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US Self-Employment Tax Deductions for Freelancers 2026: Schedule C, Schedule 1-A, and the Full Federal Write-Off Stack

By Sam Rivera8 min
USA
Taxes
Deductions
Self-Employment
2026
US Self-Employment Tax Deductions for Freelancers 2026: Schedule C, Schedule 1-A, and the Full Federal Write-Off Stack
Sources & References
  1. Schedule SE — Self-Employment TaxInternal Revenue Service (IRS). Retrieved from
  2. Publication 334 — Tax Guide for Small BusinessInternal Revenue Service (IRS). Retrieved from
  3. Publication 535 — Business ExpensesInternal Revenue Service (IRS). Retrieved from

Information based on publicly available official documents. Tax rates and platform fees may change; verify with the linked sources before acting.

About the author

Sam Rivera

Sam Rivera

Founder, GigProfit · Software engineer & freelance tax researcher

Sam Rivera has spent 8+ years working across freelance markets in North America, Europe, and Asia — both as a practitioner and as a builder of tools for independent professionals. The tax engine behind GigProfit was built by cross-referencing official government publications and updated as regulations change.

·8+ years freelancing across US, EU, TR, and APAC clients
·Tax engine reviewed against official IRS, HMRC, GİB, and GST Council documentation
·Open-source contributor at github.com/SkrenLabs