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Tokyo 21c Club

Tokyo21c Club located in world’s leading business district Marunouchi, managed by Mitsubishi Estate. It is a community specialized in open innovation where people from cutting-edge startups both inside and outside of the country and professionals from various field are gathered.

The club supports new business development through providing networking opportunities such as business events and seminars which are held over 200 times every year.

Extensive networking opportunities

Networking parties
Networking parties
Open events
Open events
Business Matching Event
Business Matching Event

Activities of Networking Groups

Activities of Networking Groups

Composed of leading individuals promoting innovative activities in their fields, each networking group holds meetings, seminars, conferences and social events.

Leading Network groups

Free Business Consultation Service

Tokyo 21c Club provides free consultation sessions to club members and for those who are introduced by the club member every month. Session covers various business issues and professionals in diverse fields will support you. It is not necessary to prepare perfect business plans or documents to have a session.
Consultation examples : Finance / Tax / Management Accounting / Law / Trademark / Patent / Management Consultation / New business development / Capital Policy / Funding / Business Alliance etc.

Membership structure

(As of February 2021)

Enterprise Companies
Executives of Startup
VC/Financial Institutions
Lawyers, accountants,
business producers
other specialists
University professors,
media-related individuals,

Tokyo 21c Club currently has around 600 members. The Club membership is made up of entrepreneurs, managers in charge of new business at major companies, and specialists in fields including intellectual property, funding, HR, law, accounting, business producers and academics.

About the facilities

Collaboration space

Collaboration space

Typically used for work, this space can be booked for events, parties and other functions (up to around 100 people).

Ginga Blue

Ginga Blue

Meeting room for 4 people. Ginga Blue 1 and 2 can be connected to make a charged meeting room for 8 people. (no charge)



Meeting room for 8 people. (fees apply)

Rosewood 1・2

Rosewood 1・2

For 8 to 10 people (fees apply). Rosewood 1 and 2 can be connected to make one large meeting room. (fees apply)

Room G

Room G

Meeting room for 4 people. (no charge)

Room S

Room S

Japanese-style meeting room for 4 to 6 people. (no charge)



Reserving meeting rooms, greeting visitors. English assistance available.

Charged services

※Meeting rooms and Collaboration space are available only to EGG JAPAN office users and club members.


Lunch, dinner, various party dishes

Member comments

  • Mr. Koji Takagi Mr. Koji Takagi

    Celebrain Co., Ltd.

    Koji Takagi

    Involved with the establishment of ENTRE, Japan's first independent entrepreneurial business magazine when he worked as the business manager and chief editor for Recruit Holdings. A known trend-setter in the entrepreneurship boom in Japan. Has an extensive network of entrepreneurs and startup business supporters.

    View Profile

  • Mr. Hiroshi Terunuma Mr. Hiroshi Terunuma

    Nippon Venture Capital Co., Ltd.

    Hiroshi Terunuma

    A startup capitalist with a wealth of experience and a supportive human nature who has a passion for helping startup businesses find their feet.

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  • Tsubasa Ishizuka Tsubasa Ishizuka

    surumi. Inc.

    Tsubasa Ishizuka

    Tsubasa Ishizuka founded the company while attending university. She handles development and marketing of products using artificial intelligence and facial expression analysis in a field of mental health.

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  • CEO Mamoru Masumoto CEO Mamoru Masumoto

    TrueBizon, Ltd.

    CEO Mamoru Masumoto

    Entrepreneur. Since he first encountered drones in 2015, he has taken a lead role in industrializing drone businesses by operating shops and schools in Kyushu with the aim of creating a new distribution style by utilizing the sky.

    View Profile

Apply For Club Membership

Membership policy

  1. Managers of either domestic or overseas growing companies or start-up companies with advanced business model or technologies.
  2. Mentor or professionals in diverse fields (Lawyer, Accountant, Venture Capital, Media, etc.) who offersthe support of growing companies or start-up companies in 1. above.
  3. * For those who are introduced by our club member: Please fill in the name of our club member in “Member who introduced you to us” in the form.