E-Procurement offers many companies a very simple and efficient way to achieve cost savings in purchasing and to gain sustainable competitive advantages through process optimizations. The reader will learn what considerations need to be made prior to implementing e-Procurement. The approaches of key e-Procurement system providers are compared, critical factors in the implementation of e-Procurement solutions are examined in detail, and practical tips for planning and executing e-Procurement projects are provided through examples. The book presents the most successful solution approaches, standards, and software providers.