SoftBank Corp.

SoftBank buys Vodafone Japan — a ¥1.75 trillion LBO, the largest in the country (2006)

Key decision·2006· SoftBank Corp. — the full company history →

The pattern of buying time

At the centre of this decision is that SoftBank, already holding the licence that is the ticket to entry, treated the time it would take to build from zero as itself a cost. Base stations, spectrum, fifteen million subscribers, a sales network — assets that would have taken years to assemble alone were obtained in a single transaction. The LBO structure, moving a ¥1.75 trillion company on ¥200 billion of its own equity, was a landmark in Japanese M&A; but it worked only because of the nature of a mobile business that keeps generating stable cash flow even while losing share. A price widely called impossible to recover was a level that could be justified only on the assumption that the buyer could actually execute a turnaround.

Looking back from the 9434 page as it stands today, this acquisition was also the moment ownership of the company passed from British to Japanese capital. Foreign money that had landed in Japan as one corner of a global strategy withdrew, and a domestic challenger took the assets over and revived them — the mirror image of the 2001 takeover. That net additions swung to first place within a year of the purchase shows that the same assets change in value according to the will of the management running them. How far a decision to “buy time” can be permitted in an industry as capital-intensive as telecommunications: for thinking about the conditions that justify an enormous price and enormous borrowings, this case remains a reference point.

Revenue and net margin, FY2001–FY2011

Revenue in ¥ bn (bars) and net margin in % (line), for the years around the decision. Shaded columns are FY2006 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 SoftBank Corp.


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

SoftBank Corp.’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/9434/manifest.json Resource index
GET /api/9434/history.json History overview
GET /api/9434/timeline.json Chronology
GET /api/decisions.json All management decisions (index)
GET /api/9434/decisions.json Management decisions (index)
GET /api/9434/decisions/{slug}.json One decision (full dossier)
GET /api/9434/executives.json Executives
GET /api/9434/shareholders.json Major shareholders
GET /api/9434/financials.json Financial statements
GET /api/9434/financials-longterm.json Long-term results
GET /api/9434/segments.json Business segments
GET /api/9434/regions.json Sales by region
GET /api/9434/workforce.json Workforce