Thank you for visiting the CMSAS Limited website. Please note, we are NOT the 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: 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 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.

Additional Online Help & (downloadable) Forms & Documents

There are many websites available online that you can use to check information. Please be mindful that each and every case is individual and different. What may have worked for the person online, your friend, your co-worker, does not mean it will automatically work for you.

Useful Forums & Sources of information

McKenzie Friends

Useful co-parenting tools

Our Family Wizard

Parallel Parenting

Parallel Parenting Blog

Parallel Parenting Book on

Useful Forms & Documents

CMS: Subject Access Request Form

Child Maintenance & Enforcement Commission: Special Payments Guide

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 £175 (£210 inc. VAT) for an initial consultation.

Additional Consulting Hours

We charge £150 (£180 inc. VAT) for additional hours.

Mother and daughter walking in autumn