Atlantic Merchant Services Store Sign-Up Form. Customer Info. Customer First Name* Customer Last Name* Select CoreCommerce Plan*Please SelectCoreCommerce ($29 per month)CoreCommerce Pro ($79 per month)CoreCommerce Business ($229 per month)CoreCommerce Enterprise (Contact us for Pricing) DBA Company Name* Customer Email Address* Customer Phone Number* What do you want the name of the store to be?* Your store name will become your domain name, e.g. http://yourstorename.corecommerce.com/ Max 13 characters. You may not use symbols in your store's name. Note: A password will be generated and provided when the store setup is complete.