Typically corporations must file an annual income tax return with the IRS. At the federal level, C corporations are taxed at rates ranging from 15 percent to 38 percent, based on taxable income. Dividends that meet certain conditions are now taxed at a 15 percent rate. Shareholders of an S corporation
In additional to income taxes, corporations will also likely have to pay some if not all of the following additional federal taxes:
Self-employment tax: This tax is a combination of Social Security and Medicare tax for individuals who work for themselves. You generally must pay self-employment tax if your annual net earnings from self-employment are $400 or more.
Employment taxes:
Tax matters, both state and federal, can be very complicated. The IRS and other government agencies offer assistance to small businesses. If after reviewing all available assistance, you are still confused or unclear about tax issues, it is a good idea to seek professional assistance. In fact, tax issues are one area in which you are allowed to go straight to professional assistance, without attempting to master the area yourself. To find the right tax professional for you and your corporation, ask your colleagues, your attorney, and your banker for a recommendation for a tax attorney, accountant, financial advisor, and bookkeeper.
In addition, read Small Business Tax Basics, and Top 10 Tax Tips for Small and Growing Businesses.