The Kreller Group assists clients in reducing costs associated with consumer credit information systems. They work on a contingency basis, charging a percentage of savings realized after implementing their recommendations. On average, clients see a 20-40% reduction in credit reporting expenses. The Kreller Group's process involves analyzing current expenditures, presenting savings opportunities, conducting interviews, tracking savings monthly, and invoicing based on the savings achieved. They have helped over 5,000 clients realize over $250 million in total savings.