For company to do business successfully, it needs to have certain strategy that is planned in advance, in other words the way of achieving goal. Strategy and strategic managing leads every organisation to function of strategically managerial accounting. As it can be seen from the mere title, these three disciplines are the biggest factors for achieving business accomplishments at the end of accounting period. These three terms must be unified in order to allow the growth of the company's business, and even if just single one of these after mentioned processes does not achieve their specific goal the consequences could be catastrophic for whole business. All three of managing processes are very important for selecting strategy when managing suppliers. The most important subject's of strategical managing of every organisation, and also of Tommy d.o.o., are optimization of expenses,establishment of communication and mutual trust with suppliers and reduction of unnecessary supplies. Managing the relationship with suppliers is important organisational processes because for success and certain goal achievements, realtionship with suppliers needs to be better or same as the one with consumer.