Top 10 biggest companies in the world by market cap in 2025

Nvidia

• Current CEO: Jensen Huang
• Year of Foundation: 1993
• Country: USA
  

Nvidia has gained widespread popularity recently as its profits buoyed above most industry contemporaries. The company has always been a leader in making stand-alone GPUs; its GPUs or graphics processing units are integral for generative AI platforms like OpenAI’s ChatGPT and Google’s Bard. In March 2024, Nvidia closed with a market capitalisation of over $2 trillion. The company took only 180 days to bridge the gap between $1 trillion and $2 trillion in revenue. Apple and Microsoft took 500 days. In January 2025, Nvidia experienced the largest one-day loss in market capitalisation for a US company in history, amounting to $600 billion, following the launch of an advanced AI model by Chinese startup DeepSeek. Since then, Jensen Huang's company has more than made up the loss riding the AI and data centre wave.

Also Read: The 10 largest banks in the world in 2025

Microsoft

• Current CEO: Satya Nadella
• Year of Foundation: 1975
• Country: USA
  

Microsoft Corporation offers many products and services, including its flagship Windows operating system and Office software suite. Microsoft's influence extends beyond software, with ventures into cloud computing and hardware, solidifying its place among the largest companies by revenue. On April 4, 2025, Microsoft celebrated its 50th anniversary. In recent years, this Seattle-based company has heavily increased its AI investments. In 2023, it announced a new, multi-year, multi-billion-dollar investment deal with OpenAI, the developer of ChatGPT. In April 2024, Microsoft made a $1.5 billion investment in the Emirati AI firm G42. The company is again in the news for laying off around 9000 employees on July 2, 2025.

Also Read: The top 10 largest economies in the world in 2025

Apple

• Current CEO: Tim Cook
• Year of Foundation: 1976
• Country: USA
  

Apple Inc. is the biggest company in the world by market cap. The company is renowned for its groundbreaking products, such as the iPhone, iPad, and Mac, and they consistently push the boundaries of technology innovation. The company's commitment to innovation and high-quality design has made it a consumer favourite and a titan among the top companies by market cap. Joining the AI bandwagon, Apple also introduced Apple Intelligence in June 2024. This upgrade incorporates AI capabilities on Apple devices. Most recently, Apple has been walking the tariff tightrope since US President Donald Trump announced his sweeping plans on 'Liberation Day' (April 2, 2025). To keep the prices of its devices under control, the company is relocating manufacturing away from China to avoid the high tariffs imposed by the Trump administration on that country.

Amazon

• Current CEO: Andy Jassy
• Year of Foundation: 1994
• Country: USA
  

Amazon.com Inc. is the world's largest e-commerce company. It has diversified into cloud computing, digital streaming, and artificial intelligence. Amazon's extensive product offerings and its dominance in online retail make it a key player among the top companies by market cap. As of October 2024, Amazon is the 12th most visited website in the world, with 84 per cent of its traffic originating from the United States. According to The Wall Street Journal, Amazon now has over one million robots working in its warehouses, nearly matching its global workforce of about 1.56 million.

Alphabet (Google)

• Current CEO: Sundar Pichai
• Year of Foundation: 2015
• Country: USA
  

Google's parent company, Alphabet Inc., has a diverse portfolio that includes search engines, online advertising technologies, cloud computing, software, and hardware. Google's ubiquitous presence in the digital world contributes to Alphabet's position among the top companies by market cap. In December 2024, the company introduced its new quantum computing chip, Willow, which reduces error rates in quantum computing and can correct them in real-time. The autonomous driving division of Alphabet Inc., Waymo, now offers over 250,000 paid rides per week, totalling over 1 million miles monthly. As of March 2025, Alphabet has acquired over 200 companies, with its largest acquisition being the purchase of Wiz, a cloud security company, for $32 billion in 2025.

Also Read: The 10 most followed Instagram accounts in the world in 2025

Meta Platforms (Facebook)

• Current CEO: Mark Zuckerberg
• Year of Foundation: 2004
• Country: USA
  

Facebook Inc., renamed Meta Platforms, is a social media giant. It owns multiple platforms, including Instagram, WhatsApp, and the Oculus Metaverse. Meta aims to push the concept of the metaverse into the mainstream, promoting a virtual 3D place that’d offer lifelike experiences. Thus, Meta’s Oculus division brings a seamless virtual experience where users can participate in real-world activities. In June 2025, the company made a multibillion-dollar investment in the artificial intelligence startup Scale AI. Media reports say that the investment could exceed $10 billion. Recently, Meta has come under fire for attempting to poach talent from other companies to gain a competitive edge in the AI race.   

Saudi Aramco

• Current CEO: Amin H. Nasser
• Year of Foundation: 1933
• Country: Saudi Arabia
  

Saudi Aramco operates in the oil and gas sector. With the third biggest market cap across the globe at the moment, it is the backbone of Saudi Arabia's economy. Saudi Aramco's vast oil reserves and strategic location in the Middle East contribute to its position among the global market leaders. Saudi Aramco is sitting on about 261.1 billion barrels of crude oil reserves. The Saudi government owns 98.5 percent of the company.

Broadcom

• Current CEO: Hock E. Tan
  
• Year of Foundation: August 1991
  
• Country: USA
  

California-based Broadcom has been riding the semiconductor wave to reach the list of top 10 companies in the world by market cap. In December 2024, the tech company's market cap crossed the $1 trillion threshold. This American company designs, develops, manufactures and is a global supplier of a wide range of semiconductor and infrastructure software products. Making custom AI-chips for the biggest players in artificial intelligence arena has benefitted Broadcom.

TSMC

• Current CEO: C. C. Wei
• Year of Foundation: 1987
• Country: Taiwan
  

Taiwan Semiconductor Manufacturing Company (TSMC) is a leader in the semiconductor industry. It is the world's largest dedicated independent (pure-play) semiconductor foundry. TSMC's advanced manufacturing capabilities and role in supplying key components for a wide range of electronic devices make it a key player among the top companies by market cap. Under the CHIPS and Science Act, the US Commerce Department has agreed to provide $6.6 billion in direct funding and up to $5 billion in loans to TSMC to create semiconductor manufacturing facilities in Arizona. Donald Trump's latest 'big beautiful bill', passed by the US Senate on July 2, 2025, increases tax credits for semiconductor firms to 35% from 25%. This will benefit the company, provided that they expand their advanced manufacturing in the US ahead of a 2026 deadline.

Berkshire Hathaway

• Current CEO: Warren Buffett
• Year of Foundation: 1839
• Country: USA
  

Berkshire Hathaway Inc. is a diversified investment company. It owns many businesses and is led by Warren Buffett, one of the world's most successful investors. Berkshire Hathaway's diverse portfolio and strong leadership contribute to its high market cap.

FAQs

Q.1.What is the largest company in the world by revenue?

Walmart is the largest company in the world by revenue, generating $685.08 billion in 2024.

Q.2 What does the market cap of $1 billion indicate?

A market cap of $1 billion indicates that the total value of all a company's shares of stock is worth $1 billion.

Q.3 What factors contribute to a company's market cap?

A company's market cap is determined by the total value of its outstanding shares of stock. This value is influenced by the company's current stock price, which can be affected by various factors, including the company's earnings, the economy, and investor sentiment.

Q.4 How often does the list of top companies by market cap change?

The list of top companies by market cap can change as frequently changing stock prices influence it. These changes can occur daily, and the list can look quite different from year to year.