CMS Client Care


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If you need immediate support, please call 1-800-533-0595.

Learn more about our CMS Client Support Services

Our knowledgeable and friendly specialists are here to address your support issues to get you back up and running in no time. Our team has experience on many platforms and can assist with anything from troubleshooting error messages to addressing customization requests. Client services are provided via phone, remote connection, and/or on-site visits, depending on your needs. Our normal client support hours are 8:30 am-5:00 pm EST, Monday through Friday.

For additional information, please contact Support at 860-399-4215 ext 1 or via
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Marrinan & Associates Case Study

Learn how Marrinan & Associates saved nearly $300,000
thanks to CMS consulting technique and the automation benefits featured in Sage 100.

Download Case Study