Tax preparation is the process of preparing tax returns, often income tax returns, often for a person other than the taxpayer, and generally for compensation. Tax preparation may be done by the taxpayer with or without the help of tax preparation software and online services. wikipedia.org

QuickBooks is a line of business accounting software developed and marketed by Intuit. wikipedia.org

A consultant is a professional who provides professional or expert advice in a particular area such as management, accountancy, law, or any of many other specialized fields. wikipedia.org

A financial statement (or financial report) is a formal record of the financial activities of a business, person, or other entity.

An income tax audit is the examination of a business or individual tax return by the IRS or state tax authority. The IRS and states interchangeably use the terms audit, examination, review, and notice to describe the enforcement of tax codes and filing returns accurately. wikipedia.org

Corporate tax refers to a tax imposed on entities that are taxed at the entity level in a particular jurisdiction; such taxes may include income or other taxes. Businesses increasingly trade across borders,dealing with constant development in domestic and international tax laws. wikipedia.org

Bookkeeping is the recording of financial transactions. Transactions include sales, purchases, income, receipts and payments by an individual or organization. Bookkeeping is usually performed by a bookkeeper. wikipedia.org