Information for the Child Maintenance Service (CMS)

For the latest information, please go direct to the Child Maintenance Service website.

Report changes online

Report changes to your circumstances through your online account.

Call the Child Maintenance Service

Child Maintenance Service
Telephone: 0800 171 2345
Welsh language: 0800 232 1979
Relay UK (if you cannot hear or speak on the phone): 18001 then 0800 171 2345
Monday to Friday, 9.30am to 3.30pm
Find out about call charges

British Sign Language (BSL) video relay service

Watch a video to check you can use the service.

Monday to Friday, 9.30am to 3.30pm

There’s a different phone number if you live in Northern Ireland.

Contact the Child Maintenance Service by post

You can also write to the Child Maintenance Service.

Child Maintenance Service (England, Scotland, Wales cases)
Child Maintenance Service 21
Mail Handling Site A
Wolverhampton
WV98 2BU

Child Maintenance Service (Northern Ireland cases)
Child Maintenance Service 24
Mail Handling Site A
Wolverhampton
WV98 2BU

If you would like to arrange an initial consultation with us, please click here or select one of the options below.

Initial Consultation

We charge £125 (£150 inc. VAT) for an initial consultation.

Additional Consulting Hours

We charge £75 (£90 inc. VAT) for additional hours.

Young siblings hugging

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