IRS Form SS-4 is used to obtain an Employer Identification Number (EIN) for your business or other entity such as a trust or estate. The SS-4 form requires detailed information about the business, ...

A federal employer identification number (EIN), also sometimes referred to as a tax identification number, is a nine-digit code that businesses use to identify themselves for tax reporting, banking, ...

Companies, like people, are usually known by their names, but people and companies both have other types of identification, often issued by government agencies in the form of identification numbers.