Minimalist Japanese interior with round window, natural light, and a low table, reflecting Saisei’s blend of tradition and modern design.
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Tradition

About Us

Since inception, Saisei has taken on the challenge of designing spaces that not only stand the test of time but evolve with it—enriching the lives of those who experience them.

BuildingwithPurpose

EST – 2022
OUR Mission

Our mission is to design with purpose, build with foresight, and lead with cultural intelligence. At Poche Group, we are committed to creating transformative environments that blend the richness of South Asian identity with the precision of Western design systems. By integrating AI, computational workflows, and sustainable technologies, we address both aesthetic ambition and real-world problems—such as climate resilience, flooding, and rapid urbanization. Every project is an opportunity to set a new benchmark in global architecture: emotionally resonant, environmentally responsive, and enduringly iconic.

OUR OBJECTIVES

To expand Poche Group’s global presence by securing and delivering landmark architectural projects across key regions—including South Asia, the Middle East, and the USA—while developing an integrated design ecosystem that includes research, fabrication, and technology labs. We aim to cultivate the next generation of architects and designers through mentorship, cross-cultural collaboration, and innovation-driven practice, positioning Poche as a thought leader in both design excellence and climate-conscious architecture.

OUR VISION

To lead a new era of global architecture where timeless design, advanced technology, and cultural synthesis shape a more resilient and beautiful world. Poche Group envisions a future where South Asian heritage and Western innovation come together to create meaningful spaces — spaces that not only inspire but also respond to the urgent challenges of our time, including climate change, rising sea levels, and urban flooding in vulnerable regions like Bangladesh.

OUrTeam

Team Member
Takahiro Watanabe
Founder & Lead Architect
Team Member
Yumi nakamura
Chief Sustainability Officer
Team Member
Keiko Suzuki
Senior Design Consultant
Team Member
Hiroshi Tanaka
Head of Project Management
Team Member
Riku Yamamoto
Lead Structural Engineer
Team Member
Aiko Fujimoto
Creative Director & Brand Strategist

WhatWeStandFor

Our Philosophy

Saisei is more than an architecturefirm—it’s a community united byshared values and a passion forsustainability. Our culture is rooted incontinuous learning, creativity, andan unwavering respect for tradition.

Inspired by Japan’s blend of culturalheritage and forward-thinkingtechnology, Saisei creates livingspaces that breathe, adapt, andregenerate—offering bothfunctionality and a lasting positiveimpact on urban landscapes.

Awards

Industry Recognition
1
World Architecture Festival
Sustainable Building – Completed Buildings
2021
2
Architizer A+
Best Firm – Architecture + Sustainability
2022
3
Green Good Design
Green Architecture
2022
4
Asia-Pacific Property
Best Residential Architecture – Japan
2022
5
Dezeen
Sustainable Building
2022
6
Japan Institute of Architects
Architectural Design Excellence
2022
7
MIPIM Asia
Best Green Development
2022
8
International Design Awards
Sustainable Living/Green Architecture
2022
9
Urban Land Institute - Asia Pacific
Excellence in Sustainability
2022
10
Global Future Design
Cultural Architecture
2022