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As global climate reporting standards converge and investor demand for transparent sustainability disclosures rises, Singapore has emerged as a regional leader in mandatory climate reporting. For organisations listed on the Singapore Exchange (SGX) and large enterprises operating in or connected to the Singapore market, Singapore’s Climate Reporting requirements are no longer optional—they are rapidly becoming table stakes for credibility with investors, regulators, and stakeholders alike.

In this landscape, companies must align their reporting capabilities with internationally recognised standards while navigating a phased domestic rollout tailored to their size and governance context. Understanding how Singapore’s regime works—and preparing now—can help organisations avoid last-minute compliance pressure and strengthen their strategic resilience.

What Singapore’s Climate Reporting Regime Entails

Singapore’s climate disclosure regime is designed to align with international frameworks, particularly those developed by the International Sustainability Standards Board (ISSB). The SGX and the Accounting and Corporate Regulatory Authority (ACRA) have adopted a phased implementation that reflects the diversity of corporate readiness and scale in the market.

Under the current roadmap:

  • From FY2025, all issuers listed on the SGX must disclose Scope 1 and Scope 2 greenhouse gas (GHG) emissions in accordance with ISSB-aligned standards.
  • From FY2026, certain large issuers—such as Straits Times Index (STI) constituents—must also disclose Scope 3 emissions covering their value chain.
  • Reporting timelines for other ISSB-aligned climate disclosures, beyond Scope 1–3, are staggered by market capitalisation, with extensions to FY2028 and FY2030 for smaller listed companies.
  • Mandatory reporting for large non-listed companies (e.g., enterprises with at least SGD 1B revenue and SGD 500M total assets) is set to begin later in FY2030, with assurance requirements following in 2032. (turn0search4)

Assurance of reported emissions is also part of Singapore’s roadmap: external limited assurance for Scope 1 and Scope 2 emissions is planned for a future phase, prioritising data integrity and investor trust. (turn0search5)

Why Climate Reporting Matters in Singapore

Singapore’s climate reporting requirements are about more than compliance—they reflect a broader shift in how companies are expected to manage and disclose climate-related risks and opportunities:

1. Investor demand for decision-useful data

Global investors increasingly view climate risks—such as carbon pricing, extreme weather, and transition pathways—as financial risks that can affect valuations and cost of capital. In Singapore, aligning with ISSB standards provides investors with consistent, comparable information about climate risks and resilience.

2. Governance expectations

Climate reporting in Singapore is integrated with governance protocols. Boards and management teams are expected to demonstrate clear oversight of climate risks, strategic responses, and progress measured through data. Robust climate reporting supports stronger decision-making at the executive level.

3. Strategy and risk management

Climate disclosures are no longer siloed sustainability documents; they are part of core financial and strategic reporting. Singapore’s phased approach incentivises companies to integrate climate considerations into enterprise risk management, capital planning, and scenario analysis to demonstrate long-term resilience.

What Companies Need to Disclose

At a minimum under Singapore’s Climate Reporting regime, listed issuers must begin with the following core elements:

1. Scope 1 and Scope 2 GHG Emissions

From FY2025, all SGX-listed companies must disclose emissions from direct operations (Scope 1) and indirect energy use (Scope 2). This is a foundational requirement and will remain mandatory.

2. Scope 3 Emissions (Phased)

For major listed entities—such as Straits Times Index constituents—Scope 3 reporting is expected to become mandatory starting FY2026, reflecting the importance of value chain emissions in total climate impact. For other listed firms, Scope 3 requirements may remain voluntary until systems are more mature.

3. Other Climate-Related Disclosures

Beyond emissions, companies must disclose governance oversight, strategy, risk management practices, and performance metrics aligned with ISSB’s climate disclosure standard (IFRS S2), which builds on the Task Force on Climate-related Financial Disclosures (TCFD) model.

Reporting Quality and Assurance

A key goal of Singapore’s reporting regime is not simply disclosure but quality and credibility. As such:

  • Assurance — starting with limited assurance over Scope 1 and Scope 2 data — is envisaged in later phases (e.g., from FY2029 for listed companies). This ensures that reported data is verifiable and robust.
  • Companies are encouraged to build systems and controls now, documenting methodologies and assumptions for emissions calculations. Preparing for future assurance reinforces the reliability of climate reporting from the outset.

Singapore climate reporting

Source

Common Challenges for Businesses

Despite the clarity of timelines, many organisations struggle with implementation. A 2025 industry survey found that a significant portion of Singapore-listed companies were not fully prepared for mandatory sustainability reporting under ISSB standards, highlighting gaps in data systems, governance, and internal capability.

Typical hurdles include:

  • Siloed energy and emissions data across business units
  • Inconsistent measurement methodologies for GHG emissions
  • Limited internal expertise in climate risk frameworks
  • Lack of board-level climate reporting readiness

Because climate reporting bridges sustainability, finance, and risk management, overcoming these challenges requires coordinated, cross-functional processes rather than ad-hoc efforts.

Practical Steps to Prepare

To stay ahead of Singapore’s Climate Reporting requirements, companies should take proactive steps:

1. Conduct a Gap Analysis

Benchmark your existing disclosures against mandatory elements covering Scope 1, Scope 2, Scope 3 (if required), and broader climate-related disclosures under ISSB standards.

2. Centralise Data and Controls

Establish a governance process for emissions and climate information that includes clear data ownership, data validation, and documentation standards.

3. Engage Leadership and Board

Ensure that climate risk and disclosure topics are discussed regularly with senior leadership and the board to institutionalise oversight and accountability.

4. Build Cross-Functional Capability

Develop internal skills in climate risk assessment, emissions accounting, and sustainability reporting. This may include training, hiring expertise, or collaborating with external advisors.

5. Plan for Assurance

Though assurance obligations are phased, starting early with internal controls and audit trails will ease future external assurance requirements and improve investor confidence.

The Strategic Value of Early Preparation

While compliance timelines give companies space to prepare, treating Singapore’s Climate Reporting as merely a regulatory exercise misses the broader opportunity. Credible reporting can:

  • Enhance investor trust by demonstrating transparency and foresight
  • Strengthen risk management by linking climate data with financial planning
  • Support access to capital from sustainability-focused funds
  • Drive internal operational improvements, such as energy efficiency and emissions reduction

Companies that embed climate reporting into strategy — rather than treating it as an annual filing requirement — are more resilient and better positioned in a climate-aware investment landscape.

How Clenergize Supports Reporting Readiness

At Clenergize, we support organisations through the full lifecycle of climate reporting preparation:

  • Gap analysis against the Singapore roadmap
  • Data governance design and emissions accounting setup
  • Transition planning and board engagement frameworks
  • Assurance readiness support aligned with phased external requirements

Our advisory approach helps companies move beyond compliance to build disclosures that investors and stakeholders rely on.

Conclusion

Singapore’s Climate Reporting regime is rapidly becoming an integral part of corporate governance and financial disclosure practice. With phased requirements beginning as early as FY2025 for listed companies and expanding through to FY2030 and beyond, organisations must act now to build resilient systems, robust data practices, and structured governance oversight.

Early preparation not only ensures regulatory compliance but also strengthens strategic planning, risk management, and investor engagement — all crucial in a world where climate considerations are increasingly central to business success.