A comfortable working environment protects the safety and health of employees, and links to increased productivity through efficient operations. Furthermore, free and open communication is essential to a healthy and pleasant working environment, and the interplay of factors such as “corporate vision and expectations,” “career goals,” and “respect for and development of the individual” is believed to be connected to what makes a job interesting.
In light of these points, MUMSS endeavors to create a pleasant working environment.
Employee Engagement
Greater employee engagement is reflected in job fulfillment and is believed to be linked to increased customer satisfaction and contribution to local communities and society.

We have conducted an engagement survey every year since 2010, with the aim of understanding factors such as employee motivation, workplace communication, and satisfaction with supervisors, so that we can make improvements and create a better corporate culture. Based on survey results, we have taken action, such as developing training to instill a deeper awareness of such topics as honesty and fairness and the importance of making customer interests our top priority. We have also implemented policies to revitalize our organization and have set up and administer an Opinion Box where employees can submit comments or requests by e-mail.
Diversity, Equity & Inclusion (DEI) Initiatives
We are enhancing diversity in the organization to create an environment where each and every employee is respected and all individuals can fully express the abilities, regardless of differences.
Diversity Report
All of our initiatives are presented in “evolution,” a magazine dedicated to promoting diversity, issued annually and distributed to all employees.
Please click here to view the 2023 edition.
Platinum Kurumin Plus Certification
We are committed to creating a supportive and inclusive workplace where each employee can work comfortably while balancing professional responsibilities with personal life.
In recognition of our efforts, we received the Platinum Kurumin Plus Certification (standard compliance certification for general employers) from the Minister of Health, Labor and Welfare on March 24, 2026, pursuant to the Act on Advancement of Measures to Support Raising Next-Generation Children.
The Platinum Kurumin Plus Certification is awarded to companies that have already obtained the Platinum Kurumin Plus Certification as childcare-supporting companies and that meet even higher standards. These include proactive initiatives to support the balance between fertility treatment and work, such as clearly communicating company policies, establishing special leave systems, and setting up consultation services.
Our company obtained the Platinum Kurumin Plus Certification from the Ministry of Health, Labour and Welfare on October 17, 2019. Following this achievement, our initiatives to support employees in balancing fertility treatment with work were highly evaluated, leading to our new certification as a Platinum Kurumin Plus Certification company.
