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Greetings from founder

I met a British mechanical engineer in Singapore where I stayed for business related to construction for 3 years from 1983. That was the first time that I recognized the job of mechanical and electrical quantity surveyor (M&E QS) and learned that “M&E QSs” are required to possess extensive expertise and their job covers a wide range of tasks. At that time, in Japan, each mechanical and electrical facility engineer engaged in all the tasks involved, ranging from design to quantity surveying and management of construction, meaning that the division of labor was not promoted. I decided to establish my own company as I felt that labor division would be propelled eventually in design, quantity surveying, and construction management for building facilities, like in construction works. While SANTEC has grown as the industry’s pioneer in the fields of quantity surveying and estimation for building facilities, we will strive to become able to provide products as a cost consultant for building facilities in the global business environment in the construction industry.
Masakazu Sannomiya

Company philosophy

For human development, prosperity of company’s business, and livable society

Company profile

Address 4th floor, Kairaku Building Shin-okachimachi, 4-16-8 Taito, Taito-ku, Tokyo 110-0016
Contact TEL: +81-3-3834-3013 (main) / FAX: +81-3-3834-3014 /
Website address
Foundation February 1992
Capital JPY10 million
Executives CEO Masakazu Sannomiya
President Kazuyoshi Higashida
Director Yuji Hasegawa
Auditor Akitoshi Sato
Number of employees 26 (as of 2021)
Financing bank Mizuho Bank Inaricho Branch
Main businesses Quantity surveying according to design information (drawings and specifications)
Approximate culculation of facility installation work costs
Detailed culculation of facility installation work costs
Planning of long-term repair of building facilities
Analysis of cost factors
Third-party assessment of estimates for facility installation works
Organization membership Japanese Association of Quantity Surveyors (JAQS)
Supporting member Building Surveyor’s Institute of Japan (BSIJ)

4th floor, Kairaku Building Shin-okachimachi, 4-16-8 Taito, Taito-ku, Tokyo 110-0016
・4-minute walk from Oedo Line/Tsukuba Express “Shin-kachimachi Station”
・6-minute walk from Hibiya Line “Naka-okachimachi Station”