After starting an LLC, you’ll likely need a federal tax ID from the IRS. This Federal Employer Identification Number (known as a FEIN or EIN) is much like a social security number for your LLC. Every LLC that will pay taxes or hire employees needs an EIN. Apply for an EIN with the IRS by filing Form SS-4. Applying online on the IRS website typically takes just a few minutes.

Everything you need to know about getting an EIN