The Biggest Companies in the United Kingdom by Market Capitalization (March 24, 2023)

As of March 24, 2023, with its market capitalization of $210 billion, AstraZeneca PLC is the most valuable company in the United Kingdom, according to the CEOWORLD magazine. The list places SHELL PLC as the second most valuable company in the United Kingdom, towering at a $192 billion valuation, followed by HSBC HOLDINGS PLC with a market cap of $133 billion, UNILEVER PLC with a market cap of $130 billion, and RIO TINTO PLC with a market cap of $110 billion.

Market cap (i.e., market capitalization) is an essential metric in ascertaining the comparative value of firms concerning trading opportunities. We have used the latest market cap data published by the New York Stock Exchange (NYSE), the London Stock Exchange, or other most prominent global stock exchanges to rank the companies.

In the latest CEOWORLD magazine ranking of the companies, BP PLC ranks sixth with a market cap of $109 billion, and DIAGEO PLC ranks seventh with a market cap of $99 billion. BRITISH AMERICAN TOBACCO PLC places eighth in the list, with a market cap of $77 billion; meanwhile, GSK PLC ranks ninth with a market cap of $71 billion, and GLENCORE PLC ranks tenth with a market cap of $69 billion.

Ranked: Biggest Companies in the United Kingdom by Market Capitalization (March 23, 2023)

1. ASTRAZENECA PLC: $210 billion
2. SHELL PLC: $192 billion
3. HSBC HOLDINGS PLC: $133 billion
4. UNILEVER PLC: $130 billion
5. RIO TINTO PLC: $110 billion
6. BP PLC: $109 billion
7. DIAGEO PLC: $99 billion
8. BRITISH AMERICAN TOBACCO PLC: $77 billion
9. GSK PLC: $71 billion
10. GLENCORE PLC: $69 billion

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