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Biggest Companies in the World by Market Cap – Investopedia

The world’s biggest companies by market cap operate within a range of different market sectors, including technology, communication services, energy, consumer cyclicals, and financial services. A company’s market cap is calculated by multiplying the total number of its shares outstanding by the current market price of a single share. The majority of the companies making up the top-10 list generate hundreds of billions of dollars in annual revenue. However, there are a few that generate less than $100 billion in annual revenue, suggesting that investors are optimistic about the potential growth of these companies compared to the others on the list.
All data below are courtesy of TradingView. All dollar values of data for Saudi Arabian Oil, which does not trade on any U.S. exchange, were converted using an exchange rate of 1 USD to 3.75 Saudi riyals. All figures below are as of Q2, 2022.

Apple has become the world's most valuable company. Apple designs, manufactures, and markets a broad range of consumer technology products, including smartphones, personal computers, tablets, wearable devices, home entertainment devices, and more. Some of its most popular products include its iPhone smartphones and Mac computers. Apple also has dramatically expanded its sales from services. It operates digital content stores, provides cloud and payment services, and recently launched AppleTV+, a streaming service for on-demand entertainment content.
Saudi Arabian Oil, better known as Saudi Aramco, is a Saudi Arabia-based integrated oil and gas company. The company was founded as Standard Oil’s overseas operations and is today owned by the Saudi government. Aramco operates both an upstream and downstream segment. Its upstream segment engages in the exploration and production of crude oil, condensate, natural gas, and natural gas liquids (NGL). The downstream segment is engaged in refining and petrochemical manufacturing, distribution, and power generation. Saudi Aramco also operates a chemicals business that makes products such as aromatics and olefins and complex products such as synthetic rubber.
Microsoft is a global developer and licensor of software, devices, solutions, and services. The company is well known for its Windows and Office Suite software as well as its XBox gaming hardware. MSFT is getting a growing share of its profit and revenue from cloud computing services, for which it is one of the market leaders. Microsoft's main cloud platform is called Azure. Microsoft also owns and operates LinkedIn, the popular social networking site for job seekers.
Alphabet is the parent of Google, whose search engine dominates the global market. The company offers a range of technologies and digital services, including search, the Android smartphone operating system, the Chrome browser, the Gmail email services, the Google Drive online file storage platform, Google Maps, Google Photos, the Google Play app store, and YouTube. The company also provides cloud services through Google Cloud, which allows developers to create and deploy applications as well as a variety of workspace collaboration tools. In addition, the company earns revenue through a growing array of hardware products such as the Pixel phones, Fitbit, and the Google Nest home collection. Alphabet also operates its Other Bets segment which includes emerging businesses such as the self-driving car business Waymo.
Amazon.com is an e-commerce retailer that sells a broad range of products and services globally and is the world’s biggest provider of cloud computing services. Its e-commerce business includes merchandise and content that it purchases for resale from vendors and those offered by third-party sellers. Amazon offers various subscription services and web services as well, including its cloud computing service and fast-growing streaming entertainment business. Additionally, the company manufactures and sells electronic devices, such as Kindle e-readers, Fire tablets, Fire TV, and Echo and Alexa. Amazon sells groceries through its subsidiary, Whole Foods Market Inc.
Tesla is a leading manufacturer of electric vehicles (EVs). The company's vehicle models include: the Model 3, a four-door, midsize sedan designed and priced for mass-market appeal; the Model Y, a compact sport utility vehicle (SUV) that seats seven adults; the Model S, a four-door, full-size sedan; and the Model X, a midsize SUV with seating for up to seven adults. The company's plans include the development and manufacture of a Cybertruck and a Tesla Semi, which is a commercial EV. Tesla also produces solar panels, provides solar energy generation, and supplies energy storage products.
Berkshire Hathaway began from the merger of two regional textiles companies in the 19th century. Only much later was it purchased by legendary investor Warren Buffett and converted into a conglomerate holding company. Berkshire Hathaway today owns a large number of subsidiaries engaged in a diverse range of business activities, including insurance, freight rail transportation, retailing, and utility and energy generation and distribution. The company also operates manufacturing businesses that make products for industrial uses, construction, and for consumers.
NVIDIA designs and develops graphics processors and related software. It was a pioneer in the development of the graphics processing unit (GPU), whose initial primary applications were in PC graphics and video games. The capabilities of the GPU are now being leveraged for use in AI and machine-learning applications. The company offers products and platforms comprised of hardware, software, services, and more to serve the gaming, professional visualization, data center, and automotive markets. Nvidia GPUs have also featured prominently in cryptocurrency mining.
Taiwan Semiconductor Manufacturing Co., or TSMC, is a Taiwan-based company that operates as a semiconductor foundry. The company manufactures a broad variety of semiconductors on silicon wafers based on the proprietary integrated circuit designs provided by its customers. Its semiconductors are used in a range of electronics products, including PCs and peripheral products, information applications, wired and wireless communication systems, industrial equipment, digital TVs, game consoles, and more.
Meta Platforms is the owner of Facebook, the world’s largest social media network. Meta provides products and digital platforms that enable individuals and businesses to connect with family and friends through mobile devices, personal computers, virtual reality (VR) headsets, and in-home devices. In addition to Facebook, it offers: Instagram, a photo-sharing app; and Messenger and WhatsApp, two separate messaging apps. The company also operates Facebook Reality Labs, which offers augmented and virtual reality products. Meta is also investing in and building the metaverse, an expansive virtual world that combines aspects of social media, online gaming, augmented reality (AR), VR, and cryptocurrencies.

While many people are interested in ranking companies by market value (market cap), the top companies by revenue differ somewhat. This could be because they are more capital-intensive and have lower profit margins. It could also mean that they are more mature companies with fewer growth prospects.
The top 5 companies by annual revenue as of Q2 2022 are:
Walmart is the world's largest employee, by far, with over 2.3 million global workers.
The top 5 companies in the world by employee count as of Q2 2022 are:

While the U.S. dominates the global stock market, companies around the world have grown to enormous size. The largest company by market cap on each continent (excluding Antarctica) are:

The biggest companies in the world today are worth several trillion dollars. This makes these companies larger and more valuable than some countries' entire economies! Today, tech and energy companies dominate the biggest corporations in the world. In the past, the trading companies, railroads, and steelworks dominated. Time will tell if these high flyers can remain in the top positions and which industries may emerge to challenge these coveted positions.
TradingView. "Price Chart: 2222.SR."
U.S. Securities and Exchange Commission. "Apple, Inc., Form 10-K, For the Fiscal Year Ended September 25, 2021," Pages 1-2.
Saudi Aramco. "Saudi Aramco Annual Report 2020," Pages 48-51, 58-61.
Microsoft Investor. "Annual Report 2021."
U.S. Securities and Exchange Commission. "Alphabet, Inc., Form 10-K, For the Fiscal Year Ended December 31, 2021," Pages 5-7, 70.
U.S. Securities and Exchange Commission. "Amazon, Inc., Form 10-K, For the Fiscal Year Ended December 31, 2021," Pages 3, 42, 46.
U.S. Securities and Exchange Commission. "Tesla, Inc., Form 10-K, For the Fiscal Year Ended December 31, 2021," Pages 4-5.
U.S. Securities and Exchange Commission. "Berkshire Hathaway, Inc., Form 10-K, For the Fiscal Year Ended December 31, 2020," Pages 1-22.
U.S. Securities and Exchange Commission. "NVIDIA, Inc., Form 10-K, For the Fiscal Year Ended January 31, 2021," Pages 4, 5-7.
U.S. Securities and Exchange Commission. "Taiwan Semiconductor Manufacturing Company Limited, Form 20-F, For the Fiscal Year Ended December 31, 2020," Pages 16-19.
U.S. Securities and Exchange Commission. "Meta Platforms, Inc., Form 10-K, For the Fiscal Year Ended December 31, 2021," Page 7.
Companies Market Cap. "Rankings by Revenue."
Companies Market Cap. "Rankings by Employees."
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Joseph Muongi

Financial.co.ke was founded by Mr. Joseph Muongi Kamau. He holds a Master of Science in Finance, Bachelors of Science in Actuarial Science and a Certificate of proficiencty in insurance. He's also the lead financial consultant.