{ "schemaVersion": 1, "organisationId": "O-cb20e24e79eb490e982fcc6fb3f9dc7b", "slug": "taisei", "name": "TAISEI CORP", "updatedAt": "2026-09-28T14:30:49.296749Z", "sections": [ { "type": "OVERVIEW", "text": "Taisei Corporation is a Japan-based construction and engineering company whose core businesses are building construction and civil engineering. Its activities also include real-estate and urban development, engineering, and overseas construction. The company traces its origins to a business established in 1873 and operates across Japan and markets in Asia, the Middle East and Africa. [https://www.taisei.co.jp/english/profile/overview/][https://www.taisei.co.jp/english/profile/history/chronology/][https://www.taisei-techsolu.jp/english/solution/o_network/]\n\nTaisei states its mission as creating “a vibrant environment for all members of society,” with an emphasis on safe and attractive spaces. In the fiscal year ended March 2025, the group reported approximately ¥2.15 trillion in consolidated net sales and 16,382 full-time employees. [https://www.taisei.co.jp/english/profile/philosophy/][P142015964][https://www.taisei-sx.jp/english/esg_guide_line/esg/pdf/social_data.pdf]\n[P142015964][https://www.taisei.co.jp/english/profile/overview/][https://www.taisei.co.jp/english/profile/history/chronology/][https://www.taisei-techsolu.jp/english/solution/o_network/][https://www.taisei.co.jp/english/profile/philosophy/][https://www.taisei-sx.jp/english/esg_guide_line/esg/pdf/social_data.pdf]", "updatedAt": "2026-09-28T14:30:49.296749Z" }, { "type": "PRODUCTS", "text": "Taisei’s principal services are building construction and civil engineering. Its building work includes offices, commercial facilities, factories, data centers and hospitals; its civil-engineering work includes tunnels, bridges, dams, railways and expressways. The company offers planning, surveying, design, construction, supervision, engineering and consulting for these projects. It also develops real estate and provides property-management services. [https://www.taisei-sx.jp/english/library/pdf/2025/taisei_tougou25_a3.pdf][https://www.taisei.co.jp/english/profile/overview/]\n\nNamed offerings include T-eConcrete®, a line of environmentally oriented concrete that includes carbon-recycling applications, and Green Renewal ZEB, a service for renovating existing buildings toward net-zero-energy-building standards. Taisei also identifies T-WOOD® BRACE as a timber-based seismic-construction technology. Its engineering services cover production and logistics facilities, including facilities for pharmaceutical, semiconductor and food businesses. [https://www.taisei.co.jp/english/profile/business/t-econcrete/][https://www.taisei.co.jp/english/ir/news/2022/20221104_release.html][https://www.taisei.co.jp/english/profile/technology/][https://www.taisei-sx.jp/english/library/pdf/2025/taisei_tougou25_a3.pdf]\n\nIn the fiscal year ended March 2025, building construction accounted for approximately 63.7% of consolidated net sales, civil engineering 29.3%, real estate development 6.4% and other activities 0.6%. The named materials and technologies are not reported as separate sales categories. [https://www.taisei.co.jp/english/sustainability/library/online/2025/pdf/08_data_taisei_tougou25_a3.pdf]\n[https://www.taisei-sx.jp/english/library/pdf/2025/taisei_tougou25_a3.pdf][https://www.taisei.co.jp/english/profile/overview/][https://www.taisei.co.jp/english/profile/business/t-econcrete/][https://www.taisei.co.jp/english/ir/news/2022/20221104_release.html][https://www.taisei.co.jp/english/profile/technology/][https://www.taisei.co.jp/english/sustainability/library/online/2025/pdf/08_data_taisei_tougou25_a3.pdf]", "updatedAt": "2026-09-28T14:30:49.296749Z" }, { "type": "GEOGRAPHY", "text": "Taisei Corporation is headquartered in Tokyo, Japan. Its domestic branch network spans Hokkaido, Tohoku, Kanto, Hokushinetsu, Chubu, Kansai, Chugoku, Shikoku and Kyushu, with branches in cities including Sapporo, Sendai, Yokohama, Nagoya, Osaka, Hiroshima and Fukuoka. [https://www.taisei.co.jp/english/profile/data/]\n\nThe company’s overseas network is concentrated in Asia, with offices or group companies listed in China, the Philippines, Indonesia, Singapore, Thailand, India, Vietnam, Malaysia, Taiwan, Myanmar, Bangladesh and Sri Lanka. [P142015983][P142015985][P142015989][P142015994][P142015996][P142015999][P142016008][P142016011][P142016018][P142016020][P142016023][P142016026] It also lists offices in Doha, Qatar, and Dubai, United Arab Emirates; a North Africa office under Egypt; and a U.S. group company in Plano, Texas. These locations describe its office and group-company footprint, not a breakdown of revenue or employees by geography. [P142016005][P142016028][P142016029][P142016031]\n[P142015983][P142015985][P142015989][P142015994][P142015996][P142015999][P142016008][P142016011][P142016018][P142016020][P142016023][P142016026][P142016005][P142016028][P142016029][P142016031][https://www.taisei.co.jp/english/profile/data/]", "updatedAt": "2026-09-28T14:30:49.296749Z" }, { "type": "SEGMENTS", "text": "Taisei reports three business segments: civil engineering, building construction, and real estate development. Civil engineering covers infrastructure construction; building construction covers buildings and housing; and real estate development covers the purchase, sale, leasing, management and brokerage of land and buildings. [P142000645][P142000646]\n\nFor the year ended March 2025, building construction accounted for approximately 64% of consolidated net sales (¥1,372.6 billion), civil engineering 29% (¥630.6 billion), and real estate development 6% (¥137.6 billion). An “Others” category accounted for less than 1% (¥13.4 billion); it is presented separately from the three reportable segments and is not further defined in the segment description. [https://www.taisei.co.jp/english/ir/library/results/]\n[P142000645][P142000646][T16234231][T16234231][T16234231][T16234231][T16234231][https://www.taisei.co.jp/english/ir/library/results/]", "updatedAt": "2026-09-28T14:30:49.296749Z" }, { "type": "HISTORY", "text": "Taisei Corporation traces its origins to Okura Gumi Shokai, founded by Kihachiro Okura in 1873. In 1887, Okura and partners established Nippon Doboku Company, a predecessor that took over the firm’s civil-engineering work. After further reorganizations, the construction business was incorporated separately as Okura Doboku Gumi in 1917. It adopted the Taisei Corporation name in 1946. [https://www.taisei.co.jp/english/profile/history/chronology/][https://www.taisei.co.jp/corp/ayumi/history.html]\n\nEarly projects associated with the company include Tokyo’s Rokumeikan, completed in 1883, and the Wright-designed Imperial Hotel building, opened in 1923. Taisei expanded its postwar overseas work in Indonesia, entering the market in 1959 and undertaking the Hotel Indonesia project in 1962. Its later infrastructure work included participation in the Seikan Tunnel, which opened in 1988, and substructure construction for the Akashi Kaikyo Bridge in the early 1990s. [https://www.taisei.co.jp/corp/ayumi/150th/en/history/1873-1945.html][https://www.taisei-techsolu.jp/english/solution/o_history/][https://www.taisei-techsolu.jp/solution/tunnel/seikan.html][https://www.taisei.co.jp/corp/ayumi/150th/en/history/1990-2005.html]\n[https://www.taisei.co.jp/english/profile/history/chronology/][https://www.taisei.co.jp/corp/ayumi/history.html][https://www.taisei.co.jp/corp/ayumi/150th/en/history/1873-1945.html][https://www.taisei-techsolu.jp/english/solution/o_history/][https://www.taisei-techsolu.jp/solution/tunnel/seikan.html][https://www.taisei.co.jp/corp/ayumi/150th/en/history/1990-2005.html]", "updatedAt": "2026-09-28T14:30:49.296749Z" } ], "sources": [ { "id": "https://www.taisei.co.jp/english/profile/overview/", "href": "https://www.taisei.co.jp/english/profile/overview/", "label": "www.taisei.co.jp" }, { "id": "https://www.taisei.co.jp/english/profile/history/chronology/", "href": "https://www.taisei.co.jp/english/profile/history/chronology/", 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