Top 1000 largest UK Companies by Market Cap in 2023

This is the list of the 1000 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, 2023

Ranking Company Market Cap (USD) Stock Country Sector Industry
1 AstraZeneca plc $217.81 B AZN United Kingdom Healthcare Drug Manufacturers—General
2 Shell plc $196.71 B SHEL United Kingdom Energy Oil & Gas Integrated
3 Linde plc $156.93 B LIN United Kingdom Basic Materials Specialty Chemicals
4 HSBC Holdings plc $130.24 B HSBA United Kingdom Financials Banks
5 Unilever plc $127.41 B ULVR United Kingdom Consumer Staples Household & Personal Products
6 Rio Tinto Group $114.85 B RIO United Kingdom Basic Materials Other Industrial Metals & Mining
7 BP plc $107.29 B BP. United Kingdom Energy Oil & Gas Integrated
8 Diageo plc $100.32 B DGE United Kingdom Consumer Staples Beverages—Wineries & Distilleries
9 British American Tobacco plc $90.56 B BATS United Kingdom Consumer Staples Tobacco
10 GlaxoSmithKline plc $89.03 B GSK United Kingdom Healthcare Drug Manufacturers—General
11 Aon Plc $61.94 B AON United Kingdom Financials Insurance Brokers
12 RELX plc $54.56 B REL United Kingdom Communication Services Publishing
13 Anglo American plc $52.44 B AAL United Kingdom Basic Materials Other Industrial Metals & Mining
14 Reckitt Benckiser Group plc $49.67 B RKT United Kingdom Consumer Staples Household & Personal Products
15 London Stock Exchange Group plc $48.72 B LSEG United Kingdom Financials Financial Data & Stock Exchanges
16 National Grid plc $45.31 B NG. United Kingdom Utilities Utilities—Diversified
17 Compass Group plc $41.88 B CPG United Kingdom Consumer Discretionary Restaurants
18 General Accident plc $41.16 B GACA United Kingdom Financials Insurance—Property & Casualty
19 Prudential plc $41.01 B PRU United Kingdom Financials Insurance—Life
20 Lloyds Banking Group plc $38.19 B LLOY United Kingdom Financials Banks
21 BAE Systems plc $32.20 B BA. United Kingdom Industrials Aerospace & Defense
22 NatWest Group plc $31.83 B NWG United Kingdom Financials Banks
23 Barclays plc $31.60 B BARC United Kingdom Financials Banks
24 Willis Towers Watson plc $28.85 B WLTW United Kingdom Financials Insurance Brokers
25 Vodafone Group plc $28.00 B VOD United Kingdom Communication Services Telecom Services
26 Ferguson plc $27.10 B FERG United Kingdom Industrials Industrial Distribution
27 Ashtead Group plc $25.86 B AHT United Kingdom Industrials Rental & Leasing Services
28 Standard Chartered plc $24.13 B STAN United Kingdom Financials Banks
29 Imperial Brands plc $23.57 B IMB United Kingdom Consumer Staples Tobacco
30 SSE plc $21.76 B SSE United Kingdom Utilities Utilities—Diversified
31 CNH Industrial N.V. $21.75 B CNHI United Kingdom Industrials Farm & Heavy Construction Machinery
32 Tesco plc $21.41 B TSCO United Kingdom Consumer Staples Grocery Stores
33 Antofagasta plc $19.13 B ANTO United Kingdom Basic Materials Copper
34 Legal & General Group plc $18.57 B LGEN United Kingdom Financials Insurance—Life
35 Associated British Foods plc $16.55 B ABF United Kingdom Consumer Staples Packaged Foods
36 3i Group plc $15.83 B III United Kingdom Financials Asset Management
37 Rentokil Initial plc $15.21 B RTO United Kingdom Industrials Specialty Business Services
38 Aviva plc $15.18 B AV. United Kingdom Financials Insurance—Diversified
39 BT Group plc $14.81 B BT.A United Kingdom Communication Services Telecom Services
40 Open Orphan plc $13.88 B ORPH United Kingdom Healthcare Biotechnology
41 NovoCure Limited $13.46 B NVCR United Kingdom Healthcare Medical Instruments & Supplies
42 Scottish Mortgage Investment Trust plc $12.66 B SMT United Kingdom Financials Asset Management
43 Smith & Nephew plc $12.24 B SN. United Kingdom Healthcare Medical Devices
44 AVEVA Group plc $11.71 B AVV United Kingdom Technology Software—Application
45 SEGRO plc $11.69 B SGRO United Kingdom Real Estate REIT—Industrial
46 Bunzl plc $11.64 B BNZL United Kingdom Consumer Staples Food Distribution
47 WPP plc $11.07 B WPP United Kingdom Communication Services Advertising Agencies
48 Croda International plc $10.96 B CRDA United Kingdom Basic Materials Specialty Chemicals
49 Informa plc $10.89 B INF United Kingdom Communication Services Publishing
50 InterContinental Hotels Group plc $10.53 B IHG United Kingdom Consumer Discretionary Lodging

Top Companies from the United Kingdom as of Jan. 01, 2023

9. British American Tobacco plc

Market Cap (USD): $90.56 B

Stock: BATS

Country: United Kingdom

Sector: Consumer Staples

Industry: Tobacco

business British American Tobacco plc Company Profile

20. Lloyds Banking Group plc

Market Cap (USD): $38.19 B

Stock: LLOY

Country: United Kingdom

Sector: Financials

Industry: Banks

business Lloyds Banking Group plc Company Profile

22. NatWest Group plc

Market Cap (USD): $31.83 B

Stock: NWG

Country: United Kingdom

Sector: Financials

Industry: Banks

business NatWest Group plc Company Profile

23. Barclays plc

Market Cap (USD): $31.60 B

Stock: BARC

Country: United Kingdom

Sector: Financials

Industry: Banks

business Barclays plc Company Profile

24. Willis Towers Watson plc

Market Cap (USD): $28.85 B

Stock: WLTW

Country: United Kingdom

Sector: Financials

Industry: Insurance Brokers

business Willis Towers Watson plc Company Profile

28. Standard Chartered plc

Market Cap (USD): $24.13 B

Stock: STAN

Country: United Kingdom

Sector: Financials

Industry: Banks

business Standard Chartered plc Company Profile

29. Imperial Brands plc

Market Cap (USD): $23.57 B

Stock: IMB

Country: United Kingdom

Sector: Consumer Staples

Industry: Tobacco

business Imperial Brands plc Company Profile

33. Antofagasta plc

Market Cap (USD): $19.13 B

Stock: ANTO

Country: United Kingdom

Sector: Basic Materials

Industry: Copper

business Antofagasta plc Company Profile

34. Legal & General Group plc

Market Cap (USD): $18.57 B

Stock: LGEN

Country: United Kingdom

Sector: Financials

Industry: Insurance—Life

business Legal & General Group plc Company Profile

35. Associated British Foods plc

Market Cap (USD): $16.55 B

Stock: ABF

Country: United Kingdom

Sector: Consumer Staples

Industry: Packaged Foods

business Associated British Foods plc Company Profile

42. Scottish Mortgage Investment Trust plc

Market Cap (USD): $12.66 B

Stock: SMT

Country: United Kingdom

Sector: Financials

Industry: Asset Management

business Scottish Mortgage Investment Trust plc Company Profile

43. Smith & Nephew plc

Market Cap (USD): $12.24 B

Stock: SN.

Country: United Kingdom

Sector: Healthcare

Industry: Medical Devices

business Smith & Nephew plc Company Profile

50. InterContinental Hotels Group plc

Market Cap (USD): $10.53 B

Stock: IHG

Country: United Kingdom

Sector: Consumer Discretionary

Industry: Lodging

business InterContinental Hotels Group plc Company Profile