A credit bureau is an agency that collects and maintains credit information on individuals and provides it to lenders and creditors. The three main credit bureaus in the United States are Equifax, Experian, and TransUnion.

The main functions of a credit bureau include:

– Collecting credit and payment information – They gather data on an individual’s credit history including loan amounts, payment patterns, defaults, bankruptcies, judgments, etc. This data comes from lenders, collection agencies, and public records.

– Maintenance of credit reports – Credit bureaus use the collected information to compile comprehensive consumer credit reports. These reports summarize an individual’s current credit accounts and outstanding debts.

– Assigning credit scores – The data is used to calculate credit scores like a FICO score or VantageScore that reflect creditworthiness. Lenders use these scores to evaluate lending risk.

– Providing credit reports and scores – Credit bureaus distribute the compiled reports and scores to lenders when permitted for credit checks. Individuals can also access their own reports.

– Ensuring credit data accuracy – They are required to investigate and correct any disputed information in credit reports per consumer protection laws.

– Overseeing identity authentication – Services like fraud alerts and credit freezes help prevent identity theft and unauthorized access to consumer credit reports.

– Staying up-to-date on credit history – Credit bureaus allow lenders to review any changes in an individual’s credit report during the loan application process.