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Glossary

What is Form W-9?

Definition

Form W-9 is the IRS form a client uses to collect a freelancer's legal name, business name, address, and taxpayer identification number (SSN or EIN). Clients then use that information to issue a 1099-NEC at year-end for services paid over $600.

W-9 isn't filed with the IRS — it's a record the client keeps for their books. You give it directly to the client.

Why it matters

  • Every new client paying you $600+ will request one. Providing it proactively signals professionalism and accelerates onboarding.
  • Using an EIN instead of your SSN on W-9 limits identity exposure across clients.
  • A missing or late W-9 can delay your first payment at slow-AP enterprises.

Best practices for W-9

Pre-fill and save one
Fill out a W-9 once using your business name + EIN (or SSN if no EIN). Save it as a PDF. Send it on request or proactively with your first invoice.
Always use EIN if you have one
Keeps SSN off third-party records. Get an EIN free at irs.gov/ein if you don't have one.
Update if your business name or address changes
Re-issue W-9 to active clients when legal name or tax ID changes. Stale W-9s cause 1099 mismatches at year-end.

FAQ

Can I refuse to give a client my W-9?
Technically yes, but the client is then required to withhold 24% backup withholding from your payments. Providing the W-9 is almost always the right answer.
Do I need to update my W-9 every year?
No, only when information changes. Same W-9 stays valid with a client for multiple years if nothing on it changes.

Ready to send professional W-9s?

Hustlay stores your tax ID + legal name + business address with your profile and can export a pre-filled W-9 with one click.

Related terms

EIN1099-NECSchedule C
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