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  • ACI Welcomes ISD Customers

    On 21 March 2011, ACI announced the acquisition of ISD Corporation. This strategic acquisition will bring together two of the industry's marquee providers of payments software under one organization.

  • P&H is now ACI Worldwide

    Our 2006 acquisition of P&H reconfirms our steadfast commitment to excellent customer service and continued emphasis on providing outstanding product offerings and solutions.

  • ACI announced the acquisition of ISD Corporation

    On 21 March 2011, ACI announced the acquisition of ISD Corporation.

  • ACI welcomes S1 customers and employees

    ACI has completed the acquisition of S1 and over the coming months will integrate the S1 organization into ACI to make it an integral part of the products and services that we offer.

  • ACI Worldwide completes acquisition of S1 Corporation

    On Feb 13, 2012, ACI today announced it has accepted for payment all shares of S1 Corporation common stock tendered in the previously announced exchange offer.