Namura Shipbuilding

Suspending newbuilding at Sasebo and concentrating shipbuilding at Imari (2021)

Key decision·2021· Namura Shipbuilding — the full company history →

Did shrinking build the base for the recovery?

The core of this decision does not fit inside the phrase “cutting a loss-making business.” Namura had brought Sasebo under its wing in 2014 precisely to counter the Chinese and Korean yards, and it stopped that yard’s newbuilding itself just eight years later. Pressed by five straight years of operating losses, it folded a production network it had only just widened back to the one site where the numbers worked — retrenching a yard it had bought without waiting for the upturn. That is where the tension of this restructuring shows.

That said, the V-shaped recovery can be credited to the suspension only because the market reversed. Chinese and Korean capacity saturating, and Imari’s order prices improving, were external; Sasebo’s pivot to repair rests on demand from US naval vessels. Still, had Namura carried the fixed cost into a sixth losing year, it would not have had the strength left to carry the upturn through to consolidated earnings. The quality of this rebuild lies less in the shrinking itself than in the choice of which yards to keep and what to narrow them to.

Revenue and net margin, FY2016–FY2026

Revenue in ¥ bn (bars) and net margin in % (line), for the years around the decision. Shaded columns are FY2021 onwards — after it was taken.

Source: securities reports

Read the full dossier in Japanese →

The Japanese edition carries the complete record of this decision — the situation that forced it, the options weighed, what actually followed, and the sources behind every claim.

Other key decisions at Namura Shipbuilding


Yen amounts are converted at the average rate of each figure’s own year — not today’s rate; the revenue chart is shown in yen. Exchange rates & sources — the full ¥/US$ table →


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Data API

Namura Shipbuilding’s history, financials, executives and shareholders are published as static JSON — no key, plain GET. Full specification →

Method Endpoint Returns
GET /api/companies.json All companies
GET /api/7014/manifest.json Resource index
GET /api/7014/history.json History overview
GET /api/7014/timeline.json Chronology
GET /api/decisions.json All management decisions (index)
GET /api/7014/decisions.json Management decisions (index)
GET /api/7014/decisions/{slug}.json One decision (full dossier)
GET /api/7014/executives.json Executives
GET /api/7014/shareholders.json Major shareholders
GET /api/7014/financials.json Financial statements
GET /api/7014/financials-longterm.json Long-term results
GET /api/7014/segments.json Business segments
GET /api/7014/regions.json Sales by region
GET /api/7014/workforce.json Workforce