Jackson Hewitt Tax Service Inc. is one of the leading full-service individual federal and state income tax return preparation companies in the United States. Located in Phoenix, Ariz., the company offers a range of online and offline tax preparation solutions to its clients. Some of its services include itemize deductions and credits, audit assistance, amended returns and disbursement solutions. Jackson Hewitt Tax Service Inc. also provides a corporate discount program that allows clients to assist in tax preparation at discounted rate for their employees, members and customers.