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Japan Home Shield's Remarkable Achievements in Ground Research and Building Inspections

Japan Home Shield Co., Ltd., located in Sumida, Tokyo and led by CEO Takumi Teishikawahara, has announced impressive milestones in their operations, surpassing 2.5 million ground surveys and 400 thousand building inspections as of the end of August 2025. These accomplishments reflect the company's commitment to ensuring the safety and quality of residential structures through their innovative ground support systems.

The Journey to 2.5 Million Ground Assessments

Since its inception in 1993, Japan Home Shield has been dedicated to conducting ground surveys before the construction of buildings, offering a unique ground support system that guarantees long-term quality and stability. The company recognized the importance of ground research in an era when such practices were not yet mainstream in Japan. In response to heightened societal concerns for housing safety post the 1995 Great Hanshin Earthquake, Japan Home Shield quickly adapted and turned its focus towards ensuring the stability and safety of residential developments.

Their proprietary ground survey method, known as the SDS test, excels in soil type identification, facilitating highly accurate ground analysis. This technology has allowed Japan Home Shield to evolve its services from typical subsidence countermeasures to risk assessments for liquefaction, contributing to disaster prevention and risk reduction. The culmination of these efforts has led to over 2.5 million ground assessments by the end of August 2025. Moving forward, Japan Home Shield is committed to continuously enhancing its technical capabilities and remaining dedicated to its mission of supporting safe living environments.

Expanding Building Inspection Achievements to 400 Thousand

Japan Home Shield expanded its inspection services with the initiation of quality assessments for new residential properties in 2003. Over the years, they broadened their scope to include inspections for existing homes and regular maintenance checks, culminating in a total of 400 thousand building inspections by the end of August 2025. Recent trends show a significant increase in orders for regular inspection services, driven by growing demands for sustainable management of housing stock.

In the midst of an ongoing shortage of skilled labor in the construction industry, Japan Home Shield has positioned itself as a neutral third-party inspection body. They have prioritized ensuring quality construction and providing safe homes. Their inspection efforts do not just end at the initial assessment; they focus on ongoing support for safety and reliability throughout the lifecycle of the building. Feedback from inspection results has contributed to enhancing construction quality, preventing repeated errors in the field, and genuinely aiding in the advancement of contractors' skills.

With their recent initiatives, Japan Home Shield aims to cover the entire lifecycle of homes by offering services such as periodic inspections for currently occupied homes and assessments during property sales. They are also expanding warranty services for housing equipment and long-term building guarantees to meet the evolving needs of customers, thereby striving to create sustainable building frameworks alongside housing providers.

Insights from CEO Takumi Teishikawahara

CEO Takumi Teishikawahara commented on reaching the remarkable achievement of 2.5 million ground assessments since the company's inception. He noted that the journey began with new residential quality inspections and has since evolved into a broader array of services, leading to an accumulated record of 400 thousand inspections. Furthermore, with the emergence of technological advancements such as AI applications in ground analysis and enhanced warranty services, Japan Home Shield remains focused on delivering safe and secure homes.

As they look ahead, Takumi emphasizes the company’s mission statement: "Expanding technologies related to ground and buildings to create better future living standards with assured quality, while maintaining a customer-centric approach will remain our priority." He assures all stakeholders of Japan Home Shield's commitment to providing valuable solutions as they continue to grow and adapt in the industry.

Contact Information

Company Name: Japan Home Shield Co., Ltd.
Address: 2-10-14 Ryogoku, Sumida, Tokyo, Japan
Contact Person: Itou, Corporate Planning Department
Phone Number: 03-5624-1545
Website: Japan Home Shield

References:
1. Ground survey achievement No. 1: Based on the number of ground analyzes conducted in Japan for new wood-framed homes, prefabricated (steel and reinforced concrete) constructions in the fiscal year 2022 (internal company research, as of September 2023).