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Since our founding in 1976, Kotobuki Densetsu has expanded from Kyoto to Osaka, Nagoya, and Tokyo. As a comprehensive engineering company, we have developed facilities and communications infrastructure for companies in Japan and abroad. From telecommunications and electrical installations to IT infrastructure and staffing services, we support the foundations of business.
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We also undertake advanced projects, including hyperscale data center expansions. With specialist expertise in network and electrical installation work, we provide end-to-end support from design through construction.
Data Center Construction Business
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From small and medium-sized enterprises to major corporations, airport-related facilities, and public facilities, we provide one-stop support for network infrastructure, from design through construction.
Network Equipment and IT Infrastructure Development
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We contribute to society through staffing solutions that support IT technologies and create meaningful connections between businesses.
Worker Dispatching Business
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We provide end-to-end support for surveillance camera systems, including design, installation, and configuration. We comprehensively support the safety management of your facilities.
Solution Business
Projects
We have an extensive track record in environments where reliability is essential, including major corporations, airport-related facilities, and public cultural facilities.
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- Electrical Construction
- Network Construction
Modernization of Security Cameras and Wi-Fi Equipment in a Shopping Arcade in Kyoto
- Security Cameras
- Wi-Fi
- Installation of People-Counting Sensors
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- Network Construction
Construction of Airport Network Infrastructure for a Major Airline
- Construction of Network Infrastructure for Airport Facilities
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- Network Construction
Innovative People-Counting Sensor Installation at a Public Art Museum in Kyoto
- Installation of People-Counting Sensors
About Us
We provide optimal solutions to our customers based on the latest IT
We accurately capture global IT technology trends and the unique needs of Japanese society, boldly challenging the further diversification of the telecommunications field and continuously adapting to change.
We offer a wide range of services such as Internet, business phone lines, disaster prevention radio and other telecommunication-related equipment, network construction, and various types of electrical work.
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Over 50 Years of Trust and Proven Experience1976 Founded in
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Construction Licenses 特定建設業/一般建設業/一般建設業21 Business Areas
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Telecommunications and Electrical Installation–Related Certified Professionals55 Professionals on Staff







