SoftBank Corp.

Buying Sprint and absorbing eAccess — the “world campaign” (2012)

Key decision·2012· SoftBank Corp. — the full company history →

Did the ambition to be number one in the world bear fruit?

The heart of this decision was to take the cash flow earned at home, and a credible path to repayment, and move the field of growth outside a maturing Japanese market. The reading that the sales and marketing methods honed in rebuilding Vodafone Japan could be used once more in a United States converging on LTE was, in itself, coherent. But the stage was a country with a different culture and different commercial customs, and without the dealer network that had carried the advance in Japan. Even with a stated limit against throwing good money after bad, committing some ¥1.8 trillion to a market with two entrenched leaders shows the weight of the decision.

Sprint did not reach the V-shaped recovery Son had sketched, and matters were finally settled by the 2020 merger with T-Mobile. It is hard to say the American venture, launched under the banner of becoming number one in the world, bore fruit as originally intended. That said, the flow by which SoftBank changed after this acquisition from a domestic telecoms operator into a global-scale investment company led on to the Arm purchase and the SoftBank Vision Fund. The great gamble of 2012 is not easily sorted into win or loss, and its verdict appears unsettled to this day.

Revenue and net margin, FY2007–FY2017

Revenue in ¥ bn (bars) and net margin in % (line), for the years around the decision. Shaded columns are FY2012 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