Office profile
KDDI Headquarters & offices · Tokyo, Japan
KDDI · Tokyo, Japan
A headquarters joined straight to Takanawa Gateway Station, where a robot rides the elevator to bring your convenience-store coffee to the meeting room.
The Takanawa office, the benefits and seventy years of head-office moves — then the business. Every number from KDDI's own website, ESG data, press releases and investor pages.
- 13,000people working in the Takanawa headquarters
- 85,154 m²of office floor space (≈ 916,600 sq ft)
- No core timeflextime since fiscal 2022, plus hybrid telework
- 16.4 yearsaverage time at the company (FY2025)
Sources: KDDI newsroom (Apr 10, 2025) · kddi.com Takanawa office site · Nikkei New Office Award 2026 entry data · KDDI ESG Data (Social), updated Sep 29, 2026 · career.kddi.com
Companies / Japan / Telecommunications / KDDI
THE HEADQUARTERS · THE LINKPILLAR 1 NORTH, TAKANAWA GATEWAY CITY · 2025
A “Connectable City” for 13,000 people
KDDI calls its new headquarters a “Connectable City”: a place where the KDDI group, customers and partners meet like the people of a town. It has collaboration spaces and an event area that group companies can book, movable furniture and wireless desk areas so layouts change easily, focus booths, a cafeteria and dining hall, an in-house pub and a Lawson convenience store where you pay with a phone app. Delivery robots, linked to the elevators, carry coffee to meeting rooms.
- 85,154 m² office (≈ 916,600 sq ft)
- 13,000 occupants
- Planning and design: Nikken Sekkei
- LEED v4 Gold (pre-certification)
- Direct link to Takanawa Gateway Station
- Robot coffee delivery
The building at Takanawa Gateway City
KDDI's headquarters fills THE LINKPILLAR 1 NORTH, joined directly to Takanawa Gateway Station, and opened on July 1, 2025.
Collaboration spaces and work areas
The office has collaboration spaces, movable furniture and wireless desk areas so layouts change easily, plus focus booths.
Cafeteria and dining hall
The headquarters has a cafeteria and dining hall, an in-house pub and a Lawson convenience store where you pay with a phone app.
Facts: KDDI newsroom (Apr 10, 2025) · kddi.com Takanawa office pages · Nikkei New Office Award 2026 entry data (NOPA) · Oliver project page “KDDI Takanawa headquarters”
THE LINKPILLAR 1 NORTH, Takanawa Gateway City
| Building | Address |
|---|---|
| KDDI headquarters, THE LINKPILLAR 1 NORTH | 2-21-1 Takanawa, Minato-ku, Tokyo 108-8618, Japan |
| Lawson Takanawa Gateway City store (6th floor) | THE LINKPILLAR 1 NORTH 6F, 2-21-1 Takanawa, Minato-ku, Tokyo 108-0074, Japan |
| KDDI Building (registered head office) | Nishi-Shinjuku, Shinjuku-ku, Tokyo, Japan |
Source: KDDI newsroom (Apr 10, 2025) · kddi.com Takanawa office site · Kyocera Inamori Library, “KDDI Building” (July 16, 2024) · See them on the map ↓
Source: Nikkei New Office Award 2026 entry data (NOPA) · KDDI newsroom (May 16, 2023 and Apr 10, 2025) · kddi.com Takanawa office pages. Square feet converted by eciffo.
Office tour videos
Benefits (KDDI Corporation, Japan)
20 days a year for new graduates (5–20 days in the first year for mid-career hires, by start month). Employees took 16.8 days on average in FY2025 — 84.0% of their leave.
Unused leave is saved automatically, up to 20 days, for illness, family care, nursing a family member or volunteering.
At 15 years of service or age 50, a 10–15 day break, with a ¥100,000–200,000 payment from the company.
KDDI adds 12% to what employees put into the shareholding plan.
Share of male employees taking childcare leave in FY2025 (women 100%); 99.5% of men and 99.0% of women returned to work.
A month, for single employees transferred to a post more than 120 minutes' commute away; family and solo housing too.
A same-sex partnership registration gives partners the same treatment as spouses.
Holiday facilities across Japan at special rates, plus housing loans with several partner banks.
Source: career.kddi.com, “10 questions about KDDI benefits” (June 28, 2024) · KDDI ESG Data (Social), fiscal 2025. Benefits apply to KDDI Corporation in Japan.
Why people stay: what KDDI itself says
Average length of service at KDDI Corporation in fiscal 2025 (men 16.8, women 15.1).
389 people left KDDI Corporation during the year; voluntary turnover was 2.17%.
98% of employees answered the FY2025 engagement survey, which covers purpose, happiness and stress; the target is 60%.
Training programs for professionals in all 30 specialist fields of KDDI's own job-based HR system, plus career design seminars and one-to-one career advice.
Each year a few young employees spend about a year at a KDDI overseas subsidiary, from the U.S. and U.K. to Singapore, Vietnam and China; study abroad is offered too.
Employees set their own start and finish times within the flexible hours, and mix home, other KDDI sites and satellite offices with the office.
Source: KDDI ESG Data (Social), fiscal 2025 · career.kddi.com, “10 questions about KDDI benefits” (June 28, 2024)
Who works here
employees across the KDDI group (FY2025, regular employees)
average age at KDDI Corporation (FY2025)
of managers are women (KDDI Corporation, April 2026)
overseas offices in 109+ cities (FY2025)
Source: KDDI ESG Data (Social), fiscal 2025 (year ended March 31, 2026) · career.kddi.com “KDDI in numbers”
Office history: from an international switchboard to Takanawa Gateway
- 1953 KDD is founded for calls abroad
Kokusai Denshin Denwa (KDD) was set up in March 1953 to run Japan's international telegraph and telephone services. Its first international switchboard room was inside the Nippon Telegraph and Telephone Public Corporation.
Source: kddi.com History (“before 1985”) · “KDDI history on one page”
No free-to-use photo found yet.Have one? We’d love to add it. - 1974 The KDD Building in Nishi-Shinjuku
KDD completed its own building among the Shinjuku skyscrapers in July 1974 — an international communications center with the latest equipment, built as KDD's head office. It is now the KDDI Building and is still KDDI's registered head office.
Source: kddi.com History · Kyocera Inamori Library, “KDDI Building” (July 16, 2024)
KDDI Building, Nishi-Shinjuku, 2007 · Kure / CC BY-SA 2.5 · Wikimedia Commons - 1984 DDI: Kazuo Inamori takes on NTT
Kyocera founder Kazuo Inamori set up Daini Denden Kikaku in June 1984. As DDI it started business in April 1985, when Japan opened telecoms to competition, and launched long-distance calls between Tokyo, Nagoya and Osaka in 1987.
Source: kddi.com History (1985–2000) · Kyocera Inamori Archive, episode 17
No free-to-use photo found yet.Have one? We’d love to add it. - 2000 KDDI is born in the KDDI Building
DDI, KDD and IDO merged on October 1, 2000. The new company's sign was unveiled at the former KDD head office in Shinjuku on October 2, and the company was renamed KDDI Corporation in April 2001.
Source: kddi.com History · Kyocera Inamori Library, “KDDI Building”
KDDI Building, Nishi-Shinjuku · User:Kentin / CC BY-SA 3.0 · Wikimedia Commons - 2003 Garden Air Tower, Iidabashi
Head-office functions moved to Garden Air Tower in Iidabashi, Chiyoda-ku. By 2022 about 8,000 employees — nearly half of KDDI's staff — worked there, with free seating on each department's floor and a visitor floor on the 28th.
Source: Kyocera Inamori Library, “KDDI Building” · career.kddi.com office tour (Jan 24, 2022)
Garden Air Tower, Iidabashi, 2009 · Kamemaru2000 / CC BY-SA 3.0 · Wikimedia Commons - 2025 Takanawa Gateway City
Announced in May 2023, the move to THE LINKPILLAR 1 NORTH started on April 28, 2025 and the headquarters opened on July 1, 2025. It brings together functions that had been spread over several sites.
Source: KDDI newsroom (May 16, 2023 and Apr 10, 2025) · Oliver project page
No free-to-use photo found yet.Have one? We’d love to add it.
Map: how the headquarters moved
Three head offices in western and central Tokyo, then south to the bay: from the Shinjuku skyscraper district to Iidabashi and, in 2025, to the new town around Takanawa Gateway Station.
- 1 · 1974KDD Building (now KDDI Building), Nishi-Shinjuku — KDD's head office; KDDI was born here in 2000
- 2 · 2003Garden Air Tower, Iidabashi, Chiyoda-ku — Head-office functions for about 8,000 people
- 3 · 2025THE LINKPILLAR 1 NORTH, 2-21-1 Takanawa, Minato-ku — Headquarters today, joined to Takanawa Gateway Station
Places: kddi.com History · Kyocera Inamori Library · career.kddi.com · KDDI newsroom (Apr 10, 2025)
What KDDI does
KDDI runs the au mobile brand and fixed-line, data center and IoT services for companies. Around the network it has built finance (au Jibun Bank, au PAY), energy and the Lawson convenience stores, which KDDI lists among its growth drivers.
Two reporting segments in FY2025: Personal and Business. From FY2026 KDDI reports Telecom Core, Personal Growth and Business Growth.
Where the money came from · Revenue by segment, FY2025 (¥ trillion, before eliminations)
Source: kddi.com “KDDI's results” for individual investors, FY2025 (year ended March 31, 2026)
Source: KDDI Financial Highlights (Euroland data on kddi.com) · “KDDI's results” for individual investors. FY2025 = year ended March 31, 2026.
Growth: revenue vs. people
¥5.45T → ¥6.07T
48,829 → 73,198
Fiscal years end March 31 (FY2025 ended March 31, 2026). Revenue: KDDI Financial Highlights, IFRS; KDDI notes that some FY2022–FY2025 figures were revised after a Special Investigation Committee and audits. Employees: KDDI ESG Data, consolidated (FY2021–FY2024 regular staff including non-regular; FY2025 regular employees only). Multiples calculated by eciffo.
Chief executives
President, Representative Director and CEO; previously Managing Executive Officer, Director and CDO.
President, Representative Director and CEO until March 2025; Chairman and Representative Director from April 2025.
KDDI was formed in 2000 from DDI (founded 1984 by Kyocera founder Kazuo Inamori), KDD (founded 1953) and IDO (founded 1987).
Source: KDDI newsroom, “Changes in Executive Officers” (effective April 1, 2025) · kddi.com History · Kyocera Inamori Archive
KDDI: questions people ask
Where is KDDI's headquarters?
In THE LINKPILLAR 1 NORTH, Takanawa Gateway City, 2-21-1 Takanawa, Minato-ku, Tokyo 108-8618. It is directly connected to Takanawa Gateway Station on the JR Yamanote Line and three minutes on foot from Sengakuji Station.
Source: kddi.com Takanawa office site · KDDI newsroom (Apr 10, 2025)
When did KDDI move to Takanawa?
KDDI announced the move in May 2023. Departments moved in stages from April 28, 2025, and the new headquarters had its grand opening on July 1, 2025.
Source: KDDI newsroom (May 16, 2023 and Apr 10, 2025)
Who designed KDDI's headquarters office?
Nikken Sekkei planned and designed the office with KDDI's office strategy group. Obayashi, Kokuyo, Okamura and Oliver carried out the fit-out; Oliver made the custom furniture, signs and planting.
Source: Nikkei New Office Award 2026 entry data (NOPA) · Oliver project page
How big is KDDI's headquarters?
The office covers 85,154 m² (about 916,600 sq ft) and houses 13,000 people.
Source: Nikkei New Office Award 2026 entry data (NOPA)
What is inside KDDI's Takanawa office?
Collaboration spaces and an event area for work with customers and partners, focus booths, a cafeteria and dining hall, an in-house pub, a space for exercise and a Lawson store where you buy with a phone app. Robots linked to the elevators deliver coffee to meeting rooms.
Source: kddi.com Takanawa office pages · KDDI newsroom (Apr 10, 2025)
Does KDDI allow remote or flexible work?
Yes. KDDI works in a hybrid of telework and office days; telework is possible from home, other KDDI sites and satellite offices. Flextime has had no core time since fiscal 2022.
Source: career.kddi.com, “10 questions about KDDI benefits” (2024)
What benefits does KDDI offer?
In Japan: 20 days of paid leave for new graduates, a leave bank of up to 20 days, refresh leave with ¥100,000–200,000 at 15 years' service or age 50, a 12% company top-up on the employee share plan, company housing for transfers and same-sex partners treated as spouses.
Source: career.kddi.com, “10 questions about KDDI benefits” (2024)
How much do KDDI employees make?
The average annual salary at KDDI Corporation was ¥10,510,939 in fiscal 2025, including bonuses and overtime. KDDI does not publish a median.
Source: KDDI ESG Data (Social), fiscal 2025
How many people work at KDDI?
73,198 across the group and 9,891 at KDDI Corporation itself in fiscal 2025 (year ended March 31, 2026). The average age at KDDI Corporation is 42.3 and the average length of service 16.4 years.
Source: KDDI ESG Data (Social), fiscal 2025
Who is KDDI's CEO?
Hiromichi Matsuda, President, Representative Director and CEO since April 1, 2025. He succeeded Makoto Takahashi, who became Chairman.
Source: KDDI newsroom, “Changes in Executive Officers”
You have seen the office, the benefits and the pay
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KDDI's official social accounts
Official accounts linked from the footer of kddi.com.