Home What’s new AAA highest credit rating for Systam again AAA highest credit rating for Systam again 17.05.2018 News Jaa: In 2018, Systam Oy will continue to be the AAA credit rating of the highest category in the Nordic Credit Rating Bisnode Oy rating model. The rating given indicates that we are a reliable and responsible company. The rating is seven-step and evaluates the company’s ability to cope with its normal business-related obligations. As a requirement for access to the highest credit rating are a positive background, significantly better financial indicators and payment behavior, and a sufficient volume of operations.