In Chapter 2, What Are the Key Skills I Need?, and Chapter 3, What is My Job Now?, we discussed how important it is to build a valid business case to justify and support your project. The business case is an essential element of any successful project, especially those using the PRINCE2 methodology because it's one of the seven themes. We've also discussed how it comes under the Project Manager's responsibility for planning.

So, how do you actually write a business case? And how do you go about getting sign-off from your key stakeholders? At its core, a business case is nothing more than some logical reasoning to support the investment to initiate and sustain a project. To do that, it must demonstrate a genuine need as well as the viability of succeeding. This boils down to whether it's considered good value for...