In this survey by SustainAbility(An ERM Company) released in March 2020, the company finds that
“As investors mature in their approach to evaluating ESG performance, as companies are more proactive and transparent on ESG disclosure, and as new tools emerge, the nature and role of ESG ratings will continue to evolve. In this shifting environment, strong and open dialogue between companies, investors and ESG research firms is needed to help improve the flow of ESG data from companies to investors as well as the manner in which the data is used.”
The paper can be downloaded here.