KAJIMA CORP company profile

Overview

Kajima Corporation is a Japanese construction and engineering company whose core activities include civil engineering and building construction, real estate development, design, and related engineering services. Its business spans Japan and international markets, with an official network profile listing 50 offices outside Japan across 22 countries and regions.[1][2]

Kajima’s corporate philosophy emphasizes creative progress guided by rational, scientific principles and a humanitarian outlook, alongside contributing to society. The company traces its origins to 1840 and was incorporated in 1930.[3][4] In FY2025 (the year ended March 31, 2026), consolidated revenue was ¥3,067.3 billion; the company reported 21,170 consolidated employees as of March 31, 2026.[5] [5]

Products & services

Kajima’s services span the project lifecycle: surveying, marketing, development and master planning; design and engineering; procurement, construction management and supervision; building, property and facilities management; energy services; and maintenance, renewal and renovation.[8]

Its named seismic-retrofit systems include D³SKY-L, a rooftop mass damper designed mainly for high-rise buildings, and E³SKY, which uses an added top floor as the damping mass for mid- and low-rise buildings.[9] Kajima also offers A⁴CSEL, an automated construction system that coordinates machinery with optimized work plans; applications include dam construction and mountain-tunnel excavation, where six excavation steps can be automated or remotely controlled.[10] CO₂-SUICOM is a carbon-capturing concrete incorporating γ-C₂S, which hardens by reacting with CO₂; Kajima reports a net reduction of 18 kg CO₂ per cubic metre compared with ordinary concrete.[13][14]

Kajima also develops and operates property including distribution warehouses, housing, offices, commercial facilities, hotels and renewable-energy facilities.[15][16] In the fiscal year ended March 31, 2026, consolidated revenue was ¥3,067.2 billion; construction accounted for ¥2,678.6 billion (about 87.3%) and real estate and other for ¥388.5 billion (about 12.7%). The percentages are calculated from the reported amounts.[17] [8]

Geographic presence

Kajima’s FY2025 reporting (the year ended March 31, 2026) shows construction contract awards concentrated in Japan: ¥2,290.9 billion, or 70.2% of consolidated awards. Overseas awards were ¥973.1 billion (29.8%), led by North America at ¥498.1 billion (15.3% of total awards), followed by Asia at ¥274.7 billion (8.4%), Oceania at ¥136.0 billion (4.2%), and Europe at ¥63.4 billion (1.9%). These figures represent contract awards, not revenue.[18]

Kajima does not disclose revenue by customer destination in the cited annual statements. Its segment reporting records ¥1,091.8 billion from overseas subsidiaries and affiliates—about 35.6% of consolidated revenue—and ¥271.1 billion from domestic subsidiaries and affiliates (about 8.8%); these categories describe business segments, not where customers are located.[19] Regional group-company revenue figures include the U.S. (KUSA, ¥609.5 billion), Australia (KA, ¥198.4 billion), Asia Pacific (KAP, ¥137.0 billion), Europe (KE, ¥81.2 billion), and Taiwan (Chung-Lu, ¥60.7 billion).[20]

Kajima’s overseas network spans North America, Europe, Asia Pacific, and Australia, with listed country operations and offices including the U.S., U.K., Ireland, France, Germany, Poland, Czech Republic, Singapore, Indonesia, Thailand, Malaysia, Vietnam, the Philippines, Hong Kong, India, Myanmar, China, Taiwan, Australia, and New Zealand.[21][22] At March 31, 2026, the group had 21,170 employees: 8,959 at Kajima Corporation, 5,612 at domestic consolidated subsidiaries, and 6,599 at overseas consolidated subsidiaries.[23] [18]

Business segments

Kajima reports five operating segments. In FY2025 (April 1, 2025–March 31, 2026), Civil Engineering generated ¥430.8 billion in external sales, approximately 14.0% of consolidated revenue; Building Construction generated ¥1,180.9 billion (38.5%); and Real Estate Development and Other generated ¥92.7 billion (3.0%). The first two cover civil-engineering and building-construction work, while the third includes real estate development, design, and engineering activities.[24]

Domestic Subsidiaries and Affiliates generated ¥271.1 billion (8.8%), with activities including construction-material sales, specialist construction and engineering services, leasing, and building rental. Overseas Subsidiaries and Affiliates generated ¥1,091.8 billion (35.6%), covering overseas construction, real estate development, and other activities. Segment shares are approximate and calculated using consolidated revenue of ¥3,067.3 billion.[25][26] [24]

Company history

Kajima traces its origins to 1840, when Iwakichi Kajima began a business in Edo (now Tokyo). In 1860, the company built Ei-Ichiban Kan, described in its history as Yokohama’s first Western-style building. Kajima Gumi was established in 1880 under Iwazo Kajima and entered railway construction; in 1893, the Usui Line opened with Kajima having built 10 tunnels on the route.[4][27]

Kajima entered dam and power-plant construction in 1909 and completed Ohmine Dam, described as Japan’s first concrete dam, in 1924. The company was incorporated in 1930, renamed Kajima Corporation in 1947, and established its Technical Research Institute in 1949. It expanded into the United States in 1964 through Kajima International Inc.; in 1968 it completed the Kasumigaseki Building, identified as Japan’s first skyscraper. In 2018, its overseas subsidiary acquired a majority stake in Singapore-based International Facility Engineering.[4] [4]

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