Largest companies in United Kingdom by Market Capitalization

This ranking features the largest 793 companies in United Kingdom ranked by Market Capitalization, totaling a Market Capitalization of USD 3.96 T, for June 18, 2025.

#	Name	Share Price Year-To-Date (YTD) return Price to Earnings Ratio (P/E) Revenue EBIT EBITDA Net Income Free Cash Flow Dividend Yield Free Cash Flow Yield Total Assets Total Liabilities Cash and Short-Term Investments	Stock Price	Change	Price (30 days)	52W low/high	Sector

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Frequently Asked Questions

Which company in United Kingdom has the highest Market Capitalization ?

The company in United Kingdom with the highest Market Capitalization is AstraZeneca PLC (LSE: AZN.L) at USD 225.57 B.
Which company in United Kingdom has the lowest Market Capitalization ?

The company in United Kingdom with the lowest Market Capitalization is Atlas Corp. (NasdaqGM: ATCOL) at None.

What are the top 10 companies in United Kingdom by Market Capitalization ?

The top 10 companies in United Kingdom by Market Capitalization are AstraZeneca PLC, Linde plc, Shell plc, HSBC Holdings plc, Arm Holdings plc American Depositary Shares, Unilever PLC, British American Tobacco p.l.c., Rolls-Royce Holdings plc, RELX Plc and Rio Tinto Group.
What are the bottom 10 companies in United Kingdom by Market Capitalization ?

The bottom 10 companies in United Kingdom by Market Capitalization are Atlas Corp., Rockwood Strategic Plc, Everest Global Plc, Keras Resources Plc, RC365 Holding plc, Caerus Mineral Resources Plc, R8 Capital Investments plc, PHSC plc, Sorted Group Holdings Plc and Thruvision Group plc.