ONE headquarters details
- Street address
- Shinjuku 4-3-25 TOKYU REIT Shinjuku Building 4F
- City
- Tokyo
- State / region
- Tokyo Prefecture
- ZIP / postal code
- 160-0022
- Country
- Japan
- Phone
- +81 120 186 940
- Founded
- 2004
- Website
- one-group.jp
Location map
Open in Google MapsAll ONE office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Tokyo HQ | Tokyo Prefecture | Japan | Headquarters |
Showing the headquarters of 2 recorded locations. See every location in GraphIQ →
About ONE
ONE is headquartered in Tokyo, Tokyo Prefecture, Japan. Founded in 2004, the company has 2 recorded locations and employs approximately 350 people worldwide.
Where is ONE's main office?
ONE's main headquarters office is located at Shinjuku 4-3-25 TOKYU REIT Shinjuku Building 4F, Tokyo, Tokyo Prefecture 160-0022, Japan. This is the company's primary corporate address.
ONE contact information
The main switchboard for ONE headquarters can be reached at +81 120 186 940. Official website: one-group.jp.
What does ONE do?
One is a recruitment and creative services company that offers recruitment advertising, temporary staffing, and creative services.
Frequently asked questions
Where is ONE headquarters?
ONE's headquarters is located at Shinjuku 4-3-25 TOKYU REIT Shinjuku Building 4F, Tokyo, Tokyo Prefecture 160-0022, Japan.
How many offices does ONE have?
GraphIQ records 2 locations for ONE, as of October 2026.
What is ONE's corporate address?
The corporate headquarters address is Shinjuku 4-3-25 TOKYU REIT Shinjuku Building 4F, Tokyo, Tokyo Prefecture 160-0022, Japan.
When was ONE founded?
ONE was founded in 2004 and employs approximately 350 people.
What is ONE's phone number?
The main phone number for ONE headquarters is +81 120 186 940.
How many employees does ONE have?
ONE has approximately 350 employees (GraphIQ estimate, 2026).