Tosoh headquarters details
- City
- Tokyo
- State / region
- Tokyo Prefecture
- ZIP / postal code
- 104-8467
- Country
- Japan
- Phone
- +81 3 5427 5118
- Founded
- 1935
- Website
- tosoh.com
- Stock
- JPX: 4042
Location map
Open in Google MapsAll Tosoh office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Tokyo HQ | Tokyo Prefecture | Japan | Headquarters |
Showing the headquarters of 15 recorded locations. See every location in GraphIQ →
About Tosoh
Tosoh (JPX: 4042) is headquartered in Tokyo, Tokyo Prefecture, Japan. Founded in 1935, the company has 15 recorded locations across 2+ countries and employs approximately 14,813 people worldwide.
Where is Tosoh's main office?
Tosoh's main headquarters office is located at Tokyo, Tokyo Prefecture 104-8467, Japan. This is the company's primary corporate address.
Tosoh regional offices
Beyond its headquarters in Tokyo, Tosoh has recorded locations in Japan and United States.
Tosoh contact information
The main switchboard for Tosoh headquarters can be reached at +81 3 5427 5118. Official website: tosoh.com.
What does Tosoh do?
is a global chemical and specialty materials company. The company was founded in 1935 in Yamaguchi Prefecture, as Toyo Soda Manufacturing Co., Ltd., and changed its name to Tosoh Corporation in 1987. Today, its corporate headquarters are in Tokyo, Japan.
Tosoh competitors & similar companies
Frequently asked questions
Where is Tosoh headquarters?
Tosoh's headquarters is located at Tokyo, Tokyo Prefecture 104-8467, Japan.
How many offices does Tosoh have?
GraphIQ records 15 locations for Tosoh across 2+ countries, as of October 2026.
When was Tosoh founded?
Tosoh was founded in 1935 and employs approximately 14,813 people.
What is Tosoh's phone number?
The main phone number for Tosoh headquarters is +81 3 5427 5118.
How many employees does Tosoh have?
Tosoh has approximately 14,813 employees (GraphIQ estimate, 2026).
Is Tosoh a public company?
Yes. Tosoh is publicly traded on JPX under the ticker 4042.