What Makes an ESG Issue “Material”? Understanding the Assessment Process

Over the past few weeks, I have been exploring ESG materiality assessments to better understand how organizations can approach sustainability risk and opportunity. One insight consistently stands out: organizations cannot effectively pursue sustainability without first determining which issues truly matter.

An ESG materiality assessment is therefore the structured process through which organizations identify, evaluate, and prioritize sustainability issues that are most consequential to their performance, stakeholders, and long-term resilience. This process helps to move beyond broad ambitions to focus on issues that meaningfully affect both their enterprise value and societal impact.

Beyond guiding internal strategy, materiality assessments also strengthen stakeholder trust and transparency. And when conducted rigorously, it demonstrates that an organization is deliberately identifying and addressing the issues most relevant to its operations and value chain.

Why ESG Materiality Assessments Matter

For organizations seeking to strengthen sustainability performance, a materiality assessment provides clarity on three critical fronts:

1. Risk Mitigation: identify and anticipate risks that could affect operational stability, regulatory exposure, or reputational standing such as climate volatility or labor shifts.
2. Opportunity Identification: recognize opportunities for operational efficiency, innovation, or positive social and environmental impact, such as transitioning to cleaner energy sources, improving supply-chain governance, or enhancing workforce wellbeing.
3. Strategic Alignment: iensure that ESG considerations influence governance, resource allocation, and long-term planning.

The Assessment Roadmap

A.    Identifying Stakeholders and ESG Topics

At this stage, the assessment begins to move beyond internal assumptions.  

The objective is twofold: to identify the key stakeholders connected to the organization and to determine the ESG topics that may be most relevant to them and to the business.

This helps to better understand how different groups interact with the organization’s activities and where they experience the most significant impacts.

Stakeholder identification helps organizations understand who is affected by their operations and who can influence their sustainability performance. These stakeholders typically include both internal and external groups:

Internal Stakeholders: Employees, executive leadership, and board members. (Note: Board members provide governance oversight, whereas shareholders focus on ownership interests; their perspectives may differ.)

External Stakeholders: Suppliers, regulators, customers, industry partners, host communities, and civil society organizations.

Alongside stakeholder mapping, organizations begin compiling a long list of potential ESG topics that could be material. These topics are typically identified through sustainability standards, regulatory expectations, peer benchmarking, and internal risk assessments. They may include issues such as climate change, supply-chain practices, ecosystem protection, air pollution and emissions, occupational health and safety, data privacy, tax transparency, risk management and internal controls, and whistleblower protection, among others.

What becomes clear during this process is that stakeholders often highlight risks or concerns that may not be immediately visible within the organization. For example, suppliers may raise concerns about sourcing practices, communities may emphasize environmental impacts, while regulators may signal emerging compliance expectations.

B.    Gathering Stakeholder Input

This is critical as it allows organizations to gather insights into how different stakeholder groups evaluate the importance and urgency of specific ESG issues. This may involve:

1. Structured surveys and digital questionnaires.
2. One-on-one interviews or focus groups.
3. Workshops with industry experts.

The objective is to understand how sustainability issues affect stakeholder expectations and trust. It also helps to uncover "blind spots" or emerging risks that may not yet be fully visible internally.

 C.    Assessing Business Impact

After gathering stakeholder input, analyzing the potential impact of each ESG issue on their operations and strategic objectives follows. This analysis typically examines how an issue may influence areas such as operational costs, regulatory compliance, supply-chain stability, reputational exposure, or long-term market competitiveness.

For example, an organization considering a transition toward renewable energy must evaluate not only the environmental benefits but also the financial investments, operational adjustments, and potential cost efficiencies associated with such a shift. It calls for a careful evaluation of how ESG topics intersect with risk management, financial planning, and operational strategy.

 At this stage, it becomes important to distinguish between relevance and materiality through a "Double Materiality" lens:

1. Impact Materiality (Inside-Out): Does the company have a significant effect on people or the planet?
2. Financial Materiality (Outside-In): Does the issue affect the company’s financial health, cash flows, or access to finance?

 It is also critical to note that while sustainability issues are relevant to an organization’s sector, an issue becomes material when it meets the threshold of impact materiality or financial materiality. To move an issue from "relevant" to "material," it must pass a threshold test that bridges business impact with societal impact:

1. Severity (Impact Materiality): Assessment of the Scale (gravity), Scope (widespread nature), and Irremediability (can it be fixed?) of the business impact on the world.
2. Likelihood (Financial Materiality): Assessment of the probability of the issue affecting the business bottom line over the short, medium, or long term.

This is why it is often said that all material issues are relevant, but not all relevant issues are material. The purpose of a materiality assessment is therefore not to dismiss certain sustainability concerns, but to identify which issues require the highest level of strategic attention and resource commitment.

 D.    Prioritizing the Materiality Matrix

Once stakeholder perspectives and business impacts have been examined, the next task is to bring those insights together in a way that allows the organization to prioritize clearly and transparently. This is where the materiality matrix becomes a useful analytical tool. It helps visualize how issues rank when viewed from two perspectives:

1. their importance to stakeholders (vertical axis).
2. their potential significance to the organization’s operations and strategy (horizontal axis).

When accurately mapped, patterns that help decision-makers see these dynamics side by side begin to emerge.

1. Some issues may be strongly emphasized by stakeholders but have limited operational impact in the short term.
2. Others may pose substantial strategic or financial risks even if they receive less public attention.
3. Issues that appear in the upper range of both dimensions are typically considered material priorities. These are the areas where organizations are most likely to focus their resources, develop management strategies, and strengthen disclosure practices.

E.    Aligning Material Issues with Strategy and Reporting

Once material ESG issues are identified, there is a need to determine how these insights can inform both internal strategy and external disclosure. This is vital for strategic decision-making, as it helps shape investment priorities, operational improvements, risk mitigation efforts, and governance oversight.

Integrating these issues into core business planning supports long-term value creation.

In communicating these priorities externally, organizations often align their disclosures with recognized reporting frameworks.

As a result, the selection of frameworks is typically dependent on industry context, stakeholder expectations, regulatory obligations, and internal capacity. 

Most organizations adopt a hybrid approach, leveraging multiple frameworks to ensure that both impact-driven and financially material issues are communicated effectively. Examples are:

       i.          The Global Reporting Initiative (GRI) provides comprehensive guidance for reporting an organization’s impacts on the economy, environment, and society.

     ii.          The Sustainability Accounting Standards Board (SASB) focuses on financially material ESG issues that are most relevant to investors and industry performance.

   iii.          European Sustainability Reporting Standards (ESRS) which has emerged as a benchmark framework supporting mandatory double materiality disclosure under the Corporate Sustainability Reporting Directive (CSRD).

The ESG Materiality Assessment Process at a Glance

Challenges and Considerations

In our journey toward a more sustainable future, several tools and processes continue to shape how organizations think about responsibility and long-term value. One of these is the ESG materiality assessment, an important step that helps organizations identify the issues that genuinely matter to their operations, stakeholders, and long-term sustainability.

Conducting an ESG materiality assessment is rarely as straightforward in practice as it appears in theory. While many frameworks present the process as structured and sequential, organizations often encounter practical challenges when translating these concepts into real-world implementation. A few are:

1. Ensuring that stakeholder input truly reflects diverse perspectives across the value chain which can be complex, particularly when different groups have varying expectations and priorities.
2.  Balancing competing ESG priorities while maintaining a clear strategic focus for the organization.
3. Data availability and reliability also remain important considerations. Without credible ESG data, it becomes difficult to properly evaluate risks, understand impacts, or track progress over time.

Addressing these challenges often requires strong cross-functional coordination, improved internal data systems, and, in many cases, support from experienced sustainability experts to ensure that the assessment process remains credible, actionable, and responsive to diverse stakeholder perspectives.

 To wrap

ESG materiality assessments have become an important tool for bringing clarity and focus to sustainability efforts. The process helps organizations identify the topics that truly matter both in terms of their impact on society and the environment, and their implications for business performance and long-term resilience. When conducted thoughtfully, it becomes a strategic process that informs decision-making, guides resource allocation, strengthens risk management, and supports more transparent communication with stakeholders.

Till your next read... keep Exploring, Empowering and Advancing Sustainability in Action

Sustainably yours,

Falilat Olalekan