Key sustainability issues (materialities)

Defining our materialities

In 2022, we defined the following five points as our materialities to be addressed in 2030 by backcasting from our vision for the society of 2030, including our VISION2030 long-term management vision and contribution to the SDGs. With respect to these materialities, the Daiseki Group seeks to achieve both progress in our business activities and the sustainability of the global environment and society, based on our corporate purpose of "being an environment-creating company that contributes to society through the environment, making the best use of limited resources."

Materiality Assessment Process

Materiality Assessment Process

Assessing the Importance

Assessing the Importance

Main opinions considered

  • Investors

  • Reducing our greenhouse gas emissions

  • Contribution to the water cycle

  • Disclosure of toxic waste emissions information

  • Strengthening employee education and labor management

  • Protecting human rights

  • Introduction of a safety management system

  • Introduction of performance-linked compensation system

  • Strengthening Group company management

  • Vision 2030 target management

  • Compliance

  • Daiseki Group officers and employees

  • Realization of a circular economy society

  • Promotion of countermeasures for climate change

  • Demonstration of each person’s individuality and abilities

  • Workplaces prioritizing safety where employees can work with peace of mind

  • Co-existence and mutual prosperity with local communities

  • Gaining trust through compliance

The Daiseki Group's priority Issues and initiatives

In line with our vision for the society in 2030, the Daiseki Group continually engages in sustainability activities that must be carried out by that date. The content of our sustainability activities are formulated with consideration of factors including our corporate purpose and materialities, the VISION2030 long-term management vision and contribution to the SDGs. The activities are approved by the Sustainability Headquarters composed of our president, other executive officers, and the presidents of our Group companies, and are then reported to the Board of Directors.

Materiality Issues Initiatives to Achieve Materiality Targets Results
Making the best use of limited resources Contributing to environmental conservation and carbon neutrality by appropriately recycling industrial waste. Increase avoided emissions to 785,000 t-CO2 or more by FY2028 Reduced 643,000 t-CO2 in FY2025
Established Daiseki Group Environmental Policy in May 2025 (revised for Daiseki alone)
Aiming to realize a circular economy society by supporting resource circulation mainly for manufacturing industry clients Increase material recycling shipment volume to 258,300 t or more by FY2031 Shipped 149,000 t of recycled materials in FY2025
Established Daiseki Group Environmental Policy in May 2025 (revised for Daiseki alone)
Creating workplace that individuals shine Maintaining and improving the physical and mental health of employees and their families, who are the foundation supporting our growth Maintain and improve the physical and mental health of employees Established Daiseki Group Human Rights Policy in May 2025 and introduced health checkup subsidies for employees’ families
Promoting human capital strategies essential for growth based on business strategy Revise the personnel system and formulate human capital strategy Started revising personnel system in April 2025
Eliminating industrial and environmental accidents Penetrating the philosophy to put safety as the top priority above all else By FY2031, review the Safety and Health Management Regulation, instill the safety philosophy, and clarify responsibilities Established Daiseki Group Health and Safety Policy in May 2025 (revised for Daiseki alone)
Established disaster and accident reporting standards at Daiseki in April 2024
Providing training and deploying equipment necessary to ensure safety Achieve zero lost-time accidents among Daiseki employees Recorded 2 lost-time accidents in FY2025
A company well-liked by local communities Contributing to the conservation of the local environment Conduct cleaning activities around business sites and environmental beautification activities in collaboration with local municipalities and residents 1,164 employees participated in cleaning and environmental beautification activities in FY2025
Maintaining social infrastructure through disaster recovery support Provide swift recovery support when clients’ factories are affected by natural disasters or accidents Supported disaster recovery for companies affected by the Noto Peninsula earthquake in Ishikawa and Toyama prefectures in January 2024
Promoting thorough understanding of compliance and observation of laws and regulations Strengthening governance systems and implementing compliance education Strengthen Group governance structure Established Daiseki Group Corruption Prevention Policy in May 2025; Audit and Supervisory Committees from Group companies engaged in opinion exchanges, and presidents of Group companies provided business briefings to the committees.
Promoting governance that supports growth and succession planning with a focus on the next generation Develop a succession plan Held succession plan study session with external experts in February 2024; started revising personnel system including succession plan in April 2025

Examples of initiatives

Making the best use of limited resources

  • CLEAN WATER AND SANITATION
  • AFFORDABLE AND CLEAN ENERGY
  • INDUSTRY, INNOVATION AND INFRASTRUCTURE
  • RESPONSIBLE PRODUCTION AND CONSUMPTION
  • CLIMATE ACTION
  • LIFE BELOW WATER
  • LIFE ON LAND
Fuel recycling (Daiseki)
Fuel recycling (Daiseki)
Cement material recycling (Daiseki)
Cement material recycling (Daiseki)
Lead recycling (Daiseki MCR)
Lead recycling (Daiseki MCR)

Creating workplace that individuals shine

  • GOOD HEALTH AND WELL BEING
  • QUALITY EDUCATION
  • GENDER EQUALITY
  • DECENT WORK AND ECONOMIC GROWTH
Interviews with outside directors and female employees
Interviews with outside directors and female employees
Utilization of childcare leave by male employees
Utilization of childcare leave by male employees
Certificate of a Health and Productivity Management Organization
Certificate of a Health and Productivity Management Organization

Eliminating industrial and environmental accidents

  • GOOD HEALTH AND WELL BEING
  • QUALITY EDUCATION
Danger Prediction Training
Danger Prediction Training
(Daiseki Kanto Works)
Safety trainings for partner companies (Daiseki Kansai Works)
Safety trainings for partner companies
(Daiseki Kansai Works)
Disaster drill (Daiseki Kanto Works)
Disaster drill
(Daiseki Kanto Works)

A company well-liked by local communities

  • RESPONSIBLE PRODUCTION AND CONSUMPTION
  • PARTNERSHIPS
Signing of a comprehensive cooperation agreement with Shinshiro City (Daiseki)
Signing of a comprehensive cooperation agreement with Shinshiro City (Daiseki)
Plant tours for external stakeholders (Daiseki Nagoya Works)
Plant tours for external stakeholders (Daiseki Nagoya Works)
Cooperation with TheUniversityof TokyoOneEarthGuardians (OEGs)
Cooperation with The University of
Tokyo One Earth Guardians
(OEGs)

Promoting thorough understanding of compliance and observation of laws and regulations

  • QUALITY EDUCATION
  • REDUCED INEQUALITIES
Corporate governance structure
Corporate governance structure
Compliance study sessions
Compliance study sessions
Certificate of an Excellent Industrial Waste Disposal Company
Certificate of an Excellent Industrial Waste Disposal Company