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Data-Center Construction Boom Triples Order Book at Tokyo Facilities Contractor

Orders at facilities contractor Hibiya Engineering jumped 235.8% to ¥56.1bn in the quarter to June as data-center fit-out contracts piled up, even though reported sales fell 6.5% because that work has not yet been billed.

Aug 6, 20261 min readHibiya Engineering,Ltd.1982
Workers installing large air-conditioning ducts and electrical cable trays inside an unfinished data-center building.

Hibiya Engineering, a Tokyo Stock Exchange-listed building-services contractor, took in ¥56.1bn of new orders in the quarter to June 2026, up 235.8% from a year earlier, after signing several large data-center contracts. Orders tied specifically to data-center and information-facility work reached ¥41.9bn, the company's largest single order category for the quarter.

Hibiya Engineering, Q1 to June 2026
Figures are for the quarter ended June 30, 2026, compared with the year-earlier quarter.
MetricValueChange
Orders received¥56.1bn+235.8% YoY
Net sales¥17.8bn-6.5% YoY
Operating profit¥2.2bn+33.7% YoY
Order backlog¥141.3bnvs ¥83.2bn a year earlier

Because construction revenue is booked as work is billed rather than when contracts are signed, reported sales actually fell 6.5% to ¥17.8bn even as new orders surged. Operating profit still rose 33.7% to ¥2.2bn on productivity gains and continued sales activity. The company's order backlog, unbilled work already under contract, climbed to ¥141.3bn from ¥83.2bn a year earlier. Management said that backlog already covers 61.4% of this fiscal year's sales plan and 50.5% of next year's.

Private-sector customers, driven largely by the data-center pipeline, accounted for 70.0% of new orders, a sharp jump from a year earlier. Hibiya said much of that flow runs through a facility it operates jointly with NTT Data, which it calls the DCTF, built on its track record in telecom-sector engineering. Full-year guidance, ¥105bn in sales and ¥11bn in operating profit, is unchanged from the company's May forecast.