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Construction Companies in Japan: lead lists

Construction is one of Japan's largest industries by number of businesses, dominated by small contractors and local builders. Hiring and aging workforces are the biggest challenges for most companies.

Top 10 prefectures by number of construction companies

  1. 1Tokyo41,348
  2. 2Kanagawa28,997
  3. 3Osaka27,254
  4. 4Aichi27,164
  5. 5Saitama25,560
  6. 6Hokkaido21,256
  7. 7Chiba20,005
  8. 8Fukuoka19,769
  9. 9Hyogo16,634
  10. 10Shizuoka16,470

Source: 2021 Economic Census for Business Activity, category β€œConstruction” (as of June 1, 2021). Numbers in brackets below use the same source.

Browse by prefecture

Hokkaido & Tohoku

Hokkaido (21,256)Aomori (5,642)Iwate (5,292)Miyagi (10,458)Akita (4,857)Yamagata (5,740)Fukushima (9,987)

Kanto

Tokyo (41,348)Kanagawa (28,997)Saitama (25,560)Chiba (20,005)Ibaraki (14,004)Tochigi (8,776)Gunma (9,424)

Chubu

Niigata (12,326)Toyama (5,420)Ishikawa (5,808)Fukui (4,521)Yamanashi (4,170)Nagano (10,675)Gifu (9,708)Shizuoka (16,470)Aichi (27,164)

Kansai

Osaka (27,254)Kyoto (8,588)Hyogo (16,634)Nara (3,574)Wakayama (4,235)Shiga (5,472)Mie (7,422)

Chugoku & Shikoku

Tottori (2,220)Shimane (3,390)Okayama (8,253)Hiroshima (11,370)Yamaguchi (5,961)Tokushima (3,226)Kagawa (4,261)Ehime (5,925)Kochi (2,894)

Kyushu & Okinawa

Fukuoka (19,769)Saga (3,376)Nagasaki (5,502)Kumamoto (7,351)Oita (4,899)Miyazaki (4,860)Kagoshima (6,442)Okinawa (4,653)

Tokyo's 23 wards

Chiyoda (918)Chuo (998)Minato (1,026)Shinjuku (1,159)Bunkyo (527)Taito (965)Sumida (949)Koto (1,350)Shinagawa (1,135)Meguro (519)Ota (2,160)Setagaya (1,826)Shibuya (870)Nakano (821)Suginami (1,150)Toshima (929)Kita (945)Arakawa (633)Itabashi (1,629)Nerima (2,412)Adachi (2,732)Katsushika (1,342)Edogawa (2,288)

Doing business with construction companies in Japan

Many firms are family-owned and relationship-driven. Recruitment websites, site management apps and productivity tools are relevant, especially as overtime caps for construction workers took effect in April 2024.

Call early in the morning before crews leave for sites, or in the late afternoon. Avoid the fiscal year-end rush in March.

Other industries

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