ESG Disclosure in Japan: From Compliance Cost to Corporate Value
ISSB standards are being adopted and Japan is moving to integrated reporting. How listed companies are using sustainability disclosure, and what the Strategy Dialogue at Tech for Impact Summit 2026 covered.
At most listed companies the annual sustainability report is a legal filing. Eisai, Omron and Hitachi have been publishing integrated reports for years, and investors read them. The “Beyond Compliance” Strategy Dialogue at Tech for Impact Summit 2026 asks what those companies do differently and what the 2026 rules change.
The 2026 Rules
The International Sustainability Standards Board (ISSB) has published a baseline for sustainability reporting. The UK, Singapore and Japan are writing it into their own rules. Until now a sustainability number from a Tokyo company and one from a London company could not be compared; under ISSB-aligned regimes they can.
The EU’s Corporate Sustainability Reporting Directive (CSRD) started with a wide scope and is being cut back. Fewer companies will be covered. Large companies operating in Europe still have to produce audited sustainability disclosures.
In Japan, the Financial Services Agency is working on aligning domestic standards with ISSB. Japanese issuers already have more practice than most: the integrated-report format has been mainstream among large listed companies for a decade.
The Panel
David Freiberg moderates. He helped develop impact-weighted accounting at Harvard Business School and has worked with companies across the Fortune 500. Impact-weighted accounts put a monetary value on a company’s environmental footprint, its spending on people and its community work, so those figures can go into the same capital budget as everything else.
With him:
- Ryohei Yanagi, known in Japan for his work on equity spread and corporate value, and for research tying ESG performance to shareholder returns
- Sohei Shinomiya, on how institutional investors read sustainability commitments
- Chihiro Baba, on sustainability frameworks and corporate reporting
Cost of Capital
Most Japanese integrated reports still stop short of a monetized figure a fund manager in London or New York can put into a model. Asset managers with trillions of dollars under management now run sustainability screens before they allocate. A company with a vague report does not pass the screen, and its cost of capital goes up.
The session covers the practical part: which metrics investors read, how to price non-financial capital, and what a Japanese integrated report needs to add under an ISSB-aligned regime.
Tech for Impact Summit 2026 takes place April 26 at Kioi Conference, Tokyo. Join the 2027 waitlist →