Specializing in tax and accounting

Accounting Consultants, Inc.
Tax ServicesClient Resources
Accounting Consultants Inc, Knoxville TN

Accounting Consultants, Inc.

We are a small Certified Public Accounting firm

Welcome! We are a small Certified Public Accounting firm located in Knoxville, Tennessee and have been dedicated to providing accounting and tax services for over thirty years. Our purpose is to keep small and medium sized companies, as well as individuals, on track with their accounting and tax requirements in a personal and professional manner. We offer our services year round and therefore are always available to answer your questions and provide these services in a timely fashion.

Important Information for the 2021 Tax Season

Tax Deadlines for 2021

January 18, 2022 – Fourth Estimated Tax Payment for 2021. 

January 31, 2022 – Form W2, Form 1099-NEC, and Form 1099-MISC are due to employees, independent contractors, the IRS, and the Social Security Administration.

March 1, 2022 – Knox County Tangible Personal Property Reports.

March 15, 2022 – Form 1065 and Form 1120S – General Partnerships, Limited Liability Partnerships, LLCs taxed as Partnerships, and S Corporations Federal Tax Return.

April 18, 2022 – Form 1120, Form 1040, and Form 1041 – C Corporations, Individuals, Estates and Trusts Federal Income Tax Returns.

April 18, 2022 – Tennessee Franchise & Excise Tax Return

April 18, 2022 – First Estimated Tax Payment for 2022 (Form 1040ES)

April 18, 2022 – Final IRA contributions for 2021

April 15, 2022 – Business Tax Returns with the Tennessee Department of Revenue for calendar year taxpayers. This return renews your Business License for another year.

June 15, 2022 – Second Estimated Tax Payment for 2022 (Form 1040ES).

September 15, 2022 – Third Estimated Tax Payment for 2022 (Form 1040ES).

September 15, 2022 – Final Deadline for General Partnerships, LLCs, LLP Partnerships, and S Corporations that filed extensions for Forms 1065 and 1120S.

October 17, 2022 – Final Deadline for Estates and Trusts that filed extensions for Form 1041.

October 17, 2022 – Final Deadline for C Corporations and Individual Federal Income Tax Returns that filed extensions for Form 1120 or Form 1040.

January 16, 2023 – Fourth Estimated Tax Payment for 2022 (Form 1040ES).


In January 2022, the IRS will issue Letters 6475 and 6419, which will provide taxpayers with information regarding payments received from the American Rescue Plan Act. This includes payments for the third economic stimulus and advance payments of the Child Tax Credit. Please include these with your 2021 tax return information, as these are needed to complete your return. 

Download our client organizer below to aid you in gathering your information to prepare your 2021 tax returns. For existing clients, if you prefer a more detailed client organizer with your 2021 tax information for reference in gathering your 2021 tax documents, please contact us.

All tax payments are due by the original tax deadlines. Any payments received after the original tax deadlines are subject to interest and penalties.