Castle Applications Group


  • Custom shopping carts
  • PCI compliant credit card processor integration including Heartland Payment Systems, Authorize.Net, USAEpay, Bank of America Merchant Services, PayPal
  • Recurring billing - charging customers with variable amounts due, using securely stored tokens instead of credit card data
  • POS - Point of Sale systems which work with off-the-shelf tablets


  • Responsive designs - working hand-in-hand with a designer, creating websites which scale for any device - desktop, tablet, mobile
  • Email marketing - responsive campaigns customized far beyond the capabilities of one-size-fits-all solutions
  • Website marketing - Google/Bing submission, paid advertising
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