2018 Tax Deadlines for Small Business

It’s easy to lose track of deadlines and be scrambling at the last minute, or worse, forget! There’s nothing more frustrating than having to pay a fine that could have been avoided.

Below is a list of tax filing dates and important deadlines for the 2018 tax year. Take a few minutes to save each relevant filing date to your calendar.

January 17, 2018:
Estimated Quarterly Payments
Note: Individuals, you do not have to file this payment due on January 17, 2017—so long as you file your 2017 tax return by January 31, 2018 and pay the remaining balance owed with your return.

January 31, 2018
Form W-2 Filing Deadline
Form 1099-MISC Copy A Filing Deadline: If you are filing a Form 1099-MISC and reporting amounts in Box 7, this deadline applies to you.
Copy A must be filed with the IRS by this date. Copy B must be furnished to the contractor no later than February 15, 2018.
If you don’t have amounts in Box 7 on your Form 1099, February 28 is the deadline for paper filing or March 31 for electronic filing.

February 15, 2018
Form 1099-MISC Copy B Filing Deadline

February 28, 2018
Form 1099-MISC Copy A Filing Deadline
If you work with independent contractors, this filing deadline applies to certain types of 1099s. If you are filing Form 1099-MISC and don’t have amounts in Box 7, February 28 is the deadline for paper filing. March 31 is the deadline for electronic filing.

March 15, 2018
S Corporation and Partnership Tax Returns Due

April 17, 2018
Estimated Quarterly Payments
Individual Tax Returns Due
Corporation Tax Returns Due

June 15, 2018
Estimated Quarterly Payments

September 17, 2018
Estimated Quarterly Payments

December 31, 2018
Tax Moves Deadline- any tax saving moves for the year need to be done by today.
Deadline to set Up a Solo 401 (k)

The filing dates listed above are relevant to your business’s federal tax return. If you plan to file for an extension of state taxes, you’ll need to do that separately.

Depending on the nature of your business, you may also need to meet other filing deadlines and requirements not listed in this post. Do your research and work with your tax preparer early on to ensure you’re well aware of your filing obligations throughout the year.