For 1099 contractors & freelancers
Yes, advertising and marketing costs for your business are fully deductible.
Schedule C, line 8 (Advertising).
Online ads (Google, Meta, LinkedIn), sponsored posts, business cards, flyers, promotional items, and paid directory listings all count.
Website hosting and domains can go here or under office expense. Pick one and stay consistent.
Invoices and ad platform receipts.
In Smart Deductions, this is suggested as Advertising (Schedule C line 8). You confirm it before it counts.
Sources
General information, not tax advice. For your specific situation, check with a CPA or Enrolled Agent.