Tax Mex Income Tax Service is a leading accounting firm offering state-of-the-art income Tax Services in Fairfield CA. We have everything on hand to file your taxes in the most efficient method on the IRS website or by visiting the nearest IRS office. We are the No.1 choice of individuals, business entities, and corporate organizations to look into their tax preparation & filing issues. Our expert tax professionals have got you covered, from tax consultation to planning to the filing. We handle each aspect to keep deductions minimal and credit score maximum.