Largest 1000 UK Companies in 2023

                    
Top 1000 largest UK Companies by Market Cap in 2023This 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

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

1. AstraZeneca

Market Cap (USD): $217.81 B

Stock: AZN

Country: United Kingdom

Sector: Healthcare

Industry: Drug Manufacturers—General

AstraZeneca Company Profile

2. Shell

Market Cap (USD): $196.71 B

Stock: SHEL

Country: United Kingdom

Sector: Energy

Industry: Oil & Gas Integrated

Shell Company Profile

3. Linde

Market Cap (USD): $156.93 B

Stock: LIN

Country: United Kingdom

Sector: Basic Materials

Industry: Specialty Chemicals

Linde Company Profile

4. HSBC

Market Cap (USD): $130.24 B

Stock: HSBA

Country: United Kingdom

Sector: Financials

Industry: Banks

HSBC Company Profile

5. Unilever

Market Cap (USD): $127.41 B

Stock: ULVR

Country: United Kingdom

Sector: Consumer Staples

Industry: Household & Personal Products

Unilever Company Profile

6. Rio Tinto

Market Cap (USD): $114.85 B

Stock: RIO

Country: United Kingdom

Sector: Basic Materials

Industry: Other Industrial Metals & Mining

Rio Tinto Company Profile

7. BP plc

Market Cap (USD): $107.29 B

Stock: BP.

Country: United Kingdom

Sector: Energy

Industry: Oil & Gas Integrated

BP plc Company Profile

8. Diageo plc

Market Cap (USD): $100.32 B

Stock: DGE

Country: United Kingdom

Sector: Consumer Staples

Industry: Beverages—Wineries & Distilleries

Diageo plc Company Profile

9. British American Tobacco plc

Market Cap (USD): $90.56 B

Stock: BATS

Country: United Kingdom

Sector: Consumer Staples

Industry: Tobacco

British American Tobacco plc Company Profile

10. GlaxoSmithKline plc

Market Cap (USD): $89.03 B

Stock: GSK

Country: United Kingdom

Sector: Healthcare

Industry: Drug Manufacturers—General

GlaxoSmithKline plc Company Profile

11. Aon Plc

Market Cap (USD): $61.94 B

Stock: AON

Country: United Kingdom

Sector: Financials

Industry: Insurance Brokers

Aon Plc Company Profile

12. RELX plc

Market Cap (USD): $54.56 B

Stock: REL

Country: United Kingdom

Sector: Communication Services

Industry: Publishing

RELX plc Company Profile

13. Anglo American plc

Market Cap (USD): $52.44 B

Stock: AAL

Country: United Kingdom

Sector: Basic Materials

Industry: Other Industrial Metals & Mining

Anglo American plc Company Profile

14. Reckitt Benckiser Group plc

Market Cap (USD): $49.67 B

Stock: RKT

Country: United Kingdom

Sector: Consumer Staples

Industry: Household & Personal Products

Reckitt Benckiser Group plc Company Profile

15. London Stock Exchange Group plc

Market Cap (USD): $48.72 B

Stock: LSEG

Country: United Kingdom

Sector: Financials

Industry: Financial Data & Stock Exchanges

London Stock Exchange Group plc Company Profile

16. National Grid plc

Market Cap (USD): $45.31 B

Stock: NG.

Country: United Kingdom

Sector: Utilities

Industry: Utilities—Diversified

National Grid plc Company Profile

17. Compass Group plc

Market Cap (USD): $41.88 B

Stock: CPG

Country: United Kingdom

Sector: Consumer Discretionary

Industry: Restaurants

Compass Group plc Company Profile

18. General Accident plc

Market Cap (USD): $41.16 B

Stock: GACA

Country: United Kingdom

Sector: Financials

Industry: Insurance—Property & Casualty

General Accident plc Company Profile

19. Prudential plc

Market Cap (USD): $41.01 B

Stock: PRU

Country: United Kingdom

Sector: Financials

Industry: Insurance—Life

Prudential plc Company Profile

20. Lloyds Banking Group plc

Market Cap (USD): $38.19 B

Stock: LLOY

Country: United Kingdom

Sector: Financials

Industry: Banks

Lloyds Banking Group plc Company Profile

21. BAE Systems plc

Market Cap (USD): $32.20 B

Stock: BA.

Country: United Kingdom

Sector: Industrials

Industry: Aerospace & Defense

BAE Systems plc Company Profile

22. NatWest Group plc

Market Cap (USD): $31.83 B

Stock: NWG

Country: United Kingdom

Sector: Financials

Industry: Banks

NatWest Group plc Company Profile

23. Barclays plc

Market Cap (USD): $31.60 B

Stock: BARC

Country: United Kingdom

Sector: Financials

Industry: Banks

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

Willis Towers Watson plc Company Profile

25. Vodafone Group plc

Market Cap (USD): $28.00 B

Stock: VOD

Country: United Kingdom

Sector: Communication Services

Industry: Telecom Services

Vodafone Group plc Company Profile

26. Ferguson plc

Market Cap (USD): $27.10 B

Stock: FERG

Country: United Kingdom

Sector: Industrials

Industry: Industrial Distribution

Ferguson plc Company Profile

27. Ashtead Group plc

Market Cap (USD): $25.86 B

Stock: AHT

Country: United Kingdom

Sector: Industrials

Industry: Rental & Leasing Services

Ashtead Group plc Company Profile

28. Standard Chartered plc

Market Cap (USD): $24.13 B

Stock: STAN

Country: United Kingdom

Sector: Financials

Industry: Banks

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

Imperial Brands plc Company Profile

30. SSE plc

Market Cap (USD): $21.76 B

Stock: SSE

Country: United Kingdom

Sector: Utilities

Industry: Utilities—Diversified

SSE plc Company Profile

31. CNH Industrial N.V.

Market Cap (USD): $21.75 B

Stock: CNHI

Country: United Kingdom

Sector: Industrials

Industry: Farm & Heavy Construction Machinery

CNH Industrial N.V. Company Profile

32. Tesco plc

Market Cap (USD): $21.41 B

Stock: TSCO

Country: United Kingdom

Sector: Consumer Staples

Industry: Grocery Stores

Tesco plc Company Profile

33. Antofagasta plc

Market Cap (USD): $19.13 B

Stock: ANTO

Country: United Kingdom

Sector: Basic Materials

Industry: Copper

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

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

Associated British Foods plc Company Profile

36. 3i Group plc

Market Cap (USD): $15.83 B

Stock: III

Country: United Kingdom

Sector: Financials

Industry: Asset Management

3i Group plc Company Profile

37. Rentokil Initial plc

Market Cap (USD): $15.21 B

Stock: RTO

Country: United Kingdom

Sector: Industrials

Industry: Specialty Business Services

Rentokil Initial plc Company Profile

38. Aviva plc

Market Cap (USD): $15.18 B

Stock: AV.

Country: United Kingdom

Sector: Financials

Industry: Insurance—Diversified

Aviva plc Company Profile

39. BT Group plc

Market Cap (USD): $14.81 B

Stock: BT.A

Country: United Kingdom

Sector: Communication Services

Industry: Telecom Services

BT Group plc Company Profile

40. Open Orphan plc

Market Cap (USD): $13.88 B

Stock: ORPH

Country: United Kingdom

Sector: Healthcare

Industry: Biotechnology

Open Orphan plc Company Profile

41. NovoCure Limited

Market Cap (USD): $13.46 B

Stock: NVCR

Country: United Kingdom

Sector: Healthcare

Industry: Medical Instruments & Supplies

NovoCure Limited Company Profile

42. Scottish Mortgage Investment Trust plc

Market Cap (USD): $12.66 B

Stock: SMT

Country: United Kingdom

Sector: Financials

Industry: Asset Management

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

Smith & Nephew plc Company Profile

44. Aveva

Market Cap (USD): $11.71 B

Stock: AVV

Country: United Kingdom

Sector: Technology

Industry: Software—Application

Aveva Company Profile

45. SEGRO plc

Market Cap (USD): $11.69 B

Stock: SGRO

Country: United Kingdom

Sector: Real Estate

Industry: REIT—Industrial

SEGRO plc Company Profile

46. Bunzl plc

Market Cap (USD): $11.64 B

Stock: BNZL

Country: United Kingdom

Sector: Consumer Staples

Industry: Food Distribution

Bunzl plc Company Profile

47. WPP plc

Market Cap (USD): $11.07 B

Stock: WPP

Country: United Kingdom

Sector: Communication Services

Industry: Advertising Agencies

WPP plc Company Profile

48. Croda International plc

Market Cap (USD): $10.96 B

Stock: CRDA

Country: United Kingdom

Sector: Basic Materials

Industry: Specialty Chemicals

Croda International plc Company Profile

49. Informa plc

Market Cap (USD): $10.89 B

Stock: INF

Country: United Kingdom

Sector: Communication Services

Industry: Publishing

Informa plc Company Profile

50. InterContinental Hotels Group plc

Market Cap (USD): $10.53 B

Stock: IHG

Country: United Kingdom

Sector: Consumer Discretionary

Industry: Lodging

InterContinental Hotels Group plc Company Profile

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