SureTax provides tax calculation solutions for some of the world's largest communications companies. Their challenges are to offer Infrastructure-as-a-Service (IaaS) with managed, virtualized hardware and meet the needs of large enterprise clients demanding software hosted on private clouds. They chose VMware to overcome these challenges. They have implemented flexible data center solutions platform from phoenixNAP, which uses VMware solutions such as vCloud Suite, vSphere and vCenter Operations Manager and supports the secure virtualization and management requirements of SureTax's growing client base. The results of implementing VMware were launched virtualized cloud solution that manages client tax calculation systems with high performance, availability and privacy, realized return on investment in less than two years and created foundation for business growth and expansion into new markets.