Thank you for visiting the CMSAS Limited website. Please note, we are NOT the gov.uk Child Maintenance Service (CMS). If you need to contact the CMS, the number for an existing case with the CMS is 0800 171 2345 and for a new case is 0800 988 0988 or you can go to their website here: https://www.gov.uk/child-maintenance-service. CMSAS Limited consultants are specialists in the Statutory Scheme of child support, as administered by the Child Maintenance Service. We would like to make you aware that we are not the gov.uk Child Maintenance Service (CMS). We are a private company that provide a chargeable service of support, guidance and advice to both Receiving and Paying Parents, with Child Maintenance issues, assessments, appeals, tribunals and all Child Maintenance matters pertaining to the CMS (Child Maintenance Service) and/or HMCTS (Her Majesty’s Courts and Tribunals Service), including where difficulties develop with the CMS and/or HMCTS.