Office Design-Build in Japan for Global Companies
Design, management, and construction — from concept to completion
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Office projects in Japan often involve building-specific requirements, landlord approvals, B-work costs, contractor coordination, and schedule constraints.
Berthier Associates manages these practical issues from the beginning, helping clients move forward with confidence.
Plan your office project in Japan with confidence
Discuss Your Office Project-
For over four decades, Berthier Associates has supported international companies with office planning, interior design, project management, and construction coordination.
This experience gives us a practical understanding of how projects are delivered — from early planning and budgeting to building coordination, construction supervision, and handover.
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Berthier Associates has completed more than 2,000 office projects, from small renovations to full relocations and large-scale fit-outs.
Our integrated service covers planning, design, budgeting, technical coordination, construction management, furniture, relocation support, and follow-up.
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Over the past 20 years, Berthier Associates has achieved a success rate of over 90% in invited office design competitions.
Our proposals combine design quality, workplace planning, technical feasibility, and realistic cost planning.
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Our bilingual coordination helps overseas headquarters, local management, building owners, contractors, suppliers, and site teams stay aligned.
We help clarify decisions, approvals, technical details, costs, schedules, and responsibilities from planning to handover.
Plan your office project in Japan with confidence
Discuss Your Office Project
A selection of companies we have worked with
Plan your office project in Japan with confidence
Company Data
- Company Name
- Berthier Associates Co., Ltd.
- Representative Director
- Dominique Berthier, Architecte DPLG
- Establishment
- 1984
- Business Description
- Office space consulting, project management, office interior design, construction services, custom furniture production, furniture supply, relocation management and maintenance services. .
- Capital
- JPY 28,800,000
- Address
- Daini Horiuchi Building 3F, 2-11-15 Akasaka, Minato-ku, Tokyo 107-0052.
- Contact Email
- the.berthier.team@berthier.co.jp
- Telephone
- +81 (0)3 3560 3300 (Takuya Yamada)
- Construction Business License
- Tokyo Governor Permission (Special-4) No. 106172
