An Employer Identification Number (EIN), also known as a Federal Tax Identification Number, is a unique nine-digit number assigned by the Internal Revenue Service (IRS) to business entities operating in the United States. Think of it as a Social Security number for your business. You'll need an EIN for various critical business functions, including opening a business bank account, filing business tax returns, hiring employees, and applying for certain business licenses and permits. Understanding how to obtain one is a fundamental step in establishing your business legally and operationally. While many business owners might feel intimidated by the process, applying for an EIN is surprisingly straightforward, especially when you know the steps involved. The IRS offers a free online application, making it accessible to most entrepreneurs. This guide will walk you through the entire process, from determining if you need an EIN to completing the application and what to do after you receive it. Whether you're forming an LLC in Delaware, a C-Corp in California, or an S-Corp in Texas, an EIN is often a necessary component for your business's success.
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