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  • Writer's pictureGerry Murtagh

What is 'Double Materiality'

Updated: Feb 29

Double materiality is a concept in Environmental, Social, and Governance (ESG) reporting, which broadens the traditional scope of materiality assessments. This concept involves evaluating the impact of ESG factors not only on the organisation but also the impact of the organisation on the environment and society. Let's break it down:






  1. Financial Materiality: This is the traditional view of materiality, where the focus is on determining which ESG issues are materially significant to the financial performance and valuation of the company. It's about understanding how environmental, social, and governance factors can affect the company’s revenue, profits, or risk profile.

  2. Impact Materiality: This aspect of double materiality shifts the focus to how a company’s operations and practices impact the environment and society. This could include the company's carbon footprint, labor practices, community engagement, and the ethical implications of its governance structures.

The concept of double materiality, therefore, combines these two perspectives:

  • Inside-Out Perspective (Impact Materiality): This perspective assesses how a company's actions impact the outside world. It's about understanding and managing the company's footprint in terms of environmental and social impacts.

  • Outside-In Perspective (Financial Materiality): This looks at how external ESG issues can impact the company's financials. For example, how might climate change regulations affect a company’s operations and profitability?

Significance of Double Materiality:

  • Comprehensive ESG Strategy: By considering both financial and impact materiality, companies can develop a more holistic ESG strategy that not only mitigates risks but also leverages opportunities for positive social and environmental impact.

  • Stakeholder Expectations: It aligns the company’s strategy with the broader expectations of stakeholders, including investors, customers, and the community, who increasingly expect companies to be accountable for their societal and environmental impacts.

  • Regulatory Compliance: In some jurisdictions, such as the European Union, double materiality is becoming a regulatory requirement for sustainability reporting, making it essential for companies operating in or reporting to these regions.

  • Risk Management: Understanding both the impact on and of the business helps in better risk management and long-term sustainability of the company.

In summary, double materiality is a comprehensive approach to ESG that requires companies to evaluate and report both how ESG issues affect them and how they affect these issues. It's increasingly seen as a best practice in ESG reporting and strategy development.

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