The new due dates for the 2026 filing season for specific tax returns (including extensions) are listed below. These due dates are generally applicable for 2025 tax returns. Many states have conformed to these changes.
The following tax returns (For entities which have a year end of December 31) ...
The following deadline dates apply to Canadian returns which are required to be filed during 2026. To avoid penalties all returns must be postmarked by the due date specified:
Individuals
April 30, 2026
Deadline to file 2025 personal income tax returns to the CRA and Revenue Quebec.
Deadline f...
The Tax Return Data Collection Process:
Enter U.S. Tax Notebook here.(Note: This page is for entry of information for the preparation of U.S. returns only. For Canadian Returns, click here.)
The preparation of income tax returns is based on the following steps. Please note that all information...
Thx Mark and it’s great to be working with you and your team again this year. We really appreciate your knowledge and guidance as we navigate the Canadian and US tax system over the last couple years. You and your team are our go trusted accountants and we appreciate all that you do.
EH, St Petersburg, FL, 3/6/2026
I'm relieved that my taxes for this year are done. I appreciate you doing my returns very expeditiously.
FA, Stratford, ON, 3/6/2026
I do want to make sure to say I've had an extremely positive experience. International taxes are extremely complicated, especially given my unstructured investment portfolio, and I would not know where to begin. The help (especially with my mother's final taxes) has been greatly appreciated.
JJ, Orleans, ON, 3/6/2026
Thank you for being so clear! Again, thank you for your patience :)
AN, Buffalo, NY, 3/5/2026
Again, thank you so much for your diligence on all of this, really appreciated!!!!
MH, Montreal, QC, 2/28/2026
Thx Mark and it’s great to be working with you and your team again this year. We really appreciate your knowledge and guidance as we navigate the Canadian and US tax system over the last couple years. You and your team are our go trusted accountants and we appreciate all that you do.
EH, St Petersburg, FL, 3/6/2026
I'm relieved that my taxes for this year are done. I appreciate you doing my returns very expeditiously.
FA, Stratford, ON, 3/6/2026
I do want to make sure to say I've had an extremely positive experience. International taxes are extremely complicated, especially given my unstructured investment portfolio, and I would not know where to begin. The help (especially with my mother's final taxes) has been greatly appreciated.
JJ, Orleans, ON, 3/6/2026
Thank you for being so clear! Again, thank you for your patience :)
AN, Buffalo, NY, 3/5/2026
Again, thank you so much for your diligence on all of this, really appreciated!!!!
MH, Montreal, QC, 2/28/2026
Thx Mark and it’s great to be working with you and your team again this year. We really appreciate your knowledge and guidance as we navigate the Canadian and US tax system over the last couple years. You and your team are our go trusted accountants and we appreciate all that you do.
EH, St Petersburg, FL, 3/6/2026
I'm relieved that my taxes for this year are done. I appreciate you doing my returns very expeditiously.