Top 10 most valuable companies in the world 2025: Apple joins NVIDIA and Microsoft in the $4 trillion club

Top 10 most valuable companies in the world 2025 list: Apple’s market cap surged past $4 trillion on Tuesday, propelled by blockbuster iPhone 17 sales—making it the third company ever to hit the milestone.

Top 10 largest companies in the world by market cap, as of October 2025. (Source: Adobe)

Top 10 most valuable companies in the world 2025: Global markets have been roiled by trade wars, tariff threats, and economic uncertainty in recent months, yet a handful of tech titans continue to defy gravity.

NVIDIA, under CEO Jensen Huang, became the first company to eclipse $4 trillion in market capitalisation earlier this year, overtaking Microsoft and Apple in the process.

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Microsoft crossed the same threshold in July 2025. Apple followed on Tuesday, cementing its place in the exclusive $4 trillion club after a sharp share-price rally.

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The surge was fuelled by the September launch of the iPhone 17 series, which has shattered sales records for the company.

Apple shares are up 25 per cent over the past three months; Microsoft’s have risen a more modest 6 per cent.

Valuations remain volatile, and the race at the top is intense. Alphabet, Meta Platforms, Amazon, and Tesla all lurk close behind.

The list is dominated by U.S. giants, but two non-American heavyweights still crack the top 10: Saudi Aramco ($1.669 trillion) and Taiwan Semiconductor Manufacturing Company (TSMC, $1.563 trillion).

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Top 10 most valuable companies in the world by market capitalisation | October 2025:

Rank	Company	Market Cap (USD)	Country
1	NVIDIA	$4.894 T	USA
2	Microsoft	$4.029 T	USA
3	Apple	$3.992 T	USA
4	Alphabet (Google)	$3.239 T	USA
5	Amazon	$2.444 T	USA
6	Meta Platforms (Facebook)	$1.887 T	USA
7	Broadcom	$1.761 T	USA
8	Saudi Aramco	$1.669 T	Saudi Arabia
9	TSMC	$1.563 T	Taiwan
10	Tesla	$1.531 T	USA

Source: companiesmarketcap.com

Note: Market capitalisation is dynamic and varies with the share price of a firm. It might change dramatically over time or even from day to day, with the aforementioned market capitalisation noted as of October 29, 2025.

Which is India’s largest company by market capitalisation?

India’s most valuable company, Reliance Industries Ltd., now ranks as the 69th largest company in the world by market cap, as of October 2025.

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With a present market cap of $230.69 billion, which is estimated to be Rs 20.358T. It marked a significant decline from last year’s 46th position.

Cherry Gupta

Cherry Gupta is an Assistant Manager – Content at The Indian Express. She leads the Top 10 section, curating list-based features on key national and international developments, and manages daily news content. She also produces SEO-driven articles and collaborates with the Lifestyle team to conduct interviews with notable artists and write workplace culture features. ... Read More