Top 10 biggest companies in the world by market cap in 2023: Global Ratings

Curious about the biggest players in the global markets? Explore the top 10 companies by market cap for 2023 and gain insights into their influence

In the ever-evolving landscape of the global economy, the top companies by market cap have become a subject of interest for investors, market enthusiasts, and even casual observers. In this article, you will find a complete summary of the top 10 companies by market capitalisation in 2023, offering a glimpse into their sectors.

Top 10 Companies by Market Cap in 2023

Which one is the biggest company in the world by market cap? It’s Apple, of course—the enterprise has taken the tech world by storm for decades. Here’s a list of the top 10 companies by market cap in 2023 (as of September 25, 2023):

CompanySectorMarket Cap (in USD)
#1 AppleTechnology$2.728 trillion
#2 MicrosoftTechnology$2.344 trillion
#3 Saudi AramcoOil & Gas$2.241 trillion
#4 Alphabet (Google)Technology$1.640 trillion
#5 AmazonE-commerce$1.339 trillion
#6 NvidiaTechnology$1.028 trillion
#7 Berkshire HathawayDiversified Investments$803.41 billion
#8 HSBC Holdings plcBanking and Financial Services$778.66.43  billion
#9 TeslaAutomotive$775.43  billion
#10 Meta PlatformsSocial Media$765.28 billion

Here, we take a more detailed look at the top 10 companies by market cap we reviewed in the table above.


  • 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.


  • 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.Also Read: The top 10 largest economies in the world in 2023

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.

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.Also Read: The 10 most followed Instagram accounts in the world in 2023


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


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

Nvidia has gained widespread popularity recently as its profits buoyed above most industry contemporaries in the previous quarter of 2023. 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.Also Read: The 10 largest banks in the world in 2023

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.\

HSBC Holdings plc

  • Current CEO: Noel Quinn
  • Year of Foundation: 1865
  • Country: England

HSBC Holdings is a multinational banking and financial services company headquartered in London, UK. It is one of the largest banking and financial services companies in the world, with operations in over 80 countries and territories.


  • Current CEO: Elon Musk
  • Year of Foundation: 2003
  • Country: USA

Tesla Inc., an automotive and energy company, is known for its electric vehicles and clean energy products. Tesla’s commitment to sustainable energy solutions and innovative approach to automotive design has made it a leader in its sector.

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.  

Eli Lilly

  • Current CEO: David A. Ricks
  • Year of Foundation: 1876
  • Country: USA

Eli Lilly and Company is an American pharmaceutical company founded in 1876 by Colonel Eli Lilly. It is headquartered in Indianapolis, Indiana, and has offices in 18 countries. Its products are sold in approximately 125 countries.


  • 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.

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