Staying on top of tax deadlines is vital for success in 2025. Missing these important dates can result in penalties and unnecessary stress. This comprehensive calendar outlines the major tax filing deadlines you’ll need to know for the upcoming year.
From 1099 reporting in January to year-end estimated tax payments in December, we’ve mapped out significant deadlines to help you plan ahead. Each date is sourced directly from the IRS and major tax authorities to ensure accuracy. For added convenience, we’ve also included extended deadlines for those who may need additional time to file their returns.
Note: Always consult with your tax professional regarding your specific filing requirements and obligations. This article is neither legal advice nor tax advice. We recommend that you speak to your tax advisor with any questions or concerns around tax reporting.
2025 Business & Vendor Tax Calendar
| Date | Deadline Description |
| 1/31/2025 | Form 1099-MISC and 1099-NEC due to recipients and IRS |
| 1/31/2025 | Form 940 due (FUTA tax return for 2024) |
| 1/31/2025 | Form 944 due (annual return for small employers) |
| 1/31/2025 | Form 945 due (annual return for nonpayroll withholding) |
| 2/10/2025 | Extended deadline for Forms 940, 941, 943, 944, and 945 if all taxes were deposited on time |
| 2/18/2025 | Deadline for Form 1099-MISC if only reporting payments in Box 8 or 10 |
| 2/28/2025 | Paper filing deadline for Form 1099-MISC with IRS |
| 3/17/2025 | Form 1042 due |
| 3/17/2025 | S Corporation tax return due (Form 1120-S) |
| 3/17/2025 | Partnership tax return due (Form 1065) |
| 3/31/2025 | Electronic filing deadline for Form 1099-MISC with IRS |
| 4/15/2025 | C Corporation tax return due (Form 1120) for calendar year corporations |
| 4/15/2025 | First quarter estimated tax payment due (individuals and corporations) |
| 5/12/2025 | Extended deadline for Form 941 if all taxes were deposited on time |
| 6/16/2025 | Second quarter estimated tax payment due (individuals and corporations) |
| 8/12/2025 | Extended deadline for Form 941 if all taxes were deposited on time |
| 9/15/2025 | Third quarter estimated tax payment due (individuals and corporations) |
| 9/15/2025 | Extended deadline for S Corporation tax returns |
| 9/15/2025 | Extended deadline for Partnership tax returns |
| 10/15/2025 | Extended deadline for Individual tax returns |
| 10/15/2025 | Extended deadline for C Corporation tax returns |
| 11/12/2025 | Extended deadline for Form 941 if all taxes were deposited on time |
| 12/15/2025 | Fourth quarter estimated tax payment due (corporations only) |
How Routable’s 1099/1042 filing automation works
Tired of manually collecting and filing 1099s, 1042s, and other tax forms? Here’s how you can automate the process with Routable.
- Vendor onboarding: Tax forms (W8/W9s) and information are collected automatically and stored securely during initial setup, eliminating manual data entry.
- Compliance verification: The system automatically verifies TIN numbers and checks vendor information against global watchlists.
- Data collection and review: Easily see which vendors are missing tax forms, request the forms in bulk, and cross-reference payment records with your ERP system.
- Smart filtering: Choose which data to export with filters for multiple 1099 and 1042 document types.
- Export and filing: Generate e-filing compatible reports with just a few clicks, ready for submission through services like Tax1099 and Track1099.
Note: While automation significantly improves the tax filing process, always consult with your tax professional regarding your specific filing requirements and obligations. This article is neither legal advice nor tax advice. We recommend that you speak to your tax advisor with any questions or concerns around tax reporting.
