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Gran Tokyo South Tower
Gran Tokyo South Tower
Gran Tokyo South Tower
Gran Tokyo South Tower
Gran Tokyo South Tower

Gran Tokyo South Tower

Gran Tokyo South Tower 11th Floor, Chiyoda City, TOKYO 100-6690

JustCo
5 4 reviews
Contact Property

Located on the 11th floor, JustCo Gran Tokyo South Tower (Marunouchi) is directly connected to Tokyo Station, providing unparalleled convenience to JR trains, Tokyo Metro, the Shinkansen bullet train and airport express services.

To meet the diverse needs of business professionals, we offer premium working spaces that blend sophistication and comfort in Grade A commercial complex buildings directly connected to major terminal stations such as Tokyo, Shibuya, and Shinjuku stations.

24/7 security
Business address
High-speed internet
IT support
Professional & social events

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Available Workspaces

Meeting Room

Contact for pricing
1 to 120

Private Office

Contact for pricing
2 to 26 desks

Coworking Membership

from JPY¥49,500/month

Dedicated Desk

Contact for pricing

Event Space

Contact for pricing

Business hours

Monday

from 9:00 am to 6:00 pm

Tuesday

from 9:00 am to 6:00 pm

Wednesday

from 9:00 am to 6:00 pm

Thursday

from 9:00 am to 6:00 pm

Friday

from 9:00 am to 6:00 pm

Saturday

Closed

Sunday

Closed

Gran Tokyo South Tower 11th Floor, Chiyoda City, TOKYO 100-6690

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Reviews

5
View all 4 reviews on Google
1

うまいものでてこいや

Oct 07 2025

Security is a problem. We recently started using it as an office, but one night, the door to the shared space was left open by a chair. A man later fixed it, but we're told he was not an employee. When the door is left open, outsiders can pass through the shared space and access many of the company's booths. It's terrifying. Normally, it's auto-locked and only members can enter. I heard that the air conditioning in the shared space turns off at a certain time, so they leave the door open to let in the air from the air conditioner in the hallway, and then they just go home with the door open. Someone with such unreasonable behavior is a real problem, and it's a company-wide issue that makes it even worse. What if theft were to occur in a situation like this? What's more, it seems like the door is left open frequently. The staff say they are careful, but there are no warnings or anything like that. They put up signs in the shared space, etc. The security guard on duty in the building said he can't say anything because it's a shared space. It's a shame, as the building had good reviews. If they don't improve this aspect, I will leave this post up forever. By the way, the man said he would report it to the staff, but if nothing has changed now, that's probably not going to happen. Those who are actually using it as an office should be careful until it's improved.

5

I SHO

Dec 11 2024

I went there because it was newly opened. It's a great place to work!

5

Seira Ito

Oct 10 2023

You can enjoy an open view from the 11th floor, and the furniture and amenities, such as desks and sofas, have a luxurious feel. The staff are all wonderful, so I am always able to work comfortably.

Frequently Asked Questions

  • Want to get a feel for the workspace before signing up? Schedule a tour to experience Gran Tokyo South Tower and envision your workday in this dynamic environment. All you need to do is fill out this form, indicating your preferred date and time, and we'll be happy to host you.

  • Adaptability is at the core of coworking, so membership options are always designed to cater to your changing work requirements and team dynamics. Most spaces offer month-to-month memberships, enabling you to adjust your workspace to your changing needs. Whether your business is growing or downsizing – or you just want to upgrade to a more private setting – you always have the flexibility to make the changes you need.

    While your membership agreement may have specific terms regarding changes, don’t hesitate to reach out to JustCo to discuss accommodating your adjustments.

  • For spontaneous collaboration and interaction, open desks provide an open and flexible environment. If you prefer a dedicated space with shared community elements, dedicated desks offer a great balance between personal space and interaction.

    On the other hand, private offices are best suited for focused work and private interactions. They're ideal for solo workers as well as teams seeking a dedicated space, shielded from distractions.

    Choosing the ideal coworking arrangement for you is about aligning your workspace with your work style, team dynamics, and project requirements.

  • Whether you're a day pass holder or a monthly member, you can access most amenities. Meeting rooms do require prior scheduling, and private offices are reserved for those with subscriptions. However, the lounge, kitchen, and breakout spaces are open to all. Complimentary services are also available regardless of membership tier, while ancillary services can be purchased separately or negotiated with JustCo.

  • Gran Tokyo South Tower operates during regular business hours, as indicated above. For access outside of these hours, please contact the operator directly to inquire about any available options.

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