San Bernardino and Fontana residents can get tax services from G&S Accountancy. Their computer software will verify and double-check your tax return, looking for probable issues the IRS might look at more deeply and reviewing the math to limit IRS contacts. You can file your tax return electronically, which can speed up the process of receiving your refund. Their experts will demonstrate to you how to modify payroll withholding so that you receive more money each week.