Outsourcing is when a company purchases products or services from an outside supplier rather than performing the same work within its own facilities, in order to cut costs. In other words, outsourcing is an organization's contractual relationship with a specialized outside service provider for work traditionally done internally by that organization. The decision to outsource is a major strategic one for most companies because it involves weighing the potential cost saving against the consequences of a loss in control over the product or service. Some common examples of outsourcing include manufacturing of components, computer programming services, tax compliance and other accounting functions, as well as payroll and other human resource functions.

The growth in outsourcing in recent years is partly the result of a general shift in business philosophy. Prior to the mid-1980's, many companies sought to acquire other companies and diversify their business interests in...