Sustainability Accounting Co., Ltd.

Sustainability Accounting Office Co., Ltd. is a specialized professional firm established in 2006, focusing on ESG, CSR, and sustainability-related services. Headquartered in Kojimachi 2-4, Chiyoda-ku, Tokyo, the firm primarily provides third-party assurance services for corporate integrated reports, environmental reports, and other sustainability disclosures.

The company is composed mainly of certified public accountants and sustainability professionals, and is distinguished by its expertise in enhancing the reliability of non-financial information. In particular, it has strong capabilities in greenhouse gas (GHG) emissions verification, ESG disclosure advisory services, and support for international sustainability assessment frameworks such as CDP and EcoVadis.

In recent years, driven by growing demand for sustainability disclosure standards and ESG investment, the firm has provided consulting and assurance services to many listed and large-scale corporations. In addition, it supports clients through integrated reporting assistance, sustainability strategy development, and corporate training programs, helping companies promote sustainable management practices comprehensively.