It is difficult to find qualified IT professionals. By outsourcing complex and high end IT works to an outside agency, a business can hire the best of IT personnel. Once a person is hired on permanent basis then the company is stuck with that person.
However, there is no such disadvantage with outsourcing where a company can hire the best talent available in the market. The professionals can be hired as and when needed. IT professionals working in the outsourcing industry bring superior technological capabilities.