As a small business owner, you already have to keep track of lots of things. But one of the most important things to know about is taxes. Here are the important small business tax calendar dates you must know about.

Important Small Business Tax Dates To Know

DateWhat's Due
Feb. 1Must send out W2 forms to employees
Feb. 28Due date to send 1099 form copies to IRS
Mar. 15Deadline for corporate tax returns
Mar. 31Deadline for electronic filing of forms 1098, 1099s (1099-MISC excepted)
Apr. 18Tax Day: Deadline for individual tax returns
Oct. 16Deadline for individual tax return if you've filed an extension.

Here are some of the big dates you should know about as a small business owner. Most of these are self-explanatory but you can also look up all the dates on the IRS website for more details.

Keep in mind that some dates may fluctuate year-to-year. For example, Tax Day is typically April 15 but this year it was April 18 due to weekends and holidays.

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Self-Employed Estimated Quarterly Tax Payments

As a small business owner, you’re self-employed. Chances are, you’re going to have to pay self-employment taxes. These taxes mainly cover your Social Security and Medicare.

You must ordinarily pay your estimated taxes in four installments. The first installment is due April 15 or whatever day Tax Day lands on. Here are the other estimated tax dates to know.

Income Received for the PeriodEstimated Tax Due Date
Jan. 1 through March 31April 15
April 1 through May 31June 15
June 1 through Aug. 31Sept. 15
Sept. 1 through Dec. 31Jan. 15 of the following year

Important Deductions For Small Business Owners

Don’t forget to maximize your deductions in order to minimize your taxable income. The best way to do that is to keep track of almost everything. That means you should be diligently tracking your expenses and your mileage.

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Marin Perez

Marin Perez

Marin is part of the marketing team at MileIQ. He's excited to see how entrepreneurs are using tools like MileIQ and Spend to be more successful. When not working, he's thinking about his next trip.
Marin Perez

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