• Home
  • About Us
  • Bookkeeping
  • Payroll
  • Tax
  • Client Center
  • Resources
    • Where's My Refund?
    • IRS Account
    • Blank W-9
    • Blank W-4
    • SS-4 Application
    • Labor Law Posters
    • New Business Tips
    • Weekly Tax Tips
  • More
    • Home
    • About Us
    • Bookkeeping
    • Payroll
    • Tax
    • Client Center
    • Resources
      • Where's My Refund?
      • IRS Account
      • Blank W-9
      • Blank W-4
      • SS-4 Application
      • Labor Law Posters
      • New Business Tips
      • Weekly Tax Tips
  • Sign In

  • My Account
  • Signed in as:

  • filler@godaddy.com


  • My Account
  • Sign out

Signed in as:

filler@godaddy.com

  • Home
  • About Us
  • Bookkeeping
  • Payroll
  • Tax
  • Client Center
  • Resources
    • Where's My Refund?
    • IRS Account
    • Blank W-9
    • Blank W-4
    • SS-4 Application
    • Labor Law Posters
    • New Business Tips
    • Weekly Tax Tips

Account


  • My Account
  • Sign out


  • Sign In
  • My Account
Bookkeeping Plus, Inc.

Business Tax Returns

Form 1065, 1120, 1120-S, 990

Professional tax preparation for Partnerships, Multi-member LLC's, S-Corporations, C-Corporations, and Nonprofits. 

 Includes 

  • Preparation of required federal forms
  • Applicable state or informational returns
  • Required schedules and disclosures
  • Review and electronic filing

What You Will Need

  • Completed intake form
  • Prior-year tax return
  • Year-end financial statements or bookkeeping records
  • Payroll reports (if applicable)
  • Details on ownership changes, new assets, or loans
  • Copies of any IRS or state notices received


Having documents organized in advance helps us file faster and more accurately. Clients using our bookkeeping services are typically tax-ready earlier and experience a smoother filing process.

Deadlines by Return Type

1065 Partnership Returns

  • February 15th Deadline to Receive Documents/Information for 1065 Returns
  • February 20th Automatic Extension Date for 1065 Returns (Docs/Info not received) ***
  • March 15th Deadline to file 1065 Returns
  • August 15th No Guarantee of Completion for 1165 Extended Returns Rec’d After this Date
  • September 15th Deadline to file 1065 Extended Returns

1120S Returns

  • February 15h Deadline to Receive Documents/Information for 1120S Returns
  • February 20th Automatic Extension Date for 1120S (Docs/Info not received) ***
  • March 15th Deadline to file 1120S Returns
  • August 15th No Guarantee of Completion for 1120S Extended Returns Rec’d After this Date
  • September 15th Deadline to file 1120S Extended Returns

1120 (C Corp) Returns – Fiscal Year Ending December 31st

  • March 15th Deadline to Receive Documents/Information for 1120 Returns
  • March 31st Automatic Extension Date for 1120 Returns (Docs/Info not received) ***
  • April 15th Deadline to file 1120 Returns
  • August 31st No Guarantee of Completion for 1120 Extended Returns Rec’d After this Date
  • October 15th Deadline to file 1120 Extended Returns

1120 (C Corp) Returns – Fiscal Year Ending June 30th

  • September 15th Deadline to Receive Documents for 990 (non-profit with Fiscal Year ending June 30th)
  • November 15th Deadline to file 1120 Returns FYE 6/30
  • 990 Non-Profit Returns with Fiscal Year Ending December 31st
  • April 20th Deadline to Receive Documents for 990 Returns
  • May 1st Automatic Extension Date for 990 (Docs/Info not received) ***
  • May 15th Deadline to file 990 Returns
  • November 15th Deadline to file extended Returns

990 Non-Profit Returns with Fiscal Year Ending June 30th

  • September 15th Deadline to Receive Documents for 990 (non-profit with Fiscal Year ending June 30th)
  • October 15th Deadline to file 1120 Returns FYE 6/30

*If a date falls on a day when Bookkeeping Plus Inc is not open, the deadline will be the first business day after that date.


***Filing an extension moves the date for filing, not the payment date. Extended returns may be subject to penalty and interest.

Back to Tax Home

Copyright © 2025 Bookkeeping Plus, Inc. - All Rights Reserved.

Powered by

  • Make a Payment
  • Subscribe to Newsletter
  • Team Viewer
  • Careers
  • Contact