Global Systems Integrators, Outsourcers and Consulting Firms (GSIOCF) directly leverage or influence the majority of IT investment in large corporations. The projects that the GSIOCF deliver are specialist meaning that IT companies require skill, knowledge and a sophisticated alliance approach to gain credibility and maintain long term relationships. Here, Ian Shanahan provides organizations with a thorough overview of the GSIOCF sector, offers insight into its culture and expertly explains alliance best practice methodology. A must read for anyone that aspires to understand the market so that they can execute alliance engagements to the sector in a measured, methodical and low risk way.