Consulting, expert opinions, economic studies for investments in biogas plant projects. Development of documentation for a building permit Development of a biogas plant concept Development of a business plan - feasibility study Development of a complete documentation for land use management (DUR) Development of a complete documentation for a building permit (DSP) Development of an energy audit Development of a dispersion study Development of a research study Development of subsidy applications from subsidy programs Assurance geological survey. Further design work in the field of civil engineering. Turnkey construction of BPS.