 Call us at 770-8100 or visit our website at ccspaymentsolutions.com to see how much we can help and save you. Cornerstone Credit Services, 770-8100 or online at ccspaymentsolutions.com. Credit and debit card processing, point of sale systems, mobile payments, gift cards and debt recovery. It's everything your business needs and Cornerstone Credit Services can do it all. Employee-owned Cornerstone Credit Services can help you streamline your payment processing to help you become as profitable as possible.