United Kingdom

Top 1000 largest UK Companies by Market Cap

This is the list of the largest public listed companies from the United Kingdom by market capitalization with links to their reference stock, sector and industry.

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Top Companies from the United Kingdom as of Jan. 01, 2026

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Rank Company Market Cap (USD) Country Sector Industry
1 AstraZeneca plc $284.38 B United Kingdom UK Healthcare UK Drug Manufacturers—General
2 HSBC Holdings plc $275.10 B United Kingdom UK Financials UK Banks—Diversified
3 Shell plc $211.90 B United Kingdom UK Energy UK Oil & Gas Integrated
4 Linde plc $201.21 B United Kingdom UK Basic Materials UK Specialty Chemicals
5 Unilever plc $141.61 B United Kingdom UK Consumer Staples UK Household & Personal Products
6 Rolls-Royce Holdings plc $132.92 B United Kingdom UK Industrials UK Aerospace & Defense
7 Rio Tinto Group $131.23 B United Kingdom UK Basic Materials UK Other Industrial Metals & Mining
8 British American Tobacco plc $122.62 B United Kingdom UK Consumer Staples UK Tobacco
9 GlaxoSmithKline plc $99.22 B United Kingdom UK Healthcare UK Drug Manufacturers—General
10 BP plc $90.18 B United Kingdom UK Energy UK Oil & Gas Integrated
11 Barclays plc $89.20 B United Kingdom UK Financials UK Banks—Diversified
12 Pershing Square Holdings, Ltd. $79.18 B United Kingdom UK Financials UK Asset Management
13 Lloyds Banking Group plc $78.49 B United Kingdom UK Financials UK Banks—Regional
14 National Grid plc $77.12 B United Kingdom UK Utilities UK Utilities—Diversified
15 RELX plc $73.06 B United Kingdom UK Communication Services UK Publishing
16 NatWest Group plc $70.61 B United Kingdom UK Financials UK Banks—Diversified
17 BAE Systems plc $68.71 B United Kingdom UK Industrials UK Aerospace & Defense
18 London Stock Exchange Group plc $60.40 B United Kingdom UK Financials UK Financial Data & Stock Exchanges
19 Standard Chartered plc $56.22 B United Kingdom UK Financials UK Banks—Diversified
20 Reckitt Benckiser Group plc $54.03 B United Kingdom UK Consumer Staples UK Household & Personal Products
21 Compass Group plc $53.40 B United Kingdom UK Consumer Discretionary UK Restaurants
22 Diageo plc $48.30 B United Kingdom UK Consumer Staples UK Beverages—Wineries & Distilleries
23 Ferguson plc $44.78 B United Kingdom UK Industrials UK Industrial Distribution
24 Haleon plc $44.50 B United Kingdom UK Healthcare UK Drug Manufacturers—Specialty & Generic
25 Anglo American plc $43.98 B United Kingdom UK Basic Materials UK Other Industrial Metals & Mining
26 Antofagasta plc $43.36 B United Kingdom UK Basic Materials UK Copper
27 3i Group plc $42.82 B United Kingdom UK Financials UK Asset Management
28 Prudential plc $39.28 B United Kingdom UK Financials UK Insurance—Life
29 Tesco plc $37.92 B United Kingdom UK Consumer Staples UK Grocery Stores
30 SSE plc $35.96 B United Kingdom UK Utilities UK Utilities—Diversified

Top Companies from the United Kingdom as of Jan. 01, 2026

1. AstraZeneca

Company Profile: AstraZeneca plc
Market Cap (USD): $284.38 B
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Drug Manufacturers—General

2. HSBC

Company Profile: HSBC Holdings plc
Market Cap (USD): $275.10 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Banks—Diversified

3. Shell

Company Profile: Shell plc
Market Cap (USD): $211.90 B
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas Integrated

4. Linde

Company Profile: Linde plc
Market Cap (USD): $201.21 B
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Specialty Chemicals

5. Unilever

Company Profile: Unilever plc
Market Cap (USD): $141.61 B
Country: United Kingdom
Sector: UK Consumer Staples
Industry: UK Household & Personal Products

6. Rolls-Royce Holdings plc

Company Profile: Rolls-Royce Holdings plc
Market Cap (USD): $132.92 B
Country: United Kingdom
Sector: UK Industrials
Industry: UK Aerospace & Defense

7. Rio Tinto

Company Profile: Rio Tinto Group
Market Cap (USD): $131.23 B
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Other Industrial Metals & Mining

8. British American Tobacco plc

Company Profile: British American Tobacco plc
Market Cap (USD): $122.62 B
Country: United Kingdom
Sector: UK Consumer Staples
Industry: UK Tobacco

9. GlaxoSmithKline plc

Company Profile: GlaxoSmithKline plc
Market Cap (USD): $99.22 B
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Drug Manufacturers—General

10. BP plc

Company Profile: BP plc
Market Cap (USD): $90.18 B
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas Integrated

11. Barclays plc

Company Profile: Barclays plc
Market Cap (USD): $89.20 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Banks—Diversified

12. Pershing Square Holdings, Ltd.

Company Profile: Pershing Square Holdings, Ltd.
Market Cap (USD): $79.18 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

13. Lloyds Banking Group plc

Company Profile: Lloyds Banking Group plc
Market Cap (USD): $78.49 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Banks—Regional

14. National Grid plc

Company Profile: National Grid plc
Market Cap (USD): $77.12 B
Country: United Kingdom
Sector: UK Utilities
Industry: UK Utilities—Diversified

15. RELX plc

Company Profile: RELX plc
Market Cap (USD): $73.06 B
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Publishing

16. NatWest Group plc

Company Profile: NatWest Group plc
Market Cap (USD): $70.61 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Banks—Diversified

17. BAE Systems plc

Company Profile: BAE Systems plc
Market Cap (USD): $68.71 B
Country: United Kingdom
Sector: UK Industrials
Industry: UK Aerospace & Defense

18. London Stock Exchange Group plc

Company Profile: London Stock Exchange Group plc
Market Cap (USD): $60.40 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Financial Data & Stock Exchanges

19. Standard Chartered plc

Company Profile: Standard Chartered plc
Market Cap (USD): $56.22 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Banks—Diversified

20. Reckitt Benckiser Group plc

Company Profile: Reckitt Benckiser Group plc
Market Cap (USD): $54.03 B
Country: United Kingdom
Sector: UK Consumer Staples
Industry: UK Household & Personal Products

21. Compass Group plc

Company Profile: Compass Group plc
Market Cap (USD): $53.40 B
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Restaurants

22. Diageo plc

Company Profile: Diageo plc
Market Cap (USD): $48.30 B
Country: United Kingdom
Sector: UK Consumer Staples
Industry: UK Beverages—Wineries & Distilleries

23. Ferguson plc

Company Profile: Ferguson plc
Market Cap (USD): $44.78 B
Country: United Kingdom
Sector: UK Industrials
Industry: UK Industrial Distribution

24. Haleon plc

Company Profile: Haleon plc
Market Cap (USD): $44.50 B
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Drug Manufacturers—Specialty & Generic

25. Anglo American plc

Company Profile: Anglo American plc
Market Cap (USD): $43.98 B
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Other Industrial Metals & Mining

26. Antofagasta plc

Company Profile: Antofagasta plc
Market Cap (USD): $43.36 B
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Copper

27. 3i Group plc

Company Profile: 3i Group plc
Market Cap (USD): $42.82 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

28. Prudential plc

Company Profile: Prudential plc
Market Cap (USD): $39.28 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Insurance—Life

29. Tesco plc

Company Profile: Tesco plc
Market Cap (USD): $37.92 B
Country: United Kingdom
Sector: UK Consumer Staples
Industry: UK Grocery Stores

30. SSE plc

Company Profile: SSE plc
Market Cap (USD): $35.96 B
Country: United Kingdom
Sector: UK Utilities
Industry: UK Utilities—Diversified

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