Knowledge Base
EIN (Employer Identification Number)
What it is
A unique 9-digit number the IRS assigns to your business for tax purposes.
Real-world Analogy
“Like a Social Security number for your business — required to open bank accounts, hire employees, and file taxes.”
Why Marcus Uses This
You need an EIN before you can open a business bank account. Apply free on IRS.gov — takes 5 minutes online.