Raymond Cheung
Chartered Actuary · CRO · Board Adviser · Singapore
From FY2030, Singapore's large non-listed companies — revenue above S$1 billion and total assets above S$500 million — must report Scope 1 and 2 emissions and full ISSB-aligned climate disclosures for the first time. Unlike the listed companies that have been building toward this since FY2025, most of these boards have never run a risk committee, an audit committee, or an independent director through a disclosure sign-off, and four years is not as much runway as it looks.
I've advised family-owned and private-equity-backed businesses that are, by any commercial measure, bigger than half the companies on SGX's Mainboard — and whose boards have never once had to demonstrate independent oversight of a public disclosure. That gap is about to matter. From financial years starting on or after 1 January 2030, Singapore's large non-listed companies must report ISSB-aligned climate disclosures, including mandatory Scope 1 and 2 emissions, for the first time. Listed companies have had a multi-year runway toward this, phased in from FY2025. Large private companies get one mandate, on one date, with none of the board infrastructure listed companies were required to build along the way.
Who this actually catches, and what it requires
ACRA's threshold is specific: a large non-listed company (Large NLCo) is one with annual revenue of S$1 billion or more and total assets of S$500 million or more — both conditions, not either. That catches a real population of Singapore businesses: family conglomerates, PE-backed platforms nearing exit, and Singapore-incorporated subsidiaries of foreign multinationals that aren't separately listed anywhere. From FY2030, those companies must report Scope 1 and 2 GHG emissions as a mandatory item, with Scope 3 remaining voluntary, structured around the same four ISSB pillars listed companies already report against: governance, strategy, risk management, and metrics and targets. A subsidiary can be exempted if its parent — local or foreign — already publishes an ISSB-based or equivalent climate report that covers the subsidiary's activities, which will let some MNC subsidiaries off the hook. It will not help the standalone family business or the PE platform with no reporting parent above it.
“A listed company spent four years building the board machinery to answer the governance question in its climate disclosure. A large private company gets one filing deadline and has to build the same machinery from a standing start.”
The governance pillar is the one that exposes the real gap
Of the four ISSB pillars, metrics and targets is the one that gets the attention because it's the number-crunching exercise — get the emissions data, pick a methodology, report a figure. Governance is the one that actually exposes whether the board is ready. IFRS S1 and S2 require a company to describe the board's oversight of climate-related risks and opportunities, and management's role in assessing and managing them. A listed company answers that question with an existing risk committee charter, board minutes showing climate on the agenda, and — since Singapore's Code of Corporate Governance applies to it — independent directors whose role is specifically to challenge management's assumptions. A large non-listed company, with no Code of Corporate Governance obligation, frequently has none of that: no mandated independent directors, no standing risk committee, and a board that may consist largely of family members or the PE sponsor's own operating partners, none of whom were put there to independently challenge a climate risk assessment.
That's not a data problem four years can't fix — it's a board-composition and governance-process problem that takes just as long to fix properly, and that most Large NLCo boards haven't started on because FY2030 still sounds far away. Standing up a functioning risk oversight process, bringing in at least one genuinely independent voice, and getting the board comfortable discussing emissions data with the same rigor it applies to a covenant test is a multi-year exercise even when a company starts now. Boards that wait until FY2028 or FY2029 to think about governance, because the emissions data collection felt like the more urgent problem, will arrive at their first ISSB disclosure with a metrics section that reads adequately and a governance section that reads exactly like what it is: written after the fact, to describe oversight that didn't happen.
- Does this company clear both the S$1 billion revenue and S$500 million total assets thresholds — and if it's a subsidiary, does a parent's existing ISSB-aligned report actually cover its activities, in writing, or is that assumed?
- Does the board have a standing risk committee, or any board-level process, that has discussed climate risk in the last twelve months — not as a briefing, but as a decision item?
- Is there at least one director on the board whose role is to independently challenge management's assumptions, on climate or anything else, or is the board composed entirely of family members, sponsor representatives, or executives?
- If asked today to describe the board's oversight of climate-related risk for a disclosure document, would that description be true, or would it be written to sound true?
Four years is enough time to build a genuine governance process around climate risk. It is not enough time to build one in the six months before the first filing, which is when most boards facing a mandate this far out actually start. The Large NLCos that treat FY2030 as a board-composition project starting now will file a governance disclosure that's simply true. The ones that treat it as a data project will spend 2029 discovering that the hardest section to write honestly was never the one with the numbers in it.
Common Questions
Which companies count as a Large Non-Listed Company (Large NLCo) under Singapore's sustainability reporting regime?
A company that is not listed on SGX but has annual revenue of S$1 billion or more and total assets of S$500 million or more — both thresholds must be met. This captures large family-owned businesses, private-equity-backed platforms, and Singapore-incorporated subsidiaries of foreign multinationals.
What must Large NLCos report from FY2030, and is Scope 3 included?
From financial years starting on or after 1 January 2030, Large NLCos must report ISSB-based climate-related disclosures, including mandatory Scope 1 and 2 GHG emissions, structured around the four IFRS S1/S2 pillars: governance, strategy, risk management, and metrics and targets. Scope 3 emissions reporting remains voluntary for this group. External limited assurance over Scope 1 and 2 becomes mandatory later, from FY2032.
Is a Large NLCo exempt if it's a subsidiary of a foreign multinational?
It can be, but only if the parent company — local or foreign — already prepares an ISSB-based or equivalent climate or sustainability report, and that report's coverage explicitly includes the Singapore subsidiary's activities. A subsidiary should confirm this in writing rather than assume group-level reporting automatically covers it.
About the author
Raymond Cheung is a Chartered Actuary, C-suite executive and board adviser with more than 20 years of experience across Asia in risk management, insurance, ESG and corporate governance. He is the CEO of CER Consultancy and an accredited trainer at SMU Academy and the Singapore College of Insurance.