Ai Construction provides a wide range of services for both international and domestic clients—covering everything from property checks and apartment renovations to nationwide construction advisory.

Whether you are planning to renovate your property in the Kanto region or need professional support for projects in other areas of Japan, our multilingual team is here to help.

1. New Construction (Kanto Region)

We design and build various new construction projects in: Tokyo / Saitama / Kanagawa / Chiba

Specialties include:

• 4–5 story fire-resistant timber buildings (our signature expertise)
• Apartment buildings for investment
• Custom-designed houses & villas
• Clinics, shops, and small commercial buildings
• Mixed-use properties

2. Renovation (Kanto Region)

We handle full renovations and remodeling in the Kanto region.

Services include:

• Apartment & house renovation
• Office renovation & fit-out
• Layout changes
• Kitchen, bathroom, and interior upgrades
• Property checks before purchase

3. Nationwide Construction Advisory

For projects outside the Tokyo/Kanto region—Osaka, Fukuoka, Sapporo, Nagoya, Hiroshima, Karuizawa, resort areas, and more—we provide:

• Local contractor matching & screening
• Plan and cost review
• Renovation feasibility checks
• Owner’s Representative support
• Support for both business projects (office/retail) and private projects (villas/residences)

• International homeowners and villa owners
• Investors purchasing property in Japan
• Foreign companies opening offices in Japan
• Clients who need English/French/Japanese support

• Multilingual (English / Japanese / French)
• Licensed Construction Company
• Licensed Real Estate Company
• First-Class Architect Office
• 300+ new-builds and renovations
• Trusted by international clients across Japan

If you’re planning a renovation, new office, or villa project in Japan, feel free to reach out.
We’ll help you take the next step with clear, reliable guidance.