From Disclosure to Value: The Complex Role of ESG in Valuation

Published on: July 30, 2025•Updated: November 2025•3 min read

by KnowESG

ESG reporting is mostly voluntary, but pressure on public companies to share ESG practices with investors is rising.

In today’s financial landscape, environmental, social, and governance (ESG) considerations are becoming increasingly relevant in corporate disclosure and business valuation. While ESG reporting is still largely voluntary, the pressure on companies, especially publicly traded ones, to communicate their ESG practices to investors and stakeholders is growing rapidly.

Traditionally, ESG reporting has focused on whether a company is acting as a responsible corporate citizen. However, when it comes to valuation, the focus shifts to a different question: how do ESG factors impact cash flows, risk profiles, and ultimately, the value of a business?

Currently, most ESG disclosures fall outside the scope of formal audits. They are often shared voluntarily or when required under specific regulations, such as litigation-related environmental reporting. This leaves valuation professionals in a challenging position, tasked with considering ESG factors without clear, standardized guidance on how to quantify their impact.

Evolving Role of ESG in Valuation

Professional organizations are gradually responding to this gap. The American Society of Appraisers (ASA) acknowledges the growing importance of ESG in valuation and offers webinars and conference sessions to educate valuers. For instance, discussions at the 2024 ASA New York Fair Value Conference highlighted how emerging U.S. regulatory developments, including SEC and California climate disclosure requirements, may influence valuation practices.

Globally, the International Valuation Standards Council (IVSC) has taken a more formal step. Effective January 31, 2025, ESG factors will be integrated into the International Valuation Standards (IVS), particularly through an ESG appendix in IVS 104: Data and Inputs. This framework advises valuers to assess how ESG considerations affect risk, cash flows, and market perception while applying professional judgment to balance qualitative and quantitative inputs. It also aligns with global initiatives such as the EU Taxonomy and IFRS Sustainability Disclosure Standards.

The Double-Counting Dilemma

Despite these advances, ESG integration into valuation is not without risk. Analysts using an income approach may already rely on management-prepared cash-flow forecasts. If they then adjust discount or capitalization rates to reflect ESG-related risks, they could unintentionally double-count these risks, resulting in overly conservative valuations. This highlights the delicate balance between recognizing ESG factors and maintaining valuation reliability.

Adding to the complexity, academic research such as the Harvard Law School Forum’s study “Climate Boards: Do Natural Disaster Experiences Make Directors More Prosocial?” suggests that ESG-related experiences among board members do not necessarily improve or hurt firm financial performance. This underlines the difficulty of drawing direct, measurable links between ESG initiatives and valuation outcomes.

Also Read: Understanding ESG Data and How to Use It

A Cautious Path Forward

For now, ESG remains an evolving component of valuation. Professional judgment, transparent documentation, and awareness of regulatory developments will guide valuers in this emerging field. As global standards mature and reporting becomes more structured, ESG’s role in shaping business value is likely to become clearer, but until then, it remains a challenging and nuanced frontier for the valuation profession.

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Source: BVWire News