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W9 vs 1099: What's the Difference and When You Need Each

Published on April 29, 2025
Cover image of post "W9 vs 1099: How to Know Which Form You Need (2025 Guide)"



Full W9 vs 1099 Guide


Confused about when to use a W9 or a 1099 form? You're not alone. Whether you're hiring contractors or managing your freelance work, understanding these forms is crucial for staying compliant and avoiding penalties.


Comparison Chart






























FeatureW91099
PurposeCollects taxpayer informationReports payments to IRS
Completed ByContractor/freelancerBusiness paying the contractor
Used ForRequesting TIN/SSN and certificationReporting income payments
Filed With IRS?NoYes

When to Use Each Form




  • Use a W9when you need to collect information (like TIN or SSN) from someone you plan to pay.




  • Use a 1099when you have paid someone $600 or more and need to report that payment to the IRS.




Who Sends Each Form




  • Businesses send W9 requests to contractors.




  • Businesses send 1099 forms to contractors and to the IRS.




Common Mistakes to Avoid




  • Not requesting a W9 before making a payment.




  • Filing a 1099 without a complete W9 on file.




  • Missing deadlines for issuing 1099s (January 31).




Real-World Examples




  • A marketing agency hires a freelance designer: Collect a W9 first, issue a 1099 if total payments exceed $600.




  • A startup pays a consultant $5,000: Same process—W9 first, then 1099.




Need help managing W9s, 1099s, and other tax forms? Find a trusted accountant onSam's Listtoday.



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