Consultants are of invaluable help when it comes to business operations. A consultant is a specialist who offers professional support or advice in a particular niche. With that said, advancement in the information technology field has caused a paradigm shift in the way businesses operate. Though having an IT department can seem a great way of keeping up with technology, it can take a toll on your company's finances. On the other hand, hiring computer system consulting services makes more economic sense, and here are reasons why.