The Richest Tech Companies by Revenue and Market Cap

NVIDIA has become the world's most valuable company by market capitalization, while Amazon and Apple lead in revenue among tech giants.

The top 3

Top 3 Tech Companies by Revenue: Based on the provided data for largest technology companies, Amazon leads with $637.9 billion, followed by Apple at $416.0 billion, and Alphabet at $350.0 billion.
Top 3 Tech Companies by Market Capitalization: As of September 2026, NVIDIA is the world's largest company with a market cap of $5.09 trillion, followed by Alphabet at $4.55 trillion, and Apple at $4.49 trillion.
Fastest Growing Big Tech Companies by Revenue Growth: While specific rankings for fastest-growing big tech companies by revenue growth vary, NVIDIA's data center business showed significant growth of 92% year-over-year in Q1 FY2027 (April 2026), outperforming AMD and Intel.