Major Affiliates
We provide 'one-stop services' taking advantage of the Group’s comprehensive capabilities.

Providing insurance arrangements with neutrality as an independent insurance broker.
MST Risk Consulting Co., Ltd. (MSTRC)

As an insurance broker wholly owned by MST, MSTRC provides custom-made risk management support to client companies.
MSTRC works with insurance brokers in more than 90 countries.
Providing insurance arrangement while ensuring neutrality as an independent insurance broker.
- Third-party assessment
- Insurance advisory services in PFI and renewable energy businesses
- Providing solutions originating from consulting and insurance broking for start-up companies
- Insurance due diligence in the event of corporate acquisition or integration
- Integrated management of overseas insurance and establishment of global insurance programs
- Extensive and flexible insurance arrangement capabilities utilizing third-party risk assessment and reinsurance, etc.
- Providing second opinions on the current status of risk management
- Support for formulating risk management measures according to the customer’s policy
Providing insurance services for members of Mitsubishi UFJ NICOS Credit Card
ST Insurance lnc.

ST Insurance lnc. is an insurance agency that sells non-life and life insurance online and provides insurance services to members of credit cards (MUFG Card, DC Card, and NICOS Card) issued by Mitsubishi UFJ NICOS Co., Ltd.
Providing support for corporate risk management and human capital management
MST Marsh, Inc.

MST Marsh, Inc. is a joint venture between MST and Marsh Japan, a Japanese subsidiary of Marsh, one of the world leaders in risk management.
Risk management
- Global standard RM support through alliance with the Marsh Group
- Building evidence-based, rational insurance programs utilizing abundant benchmark data and various analyses
Human capital management
- Establishment of group insurance systems to promote health management and human capital management in preparation for the risk of long-term incapacity due to illness or injury of employees
- Consultation on visualization, review, design, etc. of the overall welfare system by comparison with other companies
Providing comprehensive consulting skills specialized for SMEs.
MST JALUX Insurance Co., Ltd.

MST JALUX Insurance is a joint venture between MST and JALUX which provides high-quality services based on the mindset of safety and security.
Providing comprehensive consulting specialized for SMEs
- Implementation of comprehensive consulting approaches, utilizing the information and know-how accumulated by the MST Group for SMEs
- Providing new value that balances digital and reality
Covering management and employees
- Providing solutions tailored to the life plans and risks of individuals involved in companies
- Established customer support system based on the governance standards of the MST Group to achieve a higher level of customer satisfaction in cooperation with JALUX Insurance and Services, which has the best know-how in Japan
Providing comprehensive support for the risks of Japanese companies operating in the U.S.
MST Insurance Solutions, Inc.

MST Insurance Solutions was established in 2008 in Los Angeles, California. As an independent insurance broker for companies, it has provided one-stop support in two sections (non-life insurance section and health insurance section) for general insurance necessary for business operations. It became a group company of MST in April 2020 and changed its name to MST Insurance Solutions, Inc. on January 1, 2021.
The only subsidiary in the U.S. among insurance agencies affiliated with a Japanese mega-financial institution
- Optimization of insurance programs
- Providing information and improving knowledge
- Accident response
- Utilizing technology
- Support for operational improvement, risk countermeasures, and system development
Activities and achievements specializing in solving management issues at Japanese companies overseas
- Proposal for cost reduction and plan design optimization
- Compliance support
- Support for M&A
- Explanation to the Japanese headquarters
- Insurance claim analysis