The project purpose was to offer technical expertise in the process of accreditation of independent entities regarding the functions of validations and verification of emission reductions that result from CDM projects. The accreditation process involves desk review on site assessment of designated operational entities, and the performance assessment of these while carrying out the function of validation and accreditation. For this project, we analysed the documentation of quality procedures and we checked the qualitfication with the CDM Accreditation Standard, with special attention to GHG competences in each sector and technical area, the knowledge regarding technologies used, methodologies to determine baseline and the monitoring of GHG emissions reduction, field visit and the verification and implementation of procedures in a concret project.