The Prime Status is awarded to those companies which according to the oekom Corporate Rating are among the leaders in environmental and social performance in their industry and which meet industry-specific minimum requirements.

oekom research has 20 years of experience in the field of sustainable investment and sustainability rating. The assessment of the social and environmental performance of a company as part of the Corporate Rating is carried out with the aid of over 100 social and environmental criteria, selected specifically for each industry, evaluating regularly around 3,700 companies.  Furthermore, oekom research carries out a comprehensive negative screening in a great number of controversial business fields and practices for each company.

Currently around 550 companies hold oekom research’s Prime status.