Office profile
Sumitomo Corporation Headquarters & offices · Tokyo, Japan
Sumitomo Corporation · Tokyo, Japan
An office built to create “chance encounters” — with a canteen that turns into a pub, a clinic and massage room upstairs, and no core hours from 5 a.m. to 10 p.m.
The Otemachi head office, the perks and a century of moves from Osaka to Tokyo — then the business. Every number from Sumitomo Corporation's own website, ESG data, recruiting site and its designers' project pages.
- ≈ 3,000people working at the Otemachi head office
- 5:00–22:00super-flex hours, no core time
- 18.3 yearsaverage time at the company (FY2025)
- 2.0%full-time employees who left in FY2025
Sources: Official YouTube office tour (Enriching+) · sumitomocorp-recruiting.com (Employee Benefits) · Social data, sumitomocorp.disclosure.site (FY2025)
Companies / Japan / Trading & Investment / Sumitomo Corporation
THE HEAD OFFICE · OTEMACHI PLACE EAST TOWER · 2018
“An office that creates chance encounters”
Sumitomo Corporation moved its head office to Otemachi Place East Tower in September 2018 and, for its 100th anniversary in 2019, rebuilt the way it works there. The concept is an office scattered with “kikkake” — chances for people to meet and connect, so that individual strengths add up to the strength of the organisation. Employees use free-address desks; the CO CAFE combines the employee canteen, a café and a pub with space for solo work, meetings and events; and an Open Innovation Lab brings together people from across departments.
- Free address (hot desks)
- CO CAFE: canteen + café + pub
- In-house clinic (internal medicine and dentistry)
- Massage room in the building
- Interior design: Nikken Sekkei (2018)
- ≈ 3,000 people in the office
The Otemachi head office (Nikken Sekkei, 2018)
Sumitomo Corporation moved its head office to Otemachi Place East Tower in September 2018, with interiors designed by Nikken Sekkei and furniture and carpet by Sumisho Interior International.
Lounges, meeting rooms and CO CAFE
The office is meant to create “kikkake” — chances for people to meet — and the CO CAFE combines the employee canteen, a café and a pub.
The 18th-floor new-business area (SAKUMAESHIMA, 2023)
SAKUMAESHIMA redesigned the 18th floor for a new-business department in March 2023, with five meeting areas and fully movable furniture.
Facts: sumitomocorp-recruiting.com Office Tour and Employee Benefits · Enriching+ video “Take a Tour of the Sumitomo Corporation Head Office” (Nov 6, 2024) and its official YouTube description · Sumisho Interior International project page “Sumitomo Corporation Tokyo head office relocation to Otemachi”
One tower in Otemachi, by the Nihonbashi River
| Building | Address |
|---|---|
| Otemachi Place East Tower (head office) | 3-2 Otemachi 2-Chome, Chiyoda-ku, Tokyo 100-8601, Japan |
| Sumitomo Corporation Global Human Resources Development Center (training) | Ginza, Chuo-ku, Tokyo |
Source: sumitomocorp.com Corporate Profile · Notice of head office relocation (2018) · sumitomocorp-recruiting.com Office Tour · See them on the map ↓
Source: UR (Urban Renaissance Agency) project page “Otemachi Place” · Sumisho Interior International project page · SAKUMAESHIMA project page “Sumitomo Corporation Head Office 18F”. The East Tower is shared with other tenants; Sumitomo Corporation does not publish how much of it it uses.
Office tour videos
Benefits (Sumitomo Corporation, Japan)
No core time: employees set their own start and finish anywhere between 5 a.m. and 10 p.m.
From home or several hundred contracted satellite offices (not in the first year for new graduates).
Health-insurance subsidy for a full checkup from age 35, plus up to ¥10,000 each for breast and cervical cancer screening.
A Sumitomo Corporation clinic (internal medicine and dentistry) and a massage room with professional staff in the head office building, plus a counseling center usable during work hours.
The company helps pay for treatment outside public health insurance, including advanced and not-yet-approved therapies — not only for cancer.
Paid absence 6 weeks before and 8 weeks after birth; childcare leave can be extended until the child turns 2.
Until the end of elementary school; 10 days if there are two or more preschool children. Spouses get 5 paid days around a birth.
Up to 30 paid days per event to care for a spouse, parent or child, and up to 365 days of care leave.
Source: sumitomocorp-recruiting.com Employee Benefits (information as of November 2023). Also offered: defined-benefit pension, an employee shareholding association with a company incentive, a cafeteria-plan point system and 5 days of volunteer leave a year.
Why people stay: what Sumitomo Corporation itself says
Average years of service at the parent company in FY2025: 18 years 3 months (men 18y 10m, women 16y 7m).
Share who left for personal reasons in FY2025; total turnover of full-time employees was 2.0%.
Employees on overseas assignments in FY2025, plus 57 on overseas training.
Average hours of head-office-run training per employee in FY2025; LinkedIn Learning added from FY2024.
Share of male employees who took childcare leave or leave for childcare purposes in FY2025; 99% of parents returned after childcare leave.
Employees who left to follow a transferred spouse can apply to return, up to about four and a half years after leaving.
Source: Social data (ESG data), sumitomocorp.disclosure.site, FY2025 · sumitomocorp-recruiting.com Employee Benefits (Nov 2023)
Who works here
employees in the whole group (FY2025)
of managers are women
of new graduate hires were women (100 hires)
average paid leave taken a year
Source: Social data (ESG data), sumitomocorp.disclosure.site, FY2025 · Corporate Profile, sumitomocorp.com. Shares by gender calculated by eciffo (3,578 men, 1,360 women).
Office history: from an Osaka harbour company to Otemachi
- 1919 Osaka North Harbour Company
Sumitomo Corporation began on December 24, 1919 as Osaka Hokko (Osaka North Harbour), a real-estate company that reclaimed and developed land around Osaka's north port. Its head office was in an annex of the Sumitomo head office — the former Teikokuza theatre.
Source: sumitomocorp.com History and Corporate Profile · photo caption courtesy of the Sumitomo Historical Archives
No free-to-use photo found yet.Have one? We’d love to add it. - 1945 From real estate to trading
After merging with Sumitomo Building in 1944, the company was renamed Nippon Kensetsu Sangyo (Nippon Engineering) in November 1945 and moved into trading, partly to give work to Sumitomo staff returning after the war. Its design department later became today's Nikken Sekkei.
Source: sumitomocorp.com History · Annual Report 2016 “Our History” · Nikken Sekkei corporate history 5-1
No free-to-use photo found yet.Have one? We’d love to add it. - 1952 The Sumitomo name returns
When the ban on the Sumitomo name ended, the company became Sumitomo Shoji Kaisha. In 1978 its English name changed to Sumitomo Corporation.
Source: sumitomocorp.com History · Annual Report 2016 “Our History”
No free-to-use photo found yet.Have one? We’d love to add it. - 1970 A new building at Takebashi — two head offices
A new Sumitomo Shoji Building was completed at Takebashi in Tokyo, and the company ran two head offices, one in Osaka and one in Tokyo.
Source: sumitomocorp.com History
No free-to-use photo found yet.Have one? We’d love to add it. - 2001 One head office at Harumi Triton Square
The “Osaka Head Office” and “Tokyo Head Office” were abolished and all head-office functions moved to Harumi Triton Square in Chuo-ku, Tokyo — a ¥300 billion development led by Sumitomo Corporation itself, then the largest commercial development project in Japan.
Source: Annual Report 2016 “Our History” · sumitomocorp.com History
Harumi Island Triton Square, Chuo-ku, Tokyo (head office 2001–2018) · Tak1701d / Public domain · Wikimedia Commons - 2018 Otemachi Place East Tower
To change the way it works, the company moved its head office to Otemachi Place East Tower, 2-3-2 Otemachi, starting work there on September 18, 2018. Nikken Sekkei designed the interiors.
Source: sumitomocorp.com Notice of head office relocation (2018) and History · Sumisho Interior International project page
No free-to-use photo found yet.Have one? We’d love to add it. - 2019 100 years, and an office for chance encounters
For its 100th anniversary the company rebuilt its working environment, and the head office was reborn as “an office that creates kikkake” — chances for people to meet and connect.
Source: sumitomocorp-recruiting.com Office Tour · sumitomocorp.com History
No free-to-use photo found yet.Have one? We’d love to add it. - 2023 A new canteen and a new-business floor
The employee canteen was renewed in 2023 as part of the CO CAFE, and SAKUMAESHIMA redesigned the 18th floor for a new-business department, with five meeting areas and fully movable furniture (completed March 2023).
Source: Official YouTube office tour description · sumitomocorp-recruiting.com Employee Benefits · SAKUMAESHIMA project page
No free-to-use photo found yet.Have one? We’d love to add it.
Map: how the headquarters moved
From Osaka's harbour to three Tokyo addresses: Takebashi by the Imperial Palace, the Harumi waterfront and now Otemachi, a few hundred metres north of Tokyo Station.
- 1 · 1970Sumitomo Shoji Building, Takebashi — New building at Takebashi; Tokyo head office alongside Osaka
- 2 · 2001Harumi Triton Square — All head-office functions consolidated in Harumi, Chuo-ku
- 3 · TodayOtemachi Place East Tower — Head office since September 2018, 2-3-2 Otemachi, Chiyoda-ku
Addresses: sumitomocorp.com History, Notice of head office relocation (2018), Corporate Profile · Annual Report 2016 · Locations: eciffo from the place names and street address. The 1919 Osaka office is not mapped because no street address is published.
What Sumitomo Corporation does
Sumitomo Corporation is an integrated trading and investment company. Using its global network, it sells a wide range of products and services, handles imports, exports and trade between third countries, and invests in businesses in Japan and abroad.
Since April 2024 the business is organised into strategic business units under nine business groups.
Source: sumitomocorp.com Annual Data: Financial Highlights (FY2025) · Corporate Profile
Growth: revenue vs. people
¥1.01T → ¥1.51T
74,253 → 82,488
Fiscal years end March 31 (FY2025 ended March 31, 2026). The bars show gross profit, not revenues, because gross profit is the top-line figure in Sumitomo Corporation's own financial highlights. Gross profit: sumitomocorp.com Annual Data: Financial Highlights (IFRS). Employees: Social data (ESG data), consolidated. Multiples calculated by eciffo.
Chief executives
Representative Director, President and CEO since April 2024. Joined in 1982 and came up through tubular products and energy, including heading Sumitomo Corporation of Americas.
President and CEO from April 2018 — the year of the move to Otemachi; Chairman of the Board since April 2024. Joined in 1984.
The company traces its roots to Osaka Hokko (Osaka North Harbour), founded on December 24, 1919. Its trading business, started in 1945, was built up by Shunya Toji, later the first president of Sumitomo Shoji. The Sumitomo business spirit goes back to founder Masatomo Sumitomo.
Source: sumitomocorp.com Management (brief histories of Shingo Ueno and Masayuki Hyodo) · History · Corporate Profile
Sumitomo Corporation: questions people ask
Where is Sumitomo Corporation's headquarters?
In Otemachi Place East Tower, 3-2 Otemachi 2-Chome, Chiyoda-ku, Tokyo. It is a 3-minute walk from Exit A5 of Otemachi Station and 7 minutes from the Marunouchi North Gate of Tokyo Station.
Source: sumitomocorp.com Corporate Profile · Notice of head office relocation (2018)
When did Sumitomo Corporation move to Otemachi?
The head office moved from Harumi Triton Square to Otemachi Place East Tower in 2018, with work starting there from September 18, 2018.
Source: sumitomocorp.com Notice of head office relocation (2018) · History
Who designed Sumitomo Corporation's office?
Nikken Sekkei designed the interiors of the Otemachi head office, with furniture, fittings and carpets supplied by Sumisho Interior International. In 2023 SAKUMAESHIMA redesigned the 18th floor for a new-business department.
Source: Sumisho Interior International project page · SAKUMAESHIMA project page
How big is Otemachi Place East Tower?
32 floors above ground and 3 below, 161.97 m tall, with a total floor area of 152,363 m² (about 1.64 million sq ft). It was completed in August 2018 and is shared with other tenants.
Source: UR (Urban Renaissance Agency) project page “Otemachi Place”
What is the office like inside?
Free-address desks, an Open Innovation Lab for people from different departments, and the CO CAFE — an employee canteen, café and pub in one, also used for solo work, meetings and events. About 3,000 people work there.
Source: sumitomocorp-recruiting.com Office Tour and Employee Benefits · Official YouTube office tour
Does Sumitomo Corporation allow remote work or flexible hours?
Yes. Its super-flex system has no core time: employees can start and finish any time between 5:00 and 22:00. Telework from home or several hundred contracted satellite offices is allowed up to 3 days a week (not for new graduates in their first year).
Source: sumitomocorp-recruiting.com Employee Benefits
What benefits does Sumitomo Corporation offer?
In Japan: an in-house clinic and massage room, up to ¥80,000 for health checkups from age 35, help with treatment outside public insurance, paid maternity leave of 6 + 8 weeks, paid child sick days, up to 30 paid days for family care, a defined-benefit pension and an employee shareholding plan with a company incentive.
Source: sumitomocorp-recruiting.com Employee Benefits
How many people work at Sumitomo Corporation?
82,488 in the whole group. The parent company has 5,056 employees by its profile count (including 118 at overseas branches); its ESG data counts 4,938.
Source: sumitomocorp.com Corporate Profile · Social data FY2025
Who is Sumitomo Corporation's CEO?
Shingo Ueno, Representative Director, President and CEO since April 2024. His predecessor, Masayuki Hyodo, is Chairman of the Board.
Source: sumitomocorp.com Management
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Sumitomo Corporation's official social accounts
sumitomocorp.com also links official Instagram and LinkedIn accounts from every page; only the YouTube channel address was confirmed here.