EN
This article was written in order to try to identify the business processes, in implementation, which companies are willing to work co-operatively. In addition, cooperative activities differed from horizontal cooperative (also known as coopetitive) activities whose essence is simultaneously competing and cooperating with competitors. In the part devoted to theoretical research, it is demonstrated that the principles guiding the approach to business management process reliability somehow entails the decision for cooperation. In the empirical part, results of studies are presented that have identified the ratio of entrepreneurs to cooperate in the implementation.