United Kingdom

Top 115 largest UK Companies in the Healthcare sector by Market Cap

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

United Kingdom Healthcare Sector Analysis
Top UK Companies United Kingdom Analysis
World Top Companies World Companies Analysis

Top Healthcare Companies from the United Kingdom as of Jul. 01, 2025

Download Excel

Rank Company Market Cap (USD) Country Sector Industry
1 AstraZeneca plc $222.17 B United Kingdom UK Healthcare UK Drug Manufacturers—General
2 GlaxoSmithKline plc $78.56 B United Kingdom UK Healthcare UK Drug Manufacturers—General
3 Haleon plc $46.46 B United Kingdom UK Healthcare UK Drug Manufacturers—Specialty & Generic
4 Smith & Nephew plc $13.29 B United Kingdom UK Healthcare UK Medical Devices
5 Open Orphan plc $11.39 B United Kingdom UK Healthcare UK Biotechnology
6 Verona Pharma plc $7.78 B United Kingdom UK Healthcare UK Biotechnology
7 Convatec Group plc $7.69 B United Kingdom UK Healthcare UK Medical Instruments & Supplies
8 Hikma Pharmaceuticals plc $5.96 B United Kingdom UK Healthcare UK Drug Manufacturers—Specialty & Generic
9 Dechra Pharmaceuticals plc $5.59 B

(Jan. 1, 2024)

 United Kingdom UK Healthcare UK Drug Manufacturers—General
10 Abcam plc $3.58 B

(Dec. 1, 2022)

 United Kingdom UK Healthcare UK Biotechnology
11 Myovant Sciences Ltd. $2.61 B

(Jan. 1, 2023)

 United Kingdom UK Healthcare UK Biotechnology
12 LivaNova PLC $2.51 B United Kingdom UK Healthcare UK Medical Devices
13 NovoCure Limited $1.97 B United Kingdom UK Healthcare UK Medical Instruments & Supplies
14 Genus plc $1.92 B United Kingdom UK Healthcare UK Biotechnology
15 Centessa Pharmaceuticals Ltd $1.88 B United Kingdom UK Healthcare UK Biotechnology
16 Immunocore Holdings plc $1.65 B United Kingdom UK Healthcare UK Biotechnology
17 Clinigen Group plc $1.61 B

(April 1, 2022)

 United Kingdom UK Healthcare UK Medical Distribution
18 Vectura Group plc $1.36 B

(Oct. 1, 2021)

 United Kingdom UK Healthcare UK Drug Manufacturers—General
19 Spire Healthcare Group plc $1.26 B United Kingdom UK Healthcare UK Medical Care Facilities
20 EMIS Group plc $1.13 B

(July 1, 2023)

 United Kingdom UK Healthcare UK Health Information Services
21 Craneware plc $1.09 B United Kingdom UK Healthcare UK Health Information Services
22 CareTech Holdings plc $978.5 M

(Sept. 1, 2022)

 United Kingdom UK Healthcare UK Medical Care Facilities
23 Autolus Therapeutics plc $630.7 M United Kingdom UK Healthcare UK Biotechnology
24 Advanced Medical Solutions Group plc $613.3 M United Kingdom UK Healthcare UK Medical Instruments & Supplies
25 Silence Therapeutics plc $588.4 M

(Nov. 1, 2021)

 United Kingdom UK Healthcare UK Biotechnology
26 Bicycle Therapeutics plc $514.6 M United Kingdom UK Healthcare UK Biotechnology
27 Oxford Biomedica plc $488.1 M United Kingdom UK Healthcare UK Biotechnology
28 Mereo BioPharma Group plc $456.3 M United Kingdom UK Healthcare UK Biotechnology
29 Alliance Pharma plc $413.8 M

(Jan. 1, 2025)

 United Kingdom UK Healthcare UK Drug Manufacturers—Specialty & Generic
30 Orchard Therapeutics plc $373.3 M

(Jan. 1, 2024)

 United Kingdom UK Healthcare UK Biotechnology

Top Healthcare Companies from the United Kingdom as of Jul. 01, 2025

1. AstraZeneca

Company Profile: AstraZeneca plc
Market Cap (USD): $222.17 B
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Drug Manufacturers—General

2. GlaxoSmithKline plc

Company Profile: GlaxoSmithKline plc
Market Cap (USD): $78.56 B
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Drug Manufacturers—General

3. Haleon plc

Company Profile: Haleon plc
Market Cap (USD): $46.46 B
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Drug Manufacturers—Specialty & Generic

4. Smith & Nephew plc

Company Profile: Smith & Nephew plc
Market Cap (USD): $13.29 B
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Medical Devices

5. Open Orphan plc

Company Profile: Open Orphan plc
Market Cap (USD): $11.39 B
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

6. Verona Pharma plc

Company Profile: Verona Pharma plc
Market Cap (USD): $7.78 B
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

7. Convatec Group plc

Company Profile: Convatec Group plc
Market Cap (USD): $7.69 B
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Medical Instruments & Supplies

8. Hikma Pharmaceuticals plc

Company Profile: Hikma Pharmaceuticals plc
Market Cap (USD): $5.96 B
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Drug Manufacturers—Specialty & Generic

9. Dechra Pharmaceuticals plc

Company Profile: Dechra Pharmaceuticals plc
Market Cap (USD): $5.59 B (Jan. 1, 2024)
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Drug Manufacturers—General

10. Abcam plc

Company Profile: Abcam plc
Market Cap (USD): $3.58 B (Dec. 1, 2022)
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

11. Myovant Sciences Ltd.

Company Profile: Myovant Sciences Ltd.
Market Cap (USD): $2.61 B (Jan. 1, 2023)
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

12. LivaNova PLC

Company Profile: LivaNova PLC
Market Cap (USD): $2.51 B
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Medical Devices

13. NovoCure Limited

Company Profile: NovoCure Limited
Market Cap (USD): $1.97 B
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Medical Instruments & Supplies

14. Genus plc

Company Profile: Genus plc
Market Cap (USD): $1.92 B
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

15. Centessa Pharmaceuticals Ltd

Company Profile: Centessa Pharmaceuticals Ltd
Market Cap (USD): $1.88 B
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

16. Immunocore Holdings plc

Company Profile: Immunocore Holdings plc
Market Cap (USD): $1.65 B
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

17. Clinigen Group plc

Company Profile: Clinigen Group plc
Market Cap (USD): $1.61 B (April 1, 2022)
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Medical Distribution

18. Vectura Group plc

Company Profile: Vectura Group plc
Market Cap (USD): $1.36 B (Oct. 1, 2021)
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Drug Manufacturers—General

19. Spire Healthcare Group plc

Company Profile: Spire Healthcare Group plc
Market Cap (USD): $1.26 B
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Medical Care Facilities

20. EMIS Group plc

Company Profile: EMIS Group plc
Market Cap (USD): $1.13 B (July 1, 2023)
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Health Information Services

21. Craneware plc

Company Profile: Craneware plc
Market Cap (USD): $1.09 B
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Health Information Services

22. CareTech Holdings plc

Company Profile: CareTech Holdings plc
Market Cap (USD): $978.5 M (Sept. 1, 2022)
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Medical Care Facilities

23. Autolus Therapeutics plc

Company Profile: Autolus Therapeutics plc
Market Cap (USD): $630.7 M
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

24. Advanced Medical Solutions Group plc

Company Profile: Advanced Medical Solutions Group plc
Market Cap (USD): $613.3 M
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Medical Instruments & Supplies

25. Silence Therapeutics plc

Company Profile: Silence Therapeutics plc
Market Cap (USD): $588.4 M (Nov. 1, 2021)
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

26. Bicycle Therapeutics plc

Company Profile: Bicycle Therapeutics plc
Market Cap (USD): $514.6 M
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

27. Oxford Biomedica plc

Company Profile: Oxford Biomedica plc
Market Cap (USD): $488.1 M
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

28. Mereo BioPharma Group plc

Company Profile: Mereo BioPharma Group plc
Market Cap (USD): $456.3 M
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

29. Alliance Pharma plc

Company Profile: Alliance Pharma plc
Market Cap (USD): $413.8 M (Jan. 1, 2025)
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Drug Manufacturers—Specialty & Generic

30. Orchard Therapeutics plc

Company Profile: Orchard Therapeutics plc
Market Cap (USD): $373.3 M (Jan. 1, 2024)
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

Stay in touch