The Unique Entity Identifier (UEI) is one of the easiest steps in theory, but in practice, mismatched business details, outdated records, or verification issues often slow down the onboarding of new vendors. A UEI doesn’t guarantee contracts, but it determines whether agencies can even recognize your business in the federal system. Getting this step right saves weeks of frustration later. Have you encountered any issues while attempting to obtain or update your UEI?