Singapore’s Accounting and Corporate Regulatory Authority (ACRA) and Singapore Exchange Regulation (SGX RegCo) have revised the timelines for implementing mandatory climate-related reporting, easing requirements particularly for small- and mid-sized companies. 

While listed companies will still need to disclose Scope 1 and 2 greenhouse gas (GHG) emissions from FY2025, and the largest listed firms must report Scope 3 value chain emissions from FY2026, most ISSB-based disclosure requirements have been pushed back. Scope 3 reporting will remain voluntary for the majority of companies until further notice. 

The regulators cited global economic uncertainty and company feedback—especially from smaller firms—highlighting a lack of resources, expertise, and readiness. This decision follows calls from the Singapore Business Federation, whose survey showed only 4% of small- and mid-cap companies felt confident about meeting the original timeline. These firms make up 84% of SGX listings. 

Under the new framework: 

• Straits Times Index (STI) constituents: No change—must report Scope 1 and 2 from FY2025 and Scope 3 from FY2026. 

• Non-STI listed companies ($1B+ market cap): ISSB-based reporting begins FY2028; Scope 3 voluntary. 

• Listed companies (<$1B market cap): ISSB-based reporting begins FY2030; Scope 3 voluntary. 

• External assurance for Scope 1 and 2 is delayed to FY2029 for listed companies. 

• Large non-listed companies (≥$1B revenue and ≥$500M assets): Scope 1 and 2 reporting postponed to FY2030 (from 2027), external assurance to FY2032; Scope 3 remains voluntary. 

Regulators noted that STI companies are better prepared and encouraged all businesses to continue building climate reporting capabilities in line with ISSB standards. 

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