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ESG
2026-07-256 min read0

Korea's FSC Finalizes ESG Disclosure Roadmap: Phased Mandate from 2028 — What SMEs Should Prepare Now

A guide to Korea's FSC ESG disclosure mandate roadmap and how SMEs should prepare as supply-chain partners of large disclosers.

KITIM Consulting Team

Finalized ESG Disclosure Roadmap

Korea's Financial Services Commission (FSC) unveiled its draft ESG disclosure roadmap in February 2026 at the "4th Productive Finance Transformation Meeting." Under the roadmap, KOSPI-listed companies with consolidated assets of KRW 30 trillion or more will become the first group subject to mandatory disclosure starting the 2028 fiscal year, expanding to companies with KRW 10 trillion or more in 2029, and to all KOSPI-listed companies by 2033.

Scope 3 (Supply Chain) Disclosure Gets a 3-Year Grace Period

Reflecting concerns about the burden of reporting greenhouse gas emissions across the entire value chain, Scope 3 disclosure will be exempted for 3 years and take effect starting in 2031.

Why SMEs Should Pay Attention Now

While large listed companies are directly subject to disclosure requirements, their SME suppliers will be the first to receive requests for Scope 3 data. Even ahead of the 2028 mandate, large client companies are already increasingly requesting supply chain data proactively.

Preparation Strategy for SMEs

  • Check whether your major clients are listed and their consolidated asset size to anticipate when disclosure requirements will apply to them
  • Prioritize systematizing Scope 1 and 2 (direct and indirect) greenhouse gas emissions data
  • Build your own data management system based on the K-ESG guidelines
  • Designate a responsible person and process in advance to handle ESG data requests from clients
  • Contact KITIM

    KITIM supports SMEs with building ESG data systems, responding to client ESG requests, and developing a staged preparation strategy aligned with the disclosure roadmap. Contact us through [KITIM Contact](/contact) if you need support preparing for ESG disclosure.

    ESG Disclosure RoadmapFSCSustainability DisclosureScope 3SME ESG
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