Sumitomo headquarters details
Harumi, Tokyo, Japan
ward area of Tokyo
Tokyo
100-0004
Japan
1919
Location map
Open in Google MapsAll Sumitomo office locations
| City | State / region | Country | Type |
|---|---|---|---|
| ward area of Tokyo HQ | Tokyo | Japan | Headquarters |
About Sumitomo
Sumitomo (Tokyo Stock Exchange (JPX): 8053) is headquartered in ward area of Tokyo, Tokyo, Japan. Founded in 1919, the company operates across 14 countries with approximately 74,253 employees worldwide.
Where is Sumitomo's main office?
Sumitomo's main headquarters office is located at Harumi, Tokyo, Japan, ward area of Tokyo, Tokyo 100-0004. This serves as the company's primary corporate address and is home to its executive leadership team.
Sumitomo regional offices
Beyond its headquarters in ward area of Tokyo, Sumitomo maintains 29 offices across 14 countries. Regional offices span 14 countries.
Sumitomo contact information
The main switchboard for Sumitomo headquarters can be reached at 81362855000. For investor relations, visit sumitomocorp.com/ja/jp/investor-relations.
What does Sumitomo do?
With its global network and based on trust from companies in various industries and from consumers, Sumitomo Corporation engages in multifaceted business activities by making the most of its Integrated Corporate Strength. These business activities include sales of a variety of products and services within Japan, import and export, trilateral trade, and domestic and international business investment.
Frequently asked questions
Where is Sumitomo headquarters?
Sumitomo's headquarters is located at Harumi, Tokyo, Japan, ward area of Tokyo, Tokyo 100-0004, Japan.
How many offices does Sumitomo have?
Sumitomo operates 29 offices across 14 countries as of 2026.
What is Sumitomo's corporate address?
The official corporate address is Harumi, Tokyo, Japan, ward area of Tokyo, Tokyo 100-0004.
When was Sumitomo founded?
Sumitomo was founded in 1919 and has grown to employ approximately 74,253 people worldwide.
What is Sumitomo's phone number?
The main phone number for Sumitomo headquarters is 81362855000.