TransUnion is one of the major credit reporting agencies in the United States. It collects and analyzes information about consumers' credit histories, helping lenders make informed decisions when granting loans or credit. By providing credit reports and scores, TransUnion plays a crucial role in the financial system, allowing individuals to understand their creditworthiness. In addition to credit reporting, TransUnion offers various services to help businesses manage risk and prevent fraud. They provide tools for identity verification and credit monitoring, ensuring that both consumers and companies can protect themselves from potential financial threats. Overall, TransUnion is essential for maintaining a healthy credit environment.