Leading tech companies worldwide 2025, by market cap

As of April 9, 2025, Apple was the leading tech company by market capitalization globally at 2.99 trillion U.S. dollars. Microsoft ranked second at just over 2.9 trillion U.S. dollars. Tech company stocks were impacted in April 2025 as a result of various global tariff threats by the United States government.

Apple leads the pack

Since its foundation in a Californian garage in 1976, Apple has expanded massively, becoming one of the most valuable companies in the world. The company started its origins in the PC industry with the Macintosh, but soon entered other segments of the consumer electronics market. Today, the iPhone is the most popular Apple product, although Mac, iPad, wearables, and services also contribute to its high revenues. Aiming at innovation, Apple invests every year in research and development, spanning a wide array of technologies from AI through to extended reality.

Nvidia's immense growth

With a focus that began with origins in gaming, Nvidia's business strategy has been transformed by demand from data centers that sit at the heart of the AI boom. The company's chips have been favored to support in the training and running of a range of large language models, most notably in the development of OpenAI's ChatGPT.