Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Michael Rosenston is a fact-checker and researcher with expertise in business, finance, and ...

Learn how a DUNS number, created by Dun & Bradstreet, provides unique business identification and is essential for U.S.

Like any individual, a business needs an identifier to separate it from every other company. Most small business owners get a separate tax identification number (TIN) in order to conduct business, ...

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.

Each taxpayer in the U.S. needs to have a unique nine-digit number that can identify them to the IRS. Many Americans use their Social Security number, or SSN, to confirm their identity on tax returns ...

Janet Berry-Johnson, CPA, is a freelance writer with a background in accounting and income tax planning and preparation for individuals and small businesses. Her work has appeared in Business Insider ...