Let's Start the Conversation

Whether you are an investor exploring opportunities in Japan, a property owner seeking operational support, or a business looking to improve and grow, DDJ Group is here to help.

Our team provides support across hospitality operations, restaurant management, real estate, technology solutions, and business development. We take a practical, hands-on approach and work closely with our clients to understand their goals and deliver solutions tailored to their needs.

We welcome inquiries from investors, business owners, partners, and organizations interested in learning more about our services.

Contact Information

Please reach out using the contact form below or contact us directly using the information provided.

THE OFFICE

Diamond Design Japan Co., Ltd.

Akai Building 5F, Taihei, 3 Chome−11−2, Sumida City, Tokyo, Japan, 〒130-0012

TEL: +81 3 6658 8596

AREAS OF INQUIRY

  • Hospitality Operations
  • Restaurant Operations
  • Real Estate & Investment Support
  • Business Technology Solutions
  • Business Development & Turnkey Support
  • Partnerships & Collaborations
  • General Inquiries

EMAIL

General Inquiries: info@diamond-design.co.jp

Careers & Recruiting: recruit@diamond-design.co.jp

BUSINESS HOURS

Monday – Friday   10:00 – 17:00

Sat&Sun  Closed

*Closed on Japanese Public Holidays

We look forward to hearing from you and exploring how DDJ Group can support your next project.