
Business Lineup
Line of Business
・Renewable energy business
・Civil and architectural project(Planning, Designing, Construction)
・Plant project(Planning, Designing, Construction)
・Environment business, Management
Business Overview
Our company is an engineering firm that provides integrated services covering every stage from planning and design to construction, product development and manufacturing, as well as maintenance and asset management.
We deliver optimal solutions across a wide range of fields, including renewable energy, civil engineering, building construction, plant engineering, and electrical works.
Integrated System (Full Turnkey Services)
Our greatest strength lies in our ability to manage every phase of a project in-house, from the initial planning stage through construction and manufacturing.
By integrating design, construction, and the manufacturing of construction materials within a single framework, we achieve optimization in quality, cost, and project schedules.
Business Fields
Renewable Energy Business
We provide integrated services centered on solar power generation, covering planning, design, construction, and electrical works. Our solutions are designed to achieve both high power generation efficiency and economic viability.
Civil Engineering & Construction Business
We support projects ranging from infrastructure development to foundation engineering, building design, and construction. We deliver optimal planning and execution tailored to diverse project conditions.
Plant Engineering Business
We provide structural design, construction, product fabrication, and electrical works for various types of industrial plants, ensuring high standards of safety and quality.
Environmental & Maintenance Services
In addition to environmentally conscious design and construction, we provide ongoing support for facility maintenance and asset management.
Product Development & Manufacturing
We develop and manufacture solar mounting structures as well as aluminum alloy and steel construction materials, delivering products optimized to meet on-site requirements.
Specialized and Experienced Business
| Plan & Design | PPP Site planning/a range of structural design/support for examination of Ministry of Economy, Geological survey, Consideration of construction streamlining, Design of building foundation |
| Construction | Construction of PPP, High-Standard forest road maintenance project, Riverbank reinforcement project, Airport facility maintenance work, Arterial high-standard highway maintenance work, Box culvert work, Retaining wall work, Large scale earthwork, Shield tunnelling work, Demolition work |
| Product Development | Development of products of rack systems for PV, Building materials made of aluminum alloys, Steel building materials |
| Procurement | Racks and products for PV, Construction Materials |
| Project Management | Project total management、Supervision of construction, Design check |
| Organization Management & Operation | Control of maintenance |
Our Strengths
KAI ARCHITECT is established after gaining experience widely in construction business for more than 20 years.
We provide services by full turnkey and also have advantages of “designing + construction” and “ designing + construction material”
Our strengths include the following:
- Integrated in-house system combining design, construction, and manufacturing
- Extensive experience in renewable energy and infrastructure sectors
- Strong capability to execute projects requiring high quality standards

Contact Us
Should you have any questions or concerns regarding this matter, please feel free to contact us from here.
