Circular E
Circular E

© 2025 Circular E

About Us

Circular E is a business design and consulting firm accelerating the circular economy.
We help manufacturers and municipalities rethink systems—minimizing waste and creating value—through circular models based on the 9R strategy.
By connecting regions and industries, we co-create practical solutions to design a future where value circulates.

Vision

Designing a future where value circulates.

Value

1.Re-Design the Future.

2.Learn together. Grow stronger.

3.Create together. Circulate value.

Founder

Eiji Yamamoto

Founder

Currently based in The Haag, Netherlands.
Eiji, founder of Circular E, studied briefly in the U.S. during high school.
After graduating from university, he joined Keyence, a leading FA company in Japan.
Over 29 years, he led domestic and international business development, helping improve productivity and operational efficiency at countless manufacturers, including global automotive firms.

While pursuing manufacturing efficiency, he encountered Europe's vision for a circular economy.
He realized that to protect global resources and the environment, industries must shift from mass disposal to circular systems.

In May 2025, he established Circular E in Tokyo, followed by a base in Rotterdam in Aug.
The company focuses on designing and scaling high-impact circular business models.
Eiji is dedicated to accelerating the circular transformation across regions, industries, and value chains.
Jun 2025, Verified Certificate for Circular Economy of Delft University of Technology.

Fellow

Keita Nagashima

Creative Strategist

After working on process improvement for major manufacturers at a global consulting firm, he transitioned into spatial design, leading office concept projects from proposal through execution.
Currently, he is involved in designing and facilitating workshops, building ecosystems, and supporting new business models through design.
His focus lies in creating value at the intersection of business, social impact, and creativity.

Yoshiyuki Date

Creative Director
Community Designer

Specializes in regional research & branding, community engagement, and has wide range of experience including  graphic design, digital media, film, product development, and spatial design, as both designer and creative director. Practice centers on collaboration with creators and artists to rediscover the cultural and industrial assets of local communities, and to build a sustainable system for storytelling and public engagement.

Company Profile

Company Name

Circular E

Corporate Number

7010403035057(Japan Head Office)

Representative

Eiji Yamamoto

Address

Rotterdam Office
Maasboulevard 100, 3063 NS Rotterdam The Netherlands

Tokyo Office
UCF635 Win Aoyama Bild2-2-15,Minamiaoyama
Minato ku Tokyo 107-0062, Japan

Founded

1,May 2025

Capital

2 million JPY

Services

  1. 1.Business consulting services in the field of circular economy
  2. 2.Planning, development, production, sale, and import/export of services related to circular economy consulting
  3. 3.Market research, market analysis, and the collection and analysis of marketing information
  4. 4.Support services for overseas business expansion
  5. 5.Introduction and matching of businesses related to circular economy projects
  6. 6.Consulting services related to human resource development and training
  7. 7.Planning, development, production, distribution, and sale of digital content
  8. 8.Contracted outsourcing services related to corporate management
  9. 9.Any and all businesses incidental or related to the above items

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