S-Corporation (1120S) and Partnership (1065) Business Tax Returns

Income Tax filing due date is March 15th

To ensure your tax return is filed by the March 15 due date, please send us your Profit & Loss as soon as possible but no later than February 16th.



If you need additional time, we are happy to file an extension. To calculate the extension payment for the IL corporate tax, we need to know your estimated Profit.
Please provide your estimated profit no later than March 6th.



Excel Template

If you need a template to organize your income and expenses, please click here to download our Excel template.




Bookkeeping Services

If you are looking for professional bookkeeping services and would like a quote, please schedule a meeting.