As the year winds down, it’s time to finalize payroll and HR tasks and prepare for a smooth start to the new year. This page provides essential resources, deadlines, and tools to help you wrap up the year.
We encourage you to check back regularly, as additional year-end resources will be added as they become available.
If you use the Insperity® HR360 solution (formerly WO) for your employees, you will have information and year-end responsibilities specific to the co-employment relationship. Please reach out to your Insperity Specialist for guidance.
Don’t know where to start?
Check out our year-end video and checklist to help you keep your tasks organized.
Year-end reporting
Viewing year-end audit reports
Viewing year-end reports using Year End Report Archive
To view the videos, you’ll need access to isolved Learn & Grow (formerly University). If you don’t already have access, please refer to this article for instructions on how to register.
W-2 and 1099
Payroll processing
2025 payroll processing deadlines
Where can I see my upcoming payroll schedule?
Year-end payrolls and adjustments
ACA
To view the videos, you’ll need access to isolved Learn & Grow (formerly University). If you don’t already have access, please refer to this article for instructions on how to register.
Other important information
2026 Federal filing deadlines calendar
Federal Reserve and Insperity holiday schedule
Tax rate change notifications: IRS and state notifications for 2026