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why ISS-oekom

A proven track record

The fact that ISS-oekom has 20 years of experience in the field of sustainable investment and sustainability rating makes us a dependable partner for asset managers.


We are managerially and economically independent and can thus guarantee a high degree of credibility and objectivity for our research findings.

In-depth analyses

A mature evaluation methodology is an essential prerequisite for robust analysis results that stand up to scrutiny. ISS-oekom’s Corporate Ratings are based on a scientifically developed list of criteria and have acquired an outstanding reputation among experts in the field. Our analyses of the social and environmental performance of securities issuers set the standards for a dynamic market.

Robust results

Intensive dialogue with companies and with independent sources, such as environmental and consumer associations, human rights organisations and anti-corruption initiatives, forms an important part of our rating processes. Companies themselves are increasingly making use of the facility for keeping us actively supplied with information and facts about their sustainability management systems. 

High quality standard

The high quality of our sustainability analyses is underpinned by a comprehensive quality standard to which all ISS-oekom’s employees have to sign up. In March 2009, ISS-oekom became one of the first rating agencies to be certified against the European Voluntary Quality Standard ARISTA®.

High levels of client satisfaction

We survey our clients at regular intervals to find out how satisfied they are with our products and services. We view the high degree of client satisfaction expressed in these surveys as a validation of our approach and at the same time as an incentive to do even better. 

International network of experts

The work of our team of analysts is backed by an international network of social and environmental experts as well as by our Advisory Board.

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oekom Corporate Responsibility Review 2018


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oekom research to Join Institutional Shareholder Services


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