As the trend of Environmental, Social, and Governance (“ESG”) investing has risen, so too has the influence and relative importance of ESG rating agencies. With an increasing focus on social corporate responsibility, the ability to project a positive image around ESG-related topics is critical. As such, more companies have begun making select and unaudited disclosures in an effort to attract ESG-investing capital. The arbiters for obtaining this capital are the major ESG rating agencies.

However, individual agencies’ ESG ratings can vary dramatically. An individual company can carry vastly divergent ratings from different agencies simultaneously, due to differences in methodology, subjective interpretation, or an individual agency’s agenda. There are also inherent biases: from market cap size, to location, to industry or sector—all rooted in a lack of uniform disclosure.

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