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Independent Research

BC ESG

Practitioner comparisons of ESG rating providers grounded in academic literature.

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About

BC ESG publishes practitioner-oriented comparisons of major ESG rating providers, drawing on peer-reviewed research including Berg, Kölbel & Rigobon.

What they provide

  • Provider methodology comparisons (MSCI, Sustainalytics, ISS, CDP, EcoVadis)
  • Practitioner-facing rating explainers

Institutional use cases

  • Onboarding new analysts to rating methodology differences
  • Reference material for internal ESG training

Referenced in

ESG Ratings

Why ESG Scores Diverge: Understanding the Gap Between MSCI and Sustainalytics