Event Report: May 19, 2026 – 'Strategy for Popularizing High-Value-Added Housing: Overturning the Myth that High-Performance Spec Housing Isn't Profitable'
On May 19, 2026, the Japan Excellent Builder Promotion Association (JGBA) held an online seminar featuring Tatsuya Oikawa, Representative Director of Says Co., Ltd. The seminar, titled 'Strategy for Popularizing High-Value-Added Housing,' attracted 21 participants from construction firms nationwide. Key takeaways included Says Co., Ltd.'s methods for maximizing profits through high-value-added housing and their approach to organizational development rooted in management philosophy.
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- 📰 Published: May 23, 2026 at 00:29
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In this seminar, Tatsuya Oikawa, Representative Director of Says Co., Ltd.—a firm boasting an overwhelming record of being number one in housing supply for 10 consecutive years within an association of approximately 500 builders—and other section leaders took the stage to share their specific management techniques.
The company has realized an organizational structure characterized by 'lean, elite' teams, achieving a 2.4-fold growth in sales while keeping headcount nearly flat. They shared deep insights into the fundamentals of customer attraction, sales, and their core management philosophy.
In his closing remarks, Oikawa stated that the most important task for a manager is to 'envision the goal.' He reflected on their journey of management based on the philosophy of 'pursuing the real thing,' which began 16 years ago. He revealed that in organizational operation, by introducing a self-evaluation system based on behavioral characteristics and values, rather than just quantitative results, employees grow proactively, forming the 'strongest team' that resonates with the corporate philosophy.
Participants provided feedback such as, 'It was a meaningful session, covering everything from practical content to how to instill management philosophy,' and 'It really hit home how the added value of high performance allows us to generate profits without getting caught in price wars.'
■ Says Co., Ltd.
Based mainly in Katsushika and Edogawa wards, Tokyo, Says Co., Ltd. is a community-based home builder dealing in newly built detached houses (spec and custom) and renovations. Known for both design and high residential performance, the company holds the national number-one record for 10 consecutive years in the construction of 'Super Wall' homes, which achieve high seismic resistance, airtightness, and insulation. They provide a comprehensive, one-stop, in-house system covering everything from land procurement and design to construction, sales, and lifetime after-maintenance.
FAQ
What was the theme of the seminar?
The theme was 'Overcoming the notion that high-performance condominiums are not profitable: A strategy for spreading high-value-added housing'.
What are the strengths of Seiz Co., Ltd.?
Seiz Co., Ltd. boasts design and high housing performance (such as the Super Wall construction method) and has established a one-stop system from land acquisition to after-sales maintenance.
What are Seiz Co., Ltd.'s achievements in terms of housing performance?
Seiz Co., Ltd. has the top record in the number of houses constructed using the 'Super Wall construction method' for 10 consecutive years nationwide.
What management techniques were discussed in the seminar?
The seminar shared knowledge on building a lean and efficient organization, increasing sales 2.4 times while keeping the number of employees almost constant, customer acquisition, sales, and philosophy-driven management.
What is JGBA (General Incorporated Association Japan Quality Builder Promotion Association)?
JGBA is an organization that aims to promote the development of the housing industry through study sessions and inspection tours, bringing together local construction companies, builders, and housing equipment-related businesses.