Information technology consulting
Information technology consulting (also called IT consulting, computer consultancy, computing consultancy, technology consulting, business and technology services or IT advisory ) is a field that focuses on advising businesses on how best to use information technology to meet their business objectives. In addition to providing advice, IT consultancies often estimate , manage , implement , deploy , and administer IT systems on businesses' behalf, known as outsourcing . The IT consulting industry can be viewed as a Four-tier system: Professional services firms which maintain large professional workforce's and command high bill rates. Staffing firms, which place technologists with businesses on a temporary basis, typically in response to employee absences, temporary skill shortages and technical projects. Independent consultants, who are self-employed or who function as employees of staffing ...