Rating scores have acquired the status of one of the key informative tools in the financial sector. At the same time it is impossible to confirm the reliability of each score. It is the opinion of a rating agency with respect to a certain aspect of one company’s or one bank’s activity, such as, for example, subjects of evaluation of a business solvency. Goodwill is a natural control. But is that enough? And how can one compare the assessments of different agencies?This article presents methods that answer these and related questions of regulators, issuers and investors. The emphasis is on the remote approach that has passed through a specific practical approbation.