The Federal Employer Identification Number (FEIN) is a nine-digit unique identifier issued by the Internal Revenue Service (IRS). It serves as a tax ID for businesses, non-profit organizations, estates, trusts, and other entities operating in the United States.
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All companies who have hired an employee should apply for an FEIN with the IRS—this includes people hiring themselves and paying themselves wages.
If you plan to hire at least one employee in the future, we recommend applying for a FEIN as soon as possible—this helps avoid delays and errors down the road. Before you'll be able to pay your first employee in Gusto, you'll need to do all the following:
There is no risk or harm in registering for a FEIN before hiring your first employee—if you think it's time to hire a payroll company, it's probably a good indication you should register.
If a filing has failed, or your payroll is blocked in Gusto, we'll let you know why on your Home page, or by email. If the information below doesn't help solve the problem, try our payroll blocked troubleshooting tips article.
Typically, if we've received a FEIN mismatch error, it's because the FEIN listed in Gusto (and used on our filings) does not match what an agency has on file. We see this happen most commonly in the below scenarios: