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SoftBank Corp.
SoftBank sells mobile phone plans, home internet, and business communications services to people and companies in Japan.
SoftBank is one of Japan's big three mobile carriers. If you live in Japan, it sells you the phone plan that keeps your smartphone connected, and it can also sell you the home internet line that brings broadband into your house. For companies, it sells phones, networks, and the communications plumbing that offices run on.
The business is simple at its core: customers pay every month, and that steady stream of subscription money is the engine. Phone plans are the main source, but home broadband and corporate contracts matter too, and the whole thing hangs off owning the actual network — radio towers, fiber, and the infrastructure rivals would have to build from scratch. That upfront cost is why telecom is a game of a few big players. In Japan, SoftBank competes mainly with NTT Docomo and KDDI, and the three of them together control most of the market. The tricky part is that phone plans in Japan have gotten cheaper. Regulators pushed carriers to lower prices, and a flood of budget brands squeezed the fat out of the business. SoftBank's answer is to sell more than just connectivity. It bundles services, pushes into business-to-business tech like cloud, security, and internet-of-things products, and looks for new ways to charge corporate clients as the plain phone bill gets thinner.
SoftBank also has ambitions beyond the phone. It has invested in artificial intelligence and computing, betting that future growth comes from selling businesses the brains and computing power behind AI, not just the pipe that carries data. The cash from millions of monthly subscribers funds those bets — a dependable base business paying for the next one. The risk is straightforward: a mature, price-pressured market at home, with the AI and enterprise push still proving it can grow into a real second engine.
Saved answer · last researched 12 Nov 2026