Materiality Assessment for ESG: Step-by-Step Guide for Unlisted Companies

Environmental, Social, and Governance (ESG) reporting is no longer limited to large listed corporations. Today, investors, lenders, customers, regulators, and global supply chains increasingly expect unlisted companies to understand and disclose their ESG risks and opportunities.

For many businesses, the first and most important step in ESG implementation is conducting a Materiality Assessment.

A materiality assessment helps companies identify which ESG topics matter the most to the business and its stakeholders. Instead of trying to focus on every ESG issue, companies can prioritize areas that have the highest impact on operations, reputation, compliance, growth, and stakeholder trust.

For unlisted companies, especially MSMEs, startups, manufacturing units, family-owned businesses, and growing enterprises, a well-structured materiality assessment creates clarity and direction for ESG strategy.

This guide explains the process step-by-step.

What is a Materiality Assessment in ESG?

A materiality assessment is the process of identifying and prioritizing ESG issues that are significant to:

The business
Stakeholders
Financial performance
Long-term sustainability
Risk management
Regulatory expectations

In simple terms, it answers two important questions:

Which ESG issues can significantly impact the company?
Which ESG issues matter most to stakeholders?

The result is usually presented in the form of a Materiality Matrix, helping management focus on high-priority ESG topics.

Why Materiality Assessment Matters for Unlisted Companies

Many unlisted companies assume ESG applies only to listed entities. However, market expectations are changing rapidly.

Today, ESG expectations affect unlisted businesses through:

Investor due diligence
Bank financing requirements
Supply chain compliance
Export regulations
Customer expectations
ESG-linked procurement
Talent attraction and retention
Reputation management

A proper materiality assessment helps businesses:

Identify ESG risks early
Improve governance practices
Build stakeholder confidence
Prepare for future regulations
Strengthen sustainability reporting
Improve access to capital

For companies planning expansion, fundraising, acquisitions, or international business partnerships, ESG readiness is becoming increasingly important.

Step-by-Step Guide to ESG Materiality Assessment

Step 1: Understand Business Operations

The process begins with understanding the company’s operations, industry, and business model.

This includes:

Nature of products/services
Manufacturing processes
Supply chain structure
Employee practices
Energy usage
Waste management
Regulatory environment
Governance framework

For example, ESG priorities for a software company will differ significantly from those of a manufacturing business.

At this stage, companies should also review:

Existing policies
Compliance records
Sustainability initiatives
Operational risks
Industry ESG benchmarks

Step 2: Identify Relevant ESG Topics

Next, identify potential ESG issues relevant to the business.

Common ESG topics include:

Environmental Topics

Carbon emissions
Energy efficiency
Water usage
Waste management
Pollution control
Renewable energy adoption
Climate risk

Social Topics

Employee welfare
Workplace safety
Diversity and inclusion
Labour practices
Community impact
Human rights
Customer privacy

Governance Topics

Board oversight
Ethics and compliance
Anti-corruption practices
Risk management
Data security
Transparency
Internal controls

Companies can use frameworks such as:

GRI Standards
SASB
IFRS Sustainability Standards
BRSR principles
Industry-specific ESG benchmarks

The goal is to create a broad list of possible ESG issues before prioritization.

Step 3: Identify Stakeholders

Stakeholders are individuals or groups affected by the company’s operations.

For unlisted companies, key stakeholders may include:

Investors
Promoters
Employees
Customers
Vendors
Banks and lenders
Regulators
Local communities
Business partners

Each stakeholder group may prioritize different ESG concerns.

For example:

Investors may focus on governance and risk management.
Employees may prioritize workplace culture and safety.
Customers may focus on sustainability and ethical sourcing.

Understanding stakeholder expectations is critical for an accurate materiality assessment.

Step 4: Conduct Stakeholder Engagement

Once stakeholders are identified, companies should gather their inputs.

This can be done through:

Surveys
Interviews
Questionnaires
Workshops
Feedback sessions
Management discussions

The objective is to understand:

Which ESG issues stakeholders consider most important
Areas where the company may face risks
Expectations regarding ESG disclosures and practices

Stakeholder engagement should be structured and documented properly for future reporting and governance purposes.

Step 5: Assess Business Impact

Now the company evaluates how each ESG topic impacts business performance.

Questions to consider include:

Does this issue create operational risk?
Can it affect profitability?
Does it impact reputation?
Could it create regulatory exposure?
Does it influence investor confidence?
Can it affect long-term sustainability?

Each ESG issue is scored based on:

Stakeholder importance
Business impact

This helps identify which issues are truly “material.”

Step 6: Create the Materiality Matrix

The materiality matrix is the visual representation of the assessment.

Typically:

X-axis = Importance to stakeholders
Y-axis = Importance to business

Issues appearing in the top-right corner become the highest-priority ESG focus areas.

For example:

Employee safety
Data security
Carbon emissions
Ethical governance

The matrix helps management allocate resources efficiently and focus on the most significant ESG priorities.

Step 7: Validate with Leadership

Before finalizing, the materiality assessment should be reviewed by senior management or the board.

Leadership validation ensures:

Strategic alignment
Governance oversight
Accountability
ESG integration into business planning

This step also improves organizational ownership of ESG initiatives.

Step 8: Integrate Findings into ESG Strategy

A materiality assessment should not remain a compliance document.

The findings should be integrated into:

ESG goals
Sustainability reporting
Risk management
Internal policies
Operational planning
KPI tracking
Investor communication

This converts ESG from a reporting exercise into a long-term business strategy.

Common Mistakes Unlisted Companies Should Avoid

Treating ESG as Only a Reporting Requirement

ESG is increasingly becoming a strategic business function, not just documentation.

Ignoring Stakeholder Input

A materiality assessment without stakeholder engagement often lacks credibility.

Copying Industry Templates

Every company has unique ESG priorities based on operations and risks.

Lack of Leadership Involvement

ESG initiatives require management-level commitment for effective implementation.

One-Time Exercise

Materiality assessments should be reviewed periodically as business risks and stakeholder expectations evolve.

Final Thoughts

For unlisted companies, ESG readiness is no longer optional. Businesses that proactively identify and manage ESG risks are better positioned for long-term growth, investor confidence, regulatory preparedness, and sustainable operations.

A structured materiality assessment helps companies focus on what truly matters instead of approaching ESG blindly.

Whether a company is planning expansion, fundraising, global partnerships, or operational transformation, ESG materiality assessment provides a strong foundation for future sustainability initiatives.

Want to build a practical ESG framework for your business?

ESGLLP helps unlisted companies with: