Office profile
NEC Headquarters & offices · Tokyo, Japan
NEC · Tokyo, Japan
A 43-floor “rocket” with an open space through its middle to calm the wind, on the same Tokyo ground where NEC began in 1899.
The tower, the café floor that replaced the old canteen, the hybrid-work rules and 127 years of history on one plot of land. Every fact from NEC's own pages, its annual results and the building's award record.
- 145,100 m²floor area of the NEC Supertower (≈ 1.56M sq ft)
- ≈ 490seats in FIELD, the 11th-floor café and co-creation floor
- 8×more co-creation space under Smart Work 2.0
- 101,800people in the NEC Group (March 2026)
Sources: Japan Federation of Construction Contractors, BCS Prize record (1991) · NEC Stories, May 19, 2022 · NEC press release, Nov 22, 2021 · group.nec corporate profile (March 31, 2026)
Companies / Japan / IT services & electronics / NEC
THE HEADQUARTERS · NEC SUPERTOWER · 1990
A tapering tower with an open space through the middle
NEC calls its head office a three-stage “rocket” that gets thinner as it rises. A large opening through the building cuts the swirling wind that tall towers usually cause, about 65% of the site is green, and around 280 trees 8–10 m tall were planted as a windbreak. Inside, the old staff canteen on the 11th floor became FIELD in 2021: about 490 seats with few partitions, a bakery café from early morning, live-cooked lunches and space for 1-on-1s, brainstorms and seminars.
- 43 floors above ground, 4 below
- 145,100 m² (≈ 1,561,842 sq ft)
- Design: Nikken Sekkei
- BCS Prize 1991
- FIELD café floor, ≈ 490 seats
- Face-recognition gates since 2020
NEC Future Creation Hub and FIELD
The Future Creation Hub (2019) has walls of woven glass-fiber panels lit from below, and FIELD, the former 11th-floor canteen, reopened in 2021 with about 490 seats.
The executive-floor work lounge
A work lounge inside the NEC Supertower, the 43-floor head office completed in January 1990.
The Supertower from the streets of Shiba and Tamachi
Designed by Nikken Sekkei as a three-stage “rocket” that tapers as it rises, with a large opening through the building to calm the wind.
Facts: NEC history page (“Completion of new head office building”) · BCS Prize record, Japan Federation of Construction Contractors · NEC Stories, May 19, 2022 · wisdom.nec.com, July 9, 2021
The NEC Supertower
| Building | Address |
|---|---|
| NEC Supertower (head office) | 7-1, Shiba 5-chome, Minato-ku, Tokyo 108-8001 |
Source: group.nec corporate profile · See them on the map ↓
Source: BCS Prize record, Japan Federation of Construction Contractors · NEC history page (green area, trees, design)
Benefits (Japan, NEC Corporation)
¥550,000 after a birth, plus ¥100,000 before the birth (since 2024) when a parental-leave plan is filed 3 months ahead.
New paid leave around a partner's delivery, on top of annual leave.
Paid days each year that can be used for childcare and family needs.
Flex-time with no core hours, combined with telework.
Live far from your office — even a bullet-train or plane ride away — and work mainly by telework.
Points to spend on a menu of benefits, with extra points for employees raising children or caring for family.
Work for outside companies and groups is permitted; up to 20% of work time can go to other NEC departments.
Employees choose what to wear all year round.
Source: NEC careers site (“Sales at NEC” page) · NEC Stories, May 15, 2025 (parental leave) · NEC press release, Nov 22, 2021 (Smart Work 2.0)
Why people stay: what NEC itself says
In FY2024, up from 15.0% in FY2020, for 78.9 days on average; 83.8% including childcare leave days.
Almost all women and men come back after childcare leave.
Employees post their work history and open positions are matched on an internal platform.
Smart Work 2.0 is location-free by default: NEC plans for 40% office attendance, mixing remote work, team hubs and co-creation space.
Four straight years of Gold from 2020; an LGBTQ Ally employee group since 2022.
About 18,000 employees in 44 countries joined NEC's Inclusion & Diversity Day.
Source: NEC Stories, May 15, 2025 · NEC careers site (Inclusion & Diversity; “Sales at NEC”) · NEC press release, Nov 22, 2021 · jpn.nec.com Inclusion & Diversity (gender)
Who works here
employees in the NEC Group (March 31, 2026)
employees at NEC Corporation itself
of managers are women (April 2023)
consolidated subsidiaries
Source: group.nec corporate profile (March 31, 2026) · NEC careers site, Inclusion & Diversity (April 1, 2023). Men's share = 100% minus the published women's share.
Compare NEC with: Samsung Electronics
Office history: 127 years on one piece of Tokyo
- 1899 Nippon Electric Company is founded
Established on July 17, 1899 — the day Japan's revised treaties took effect — by Kunihiko Iwadare and W.T. Carleton of Western Electric's Tokyo branch, helped by Takeshiro Maeda. NEC says its head office stands today in Shiba 5-chome, “where the company originated.”
Source: NEC history page (nec.com / jpn.nec.com)
Nippon Electric Company at its founding, 1899 · © NEC Corporation (official history) - 1922 The Mita head office and factory is finished
The ninth and eleventh factories were completed, finishing the plant plan drawn up when the company was founded. A year later the Great Kanto Earthquake brought down the middle of the factory, killing 105 people.
Source: NEC history page
Mita head office and factory, 1922 · © NEC Corporation (official history) - 1936 A second site at Tamagawa
NEC opened the Tamagawa-mukai Plant. It was badly damaged in air raids in 1945; the Tamagawa site became NEC Tamagawa Renaissance City in 2005.
Source: NEC history page
Tamagawa-mukai Plant, 1936 · © NEC Corporation (official history) - 1945 The head office takes back the NEC name
Renamed Sumitomo Communication Industries in 1943, the company returned to “Nippon Electric Company, Limited” in November 1945; NEC's history shows the head office front with the restored name.
Source: NEC history page
Head office front, 1945 · © NEC Corporation (official history) - 1990 The NEC Supertower
Planned from December 1983 for NEC's 90th anniversary and started in November 1986, the new head office was completed in January 1990 as an “intelligent building.” It was the first project under Tokyo's environmental impact assessment ordinance.
Source: NEC history page · BCS Prize record
No free-to-use photo found yet.Have one? We’d love to add it. - 2019 NEC Future Creation Hub
A new space in the head office where NEC and its customers build and test ideas. Its walls are woven glass-fiber panels lit from below, in 221 separately controlled sections.
Source: ARCHITAINMENT project page (lighting designer)
No free-to-use photo found yet.Have one? We’d love to add it. - 2021 FIELD and Smart Work 2.0
In October 2021 the 11th-floor canteen reopened as FIELD, and NEC announced Smart Work 2.0: fully free-address team offices, co-creation space grown 8 times, department offices halved at the Tamachi and Tamagawa sites, and Keihin-area office floor space cut by a quarter (about 140,000 m²).
Source: NEC Stories, May 19, 2022 · NEC press release, Nov 22, 2021
No free-to-use photo found yet.Have one? We’d love to add it.
Map: how the headquarters moved
NEC never really moved. Its head office tower stands in Shiba 5-chome, Minato-ku — the ground where the company began in 1899.
- 1 · 1899Where NEC began, Shiba 5-chome — NEC says the company originated here in 1899
- 2 · 1990NEC Supertower, 7-1 Shiba 5-chome — Today's head office, completed January 1990
Addresses: group.nec corporate profile · NEC history page (“Shiba 5-chome … where the company originated”). The exact 1899 street address is not published, so the first point marks the same block.
What NEC does
NEC began in 1899 as Japan's first joint venture with foreign capital, making telephone equipment with Western Electric. Today its main businesses are IT services and social infrastructure — AI, security, biometrics such as face recognition, and communications.
Main group businesses: IT Services and Social Infrastructure.
Source: group.nec corporate profile (FY2025 results, as of March 31, 2026) · NEC history page
Growth: revenue vs. people
¥2.67T → ¥3.58T
21,934 at NEC Corporation itself
Fiscal years end March 31 (FY2025 = year to March 2026). Revenue: NEC results presentations for FY2017, FY2018, FY2021 and FY2022 (FY2016 = FY2017 minus the stated ¥179.4B increase) · group.nec corporate profile (FY2025). Years without an official HTML figure are left out. Multiple calculated by eciffo.
Chief executives
Director, Representative Corporate Executive Officer, President and CEO. He became president in 2021 and chairs 30% Club Japan.
Founders: Kunihiko Iwadare, W.T. Carleton and Takeshiro Maeda, with Western Electric as shareholder.
Source: group.nec corporate profile · NEC history page · jpn.nec.com Inclusion & Diversity (gender)
NEC: questions people ask
Where is NEC's headquarters?
In the NEC Supertower at 7-1, Shiba 5-chome, Minato-ku, Tokyo 108-8001 — the area where NEC says the company originated in 1899.
Source: group.nec corporate profile · NEC history page
Who designed the NEC Supertower?
Nikken Sekkei designed it, and Obayashi Corporation and Kajima Corporation built it. It was completed in January 1990 and won the BCS Prize in 1991.
Source: BCS Prize record, Japan Federation of Construction Contractors
How big is NEC's headquarters?
The tower has 43 floors above ground and 4 below, with a total floor area of 145,100 m² (about 1.56 million sq ft) on a 21,280 m² site.
Source: BCS Prize record
Why does the NEC Supertower have an opening in the middle?
NEC says the three-stage “rocket” shape and the large open space through the building suppress the swirling winds that tall buildings usually create. About 280 trees 8–10 m tall were also planted as a windbreak.
Source: NEC history page
What is FIELD at NEC?
The former staff canteen on the 11th floor of the head office, reopened in October 2021 as a café and co-creation floor with about 490 seats, a bakery café, live-cooked lunches, a 24-hour shop and space for meetings and seminars.
Source: NEC Stories, May 19, 2022
Does NEC allow remote or hybrid work?
Yes. Under Smart Work 2.0 (2021) NEC is location-free by default, plans for about 40% office attendance, and offers super-flex hours with no core time, telework, and remote-area work for people living far from their office.
Source: NEC press release, Nov 22, 2021 · NEC careers site
What benefits does NEC offer?
In Japan: a points-based cafeteria plan, 5 paid Family Friendly days a year, 10 days of paid leave around a partner's childbirth, and childcare payments of ¥550,000 after a birth plus ¥100,000 before it.
Source: NEC careers site · NEC Stories, May 15, 2025
How many people work at NEC?
101,800 in the NEC Group and 21,934 at NEC Corporation itself, as of March 31, 2026.
Source: group.nec corporate profile
Who is NEC's CEO?
Takayuki Morita, Director, Representative Corporate Executive Officer, President and CEO, who became president in 2021.
Source: group.nec corporate profile · NEC history page
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