A One Tax, based in Nevada City, CA, provides trustworthy tax preparation and filing services for individuals and businesses. Their professional tax preparers are members of the CTEC (California Tax Education Council) and are constantly learning and training in the most current tax rules, regulations, and requirements. They also offer QuickBooks accounting software training at clients' places. With over 30 years of experience in bookkeeping and computer training for small and medium-sized businesses, A One Tax serves clients in all sectors including Retail, Wholesale, Manufacturing, Service, Construction, and Non-Profit.