Wondering why does an LLC need an EIN? Find out why this is part of the business formation process, when your LLC must get one, and how to apply for an EIN. In this infographic, you will find our FAQs on EINs to understand if you require an EIN for your LLC. Answer Yes require EIN or No require EIN. And two options on how to apply for an EIN, through Incfile or through IRS.