BIZ-Consultant sàrl seeks for cooperating with interested medium size industries in mainly Eastern countries in developing best practices analytic tools for optimising energy efficiency in complex energy systems. BIZ-Consultant sàrl has already developed a set of powerful tools that were successfully applied in the Ukraine and is looking forward for extending and completing the toolset by using state of the art software programs respectively developing additional new softwares. This offer is actually limited to 3 companies. The selected companies will benefit from free consulting during the project by compensating BIZ-Consultant sàrl with travel, hotel and local expenses. The results of the studies and tools developed during the project will be made available at no extra costs to the project company.