It is about the challenges and opportunities of cooperatives. For this purpose, the definition of co-operatives, ie definitions of cooperatives, is presented in accordance with the Cooperative Law. There are also important facts or specifics related to cooperative members, so that a member of the co-operative should be directly involved in the work of the co-operative, use its services, etc. There are also seven cooperative principles: voluntary and open membership, business supervision by members, participation of co-operative members and distribution, independence and independence, education / training / information of cooperative members, and co-operation among members and concern for the community. In support of the influence of the cooperative on the economy, the 2018 Public Call in the framework of the "Development of the Co-operative Entrepreneurship" Program. Special emphasis was placed on the analysis of cooperative entrepreneurship in the Republic of Croatia, as well as in identifying the challenges and opportunities of cooperative entrepreneurship. Some examples of cooperative entrepreneurship in the Republic of Croatia are also presented.