your PIN
Your client PIN is the seven digit number you chose when we first opened your case. Please enter the digit asked for.
Digit from your PIN
Your client PIN is the seven digit number you chose when we first opened your case. Please enter the digit asked for.