TRES Co., Ltd. (Headquarters: Shinagawa-ku, Tokyo, Representative Director: Shinji Takai) has achieved its sixth "White Company" certification in 2026, maintaining an unbroken streak since first obtaining it in 2021. This certification is awarded by the Japan Institute for the Advancement of Next Generation Corporations. We delve into the story behind how TRES achieved its excellent corporate structure, characterized by a turnover rate of less than 5%. What is the "White Company" Certification? The "White Company" certification is the only certification system in Japan (※) that evaluates and recognizes "excellent companies that should be passed down to the next generation," organized by the Japan Institute for the Advancement of Next Generation Corporations (commonly known as the White Foundation). It is determined by a comprehensive judgment and evaluation across seven categories: "Business Model/Productivity," "Work-Life Balance," "Health and Productivity Management," "Human Resource Development/Employee Engagement," "Diversity & Inclusion," "Risk Management," and "Labor Law Compliance," based on 70 questions. Companies are certified as "White Companies" if their employees can work with peace of mind and are supported by their families and society. Source: https://jws-japan.or.jp/recognition/ ※Quoted from the official website of the Japan Institute for the Advancement of Next Generation Corporations. The Foundation of a Strong Organizational Culture Lies in Gritty "Dialogue" Maintaining this "White Company" certification requires undergoing a rigorous, from-scratch review every year. Therefore, even amidst challenging external environments such as the COVID-19 pandemic, the rapid depreciation of the yen, and soaring prices, TRES was not permitted to compromise on any of its responsibilities as a company, including maintaining productivity, thorough risk management, continuous human resource development, respecting diversity, and providing health support. However,