Hitachi is one of Japan's largest diversified industrial conglomerates, with core businesses spanning digital systems and services, green energy and mobility, connective industries, and Lumada digital platform solutions. The company has undergone significant portfolio transformation over the past decade, divesting consumer electronics and commodity businesses to focus on high-value infrastructure, industrial, and IT services. Hitachi's Lumada platform aggregates operational data from infrastructure and industrial systems to deliver analytics and optimization services to customers globally.

For international investors, Hitachi is one of Japan's most transformed and globally respected industrial conglomerates, having refocused its sprawling operations into a coherent digital and green infrastructure business. The company's Lumada digital solutions platform, IT services, railway systems, and energy infrastructure businesses generate revenues across global markets. Hitachi's disciplined portfolio restructuring over the past decade — including divestiture of non-core businesses — has significantly improved financial performance and is widely regarded as a model of Japanese corporate transformation.