The main reason to outsource the IT department is generally to reduce business costs and benefit from the expertise that an outsourcing company can provide.
Managing technology is a complicated function let alone choosing, installing and supporting it. For most organisations it is seen as an overhead or even a potential headache!
It can also be difficult for a management team to measure the success of an IT department, unlike many other functions or departments within an organisation. As a result, quite often managers believe that ‘if it isn’t broken then don’t fix it’. Also, because technology it is so often misunderstood, i.e. people know they need technology but don’t know how it works, an organisation might not be fully using their technological advantages in order to become more efficient lower costs and improve profitability.