H&R Block is one of the world's largest tax services providers, utilizing more than 100,000 highly trained tax professionals and having prepared more than 550 million tax returns worldwide since 1955. In addition we: Prepared 1 in every 7 U.S. tax returns. Prepared more than 24 million tax returns worldwide in 2010. Have a retail office within 5 miles of most Americans. Have prepared more than 50 million digital tax returns since 1994. Personalized help is available no matter how you want to work with us. In-office, face-to-face tax preparation Online and software do-it-yourself tax prep Do-it-yourself tax preparation with unlimited help from a tax professionalWe have the best tax professionals in the industry, who are available to do whatever it takes to meet your specific needs whether you file in the office or do your own taxes. File in our office: The average H&R Block client works with a tax professional with more than eight years experience and 450 hours of training. File at home: H&R Block Online do-it-yourself tax prep solutions are easy to use and backed by the expertise of H&R Block. All online and software products provide a 100% accuracy and maximum refund guarantee and include free Audit Support (guidance and representation before the IRS) and free expert advice from the H&R Block community of tax specialists.