This is a challenge for most businesses. Can you 'get away' with only having one KPI? The short answer is 'yes', if you respect the letter K. As I am sure you know, KPI stands for Key Performance Indicator . Key, as in critical or super important. This means that the one 'killer metric' has to be meaningful. Really meaningful. A good KPI will cascade into other areas. Supporting data / metrics can be dug into when required. If the primary KPI is off track, you'll need the other data for context and to help with decision making. But, if the KPIs is not off track, what else do you need to know. Thinking like this is an antidote to too much data. I see businesses with reams of information. Each measure is defined as a KPI, but how can it truly be? The reality of this situation is that this approach could lead to one KPI per business team / function. Most metrics can be translated back to into a financial measure, ultimately profit. This is a hard nosed meta me...