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28 February 2026

GRI vs IFRS S1 & S2: Key Differences Explained


As ESG reporting matures, two frameworks dominate global conversations: GRI Standards and the new IFRS S1 & S2 sustainability standards. Understanding their differences — and how they relate — is increasingly important for Indian companies.


GRI Standards: Multi-Stakeholder Focus


The Global Reporting Initiative (GRI) has been the dominant sustainability reporting framework for over two decades. Key characteristics:


- Audience: Multiple stakeholders — employees, communities, NGOs, governments, investors

- Focus: Impact materiality — how the company impacts the world

- Coverage: Comprehensive — environment, social, governance, supply chain, human rights

- Mandatory in India? No, but forms the basis for many voluntary disclosures and the spirit of BRSR


IFRS S1 & S2: Investor-Focused


The International Sustainability Standards Board (ISSB) released IFRS S1 and S2 in 2023. Key characteristics:


- Audience: Primarily investors and capital markets

- Focus: Financial materiality — how sustainability issues affect the company's financial performance

- S1: General sustainability-related financial disclosures

- S2: Climate-specific disclosures (aligned with TCFD)

- Mandatory in India? Not yet, but increasingly expected by foreign investors


Key Differences


| | GRI | IFRS S1 & S2 |

|---|---|---|

| Materiality | Impact materiality | Financial materiality |

| Primary audience | All stakeholders | Investors |

| Climate focus | Part of environmental disclosures | S2 is dedicated to climate |

| Scope | Broad ESG | Financial risks and opportunities |


Which Should You Use?


For most Indian companies, GRI provides the foundation and helps satisfy BRSR requirements. As you grow globally, IFRS S1 & S2 readiness becomes important for investor relations.


The good news: they are increasingly interoperable, and producing disclosures under both is achievable with a single data collection process.




Questions about which framework is right for your organization? [Talk to us](/contact).


[Founder Name]

Founder, Vedant EHS Advisors

GRI vs IFRS S1 & S2: Key Differences Explained | Vedannt EHS Advisors