Japan’s No.1 in Walls.
Connecting Japan’s Design Expertise with the World.
Union Tec is a Japan-based interior design company with 30 years of experience and one of the country’s leading track records in design and construction. We also operate Japan’s No.1 CG rendering service and have built an extensive network of designers across Japan.
Combining interior design with art, AI, and CG technology, we create spaces that enhance user experience, add value, and support our clients’ business success.
About Union Tec
SELECTED CLIENTS ACROSS REAL ESTATE, HEALTHCARE, RETAIL, AND COMMERCIAL INTERIORS.
From offices and hotels to restaurants, clinics, and residences, Union Tec provides comprehensive interior design and build services. We create spaces that enhance user experience and business value.
Our Service
Union Tec provides comprehensive spatial solutions across interior Design & Build, CG rendering, and art sales and promotion. Our interior services cover a wide range of spaces, including clinics, residences, hotels, restaurants, and offices.
CG Rendering
Our CG rendering service transforms design ideas into clear, high-quality visual experiences. Combining extensive expertise with advanced technology, we support designers in bringing their visions to life.
We connect art with everyday spaces through the sale, curation, and promotion of artworks. By integrating art into offices, hotels, restaurants, and other environments, we create new value and experiences.
Us In Numbers
Our experience and expertise, reflected in numbers across design, CG rendering, and art.
3,000+
Spaces Designed / Year
12,000+
CG Renderings / Year
150+
Artworks Purchased & Sold / 6 Months
Some of Our Designs
Space with Meaning. For Humanity.
Our work spans offices, hotels, restaurants, clinics, residences, commercial spaces, and art. Across every project, we create spaces with purpose—designed around people, experience, and lasting value.
TOY 8
Commercial spaces / Malaysia
Luxury House | City-O1
Residential / Sajima
IGOODS CO., LTD.
Office / Tokyo
HOUSE in OSAKA
Architecture / Osaka
Hotel Conversion Project
Hotel / Kamakura
Beijing Noodle No.9
Restaurant / Beijing
La villa Hiro-o
Clinic / Tokyo
Art
Our Capabilities
Client-Centered Hospitality
Guiding every project forward with speed, clarity, and what best serves the client.
Design from the Core
Shaping spaces that reveal what matters and serve their purpose.
Evolving Technology
Adopt, refine, and share forward.
Uncompromising Quality in Execution
On-site expertise, with no compromise on quality.
01 — ART SOURCING & SALES
Through one of the world’s leading art markets, we work closely with our New York partners to discover and source distinctive artworks.
We bring these unique works to Japan and across Asia, using art to transform spaces and create greater value.
02 — GLOBAL ARTIST SUPPORT
Through our network of more than 300 artists, we support Japanese artists in expanding their presence internationally.
With exhibitions in New York and Brooklyn, we create opportunities for artists to connect with new audiences and take the next step onto the global stage.
UNION TEC & ART
What we do in New York
Our New York office connects art between Japan and the U.S. by discovering and sourcing artworks and supporting Japanese artists in reaching international audiences. Through partnerships in both markets, we create new opportunities for art to cross borders.
New York team
Our Team
Japan team
Tetsuya Kimura
General Director
Tomiko Yazawa
General Manager
Kei Yamano
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Senior Manager
Xinyu Zhao
Designer
Yusuke Okawa
Founder and CEO
Takeru Otaka
General Director
Yasuaki Akaeda
General Director
Atsuko Tanabe
Senior Manager
Blog
Explore expert insights, creative ideas, and the latest trends in architecture and interior design. Discover how thoughtful design can transform spaces into timeless works of art.
