The state in its budget does not have sufficient funds for the improvement of public goods and services as well as her need additional funds. The growing public needs and more expensive infrastructure projects have led to public authorities involve the private sector in development for Infrastructure in order to achieve the reduction of public expenditure and increase service quality. Public-private partnership (PPP) involves the cooperation of public authorities with the private sector, either at the central or the local community, in order to meet a public need. The basic characteristic of the PPP to the public and private stakeholders of the project work together and share the risk in order to achieve common interests. The aim of the cooperation is that the resources and expertise of the private sector, make available the public sector and to thereby realize the contribution of the private sector infrastructure and service offer of the public sector. Models of provision of services of general interest are: civil service, the model of public service, intra-state agreements, contracts, franchises (exclusive and multiple), grants, vouchers, free markets, volunteer services and independent personal services. The RH apply different models of providing services of general interest. Cooperation between public and private sector varies from model to model, from those in which the public sector operates independently in the provision of public services, gradually increasing the involvement of the private sector through privatization. More extensive use of public-private partnerships in infrastructure projects to revive the benefit of private and public sector, and the entire economy of Croatia.