What is the difference between TCFD and international ESG standards?

TCFD is a framework published in 2017 with recommendations on climate-related financial disclosures. international ESG reporting standards are formal accounting standards published in 2023 that build on TCFD's foundation but add mandatory requirements for sustainability and climate reporting. international ESG standards is now the global baseline adopted by HKEX.

Did HKEX adopt TCFD or international ESG standards?

HKEX adopted international ESG reporting standards standards in its 2025 ESG Reporting Guide update. The international ESG standards incorporate TCFD's four-pillar structure but go further by requiring quantitative climate metrics and Scope 1-3 emissions.

Do all HK companies need to follow international ESG standards?

Yes. All Main Board and GEM-listed companies must comply with ESG standards-aligned reporting. There are transitional provisions for Scope 3 emissions through 2026, but Scope 1 and 2 reporting is already mandatory.

Where can I learn about international ESG standards in Hong Kong?

Peak M&S Education Centre offers ESG Sustainable Solutions 4.0, covering international ESG reporting standards, TCFD, HKEX reporting, and carbon accounting. Next intake: 25-26 July 2026. GSF funding up to HK$10,000 available.

ESG Blog

TCFD vs international ESG standards: What Hong Kong Companies Need to Know

Posted July 2026 • 7 min read

The Evolution: TCFD to international ESG standards

The climate disclosure landscape has evolved rapidly. TCFD (Task Force on Climate-related Financial Disclosures) published its recommendations in 2017, establishing the four-pillar framework: Governance, Strategy, Risk Management, and Metrics & Targets. It was voluntary guidance.

In 2023, the international ESG standards (international sustainability standards) published international ESG reporting standards (General Requirements for Disclosure of Sustainability-related Financial Information) and international ESG reporting standards (Climate-related Disclosures). These are formal accounting standards — not just recommendations — that build directly on TCFD but add mandatory quantitative requirements.

Key Differences

Aspect	TCFD (2017)	international ESG reporting standards (2023)
Status	Voluntary recommendations	Mandatory accounting standards
Scope	Climate only	All sustainability (S1) + climate (S2)
Scope 3 Emissions	Recommended	Mandatory
Scenario Analysis	Qualitative	Quantitative (climate-related)
Transition Plans	Not required	Required
Cross-industry Metrics	Suggested	Mandatory (7 categories)

How HKEX Adopted international ESG standards

The HKEX Listing Rules Chapter 20 was updated in 2025 to align with international ESG standards. Key changes:

Scope 1 & 2 emissions: Mandatory from FY2025
Scope 3 emissions: Mandatory but with transitional relief through 2026
Climate risk assessment: Must cover physical and transition risks
Cross-industry metrics: GHG emissions, transition risks, physical risks, capital deployment, internal carbon prices, remuneration
Assurance: Phased approach — limited assurance progressing to reasonable assurance

What Hong Kong Companies Must Do Now

Gap assessment: Compare current ESG disclosures against international ESG standards requirements
Build capacity: Train staff on international ESG standards, GHG accounting, and climate risk
Establish data systems: Implement emissions tracking for Scope 1-3
Conduct climate risk assessment: Identify material physical and transition risks
Develop transition plan: Set emissions reduction targets aligned with 1.5C pathway
Engage auditors: Prepare for external assurance of climate disclosures

Common Pitfalls

Many Hong Kong companies struggle with the shift from voluntary TCFD reporting to mandatory international ESG standards compliance. The most common mistakes are: (1) treating international ESG standards as a checkbox exercise, (2) using inconsistent methodologies year over year, (3) failing to integrate climate data into financial planning, and (4) underestimating Scope 3 data collection challenges.

Training Your Team

The fastest way to build ESG standards capacity is through professional training. Our ESG Sustainable Solutions 4.0 course covers international ESG reporting standards in detail, with practical workshops on emissions calculation, climate risk assessment, and HKEX compliance. The course runs over one weekend (Sat-Sun, 15:00-18:00) and qualifies for government GSF funding up to HK$10,000.

Enrol now for the next intake (25-26 July 2026) or WhatsApp us to learn more.

← All Articles ESG Course →