External Evaluations

ESG Index,etc.

Major Indexes and Certification

FTSE4Good Index/FTSE Blossom Japan Index/FTSE Blossom Japan Sector Relative Index

Taisei Corporation has been selected as an index constituent of the FTSE4Good Index, the FTSE Blossom Japan Index and the FTSE Blossom Japan Sector Relative Index (as of June 2023).

The FTSE4Good Index Series is series of stock indexes developed by FTSE Russell, which is a wholly owned subsidiary of the London Stock Exchange. FTSE Russell evaluates major corporations around the world from the perspective of Environmental, Social and Governance (ESG) criteria, on the basis of corporate responsibility. It selects companies that satisfy its standards as constituents of the index.

The FTSE Blossom Japan Index and the FTSE Blossom Japan Sector Relative Index, are designed to measure the performance of Japanese companies that demonstrate strong ESG practices.

MSCI Japan Empowering Women Index (WIN)

The MSCI Japan Empowering Women Index (WIN) is the value of companies having excellent gender diversity within business categories. The MSCI Japan IMI Top 500 is its parent index. Taisei corporation has been selected continuously since the index was established in 2017 (as of June 2023).

S&P/JPX Carbon Efficient Index

Discloses the S&P/JPX Carbon Efficient Index, jointly developed as an environmental index by the Japan Exchange Group, the Tokyo Stock Exchange, and the S&P Dow Jones Index (as of June 2023). Taisei corporation has been selected continuously since the index was established in 2018.

SBT Certification

Taisei Corporation is certified by the "Science Based Targets (SBT)," an international initiative on greenhouse gas emission reduction, on its GHG reduction target for 2030.


Taisei's activities to reduce greenhouse gas emissions and resolve the issue of climate change through its business activities have been recognized by the CDP* an international environmental nonprofit organization as the highest rank A in terms of climate change in February 2024. Moreover, in the CDP assessment of supplier engagement, Taisei has been selected as a "supplier engagement leader" for three years in a row (as of March 2023).

*Note: CDP is an international environmental NGO that was established in the United Kingdom in 2000. CDP conducts activities to promote the disclosure of environmental data relating to Climate Change, Forests and Water Security by companies in response to requests from institutional investors and purchasing companies throughout the world. CDP rankings have an essential function as the global standard for the "E" component of environmental, social and governance (ESG) information disclosure.

SOMPO Sustainability Index

The SOMPO Sustainability Index is an ESG evaluation by Sompo Asset Management Co. Taisei corporation was selected in the SOMPO Sustainability Index (as of June 2023).

Major External Awards

ESG Finance Award Japan

Taisei Corporation was selected as the Environmental Sustainable Company in the Environmental Sustainable Corporation Category at the Fourth ESG Finance Awards Japan hosted by the Ministry of the Environment.

Sustainability Website Awards

Taisei Corporation was selected as a Bronze Class rating in the Sustainability Website Awards 2024 (as of January 2024).

D&I AWARD 2022

Taisei Corporation was recognized as the top-ranked "Best Workplace" in the D&I Award 2022 sponsored by JobRainbow. This award rates companies that take initiatives toward diversity and inclusion by addressing issues including the gender gap, LGBT, disabilities, multicultural coexistence, childcare and nursing care support, and more, and bestows a certification according to this rating.