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.

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Top Healthcare 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 GlaxoSmithKline plc $99.22 B United Kingdom UK Healthcare UK Drug Manufacturers—General
3 Haleon plc $44.50 B United Kingdom UK Healthcare UK Drug Manufacturers—Specialty & Generic
4 Smith & Nephew plc $13.90 B United Kingdom UK Healthcare UK Medical Devices
5 Verona Pharma plc $7.78 B

(July 1, 2025)

 United Kingdom UK Healthcare UK Biotechnology
6 Convatec Group plc $6.29 B United Kingdom UK Healthcare UK Medical Instruments & Supplies
7 Dechra Pharmaceuticals plc $5.59 B

(Jan. 1, 2024)

 United Kingdom UK Healthcare UK Drug Manufacturers—General
8 Hikma Pharmaceuticals plc $4.54 B United Kingdom UK Healthcare UK Drug Manufacturers—Specialty & Generic
9 Abcam plc $3.58 B

(Dec. 1, 2022)

 United Kingdom UK Healthcare UK Biotechnology
10 Centessa Pharmaceuticals Ltd $3.46 B United Kingdom UK Healthcare UK Biotechnology
11 LivaNova PLC $3.31 B United Kingdom UK Healthcare UK Medical Devices
12 Myovant Sciences Ltd. $2.61 B

(Jan. 1, 2023)

 United Kingdom UK Healthcare UK Biotechnology
13 Genus plc $2.27 B United Kingdom UK Healthcare UK Biotechnology
14 Immunocore Holdings plc $1.71 B United Kingdom UK Healthcare UK Biotechnology
15 Clinigen Group plc $1.61 B

(April 1, 2022)

 United Kingdom UK Healthcare UK Medical Distribution
16 NovoCure Limited $1.47 B United Kingdom UK Healthcare UK Medical Instruments & Supplies
17 Vectura Group plc $1.36 B

(Oct. 1, 2021)

 United Kingdom UK Healthcare UK Drug Manufacturers—General
18 EMIS Group plc $1.13 B

(July 1, 2023)

 United Kingdom UK Healthcare UK Health Information Services
19 Oxford Biomedica plc $1.06 B United Kingdom UK Healthcare UK Biotechnology
20 CareTech Holdings plc $978.5 M

(Sept. 1, 2022)

 United Kingdom UK Healthcare UK Medical Care Facilities
21 Craneware plc $912.8 M United Kingdom UK Healthcare UK Health Information Services
22 Spire Healthcare Group plc $911.9 M United Kingdom UK Healthcare UK Medical Care Facilities
23 Advanced Medical Solutions Group plc $636.0 M United Kingdom UK Healthcare UK Medical Instruments & Supplies
24 COMPASS Pathways plc $628.9 M United Kingdom UK Healthcare UK Medical Care Facilities
25 Silence Therapeutics plc $588.4 M

(Nov. 1, 2021)

 United Kingdom UK Healthcare UK Biotechnology
26 Autolus Therapeutics plc $497.7 M United Kingdom UK Healthcare UK Biotechnology
27 Bicycle Therapeutics plc $463.4 M United Kingdom UK Healthcare UK Biotechnology
28 Alliance Pharma plc $413.8 M

(Jan. 1, 2025)

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

(Jan. 1, 2024)

 United Kingdom UK Healthcare UK Biotechnology
30 Amryt Pharma plc $372.9 M

(Jan. 1, 2022)

 United Kingdom UK Healthcare UK Drug Manufacturers—Specialty & Generic

Top Healthcare 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. GlaxoSmithKline plc

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

3. Haleon plc

Company Profile: Haleon plc
Market Cap (USD): $44.50 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): $13.90 B
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Medical Devices

5. Verona Pharma plc

Company Profile: Verona Pharma plc
Market Cap (USD): $7.78 B (July 1, 2025)
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

6. Convatec Group plc

Company Profile: Convatec Group plc
Market Cap (USD): $6.29 B
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Medical Instruments & Supplies

7. 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

8. Hikma Pharmaceuticals plc

Company Profile: Hikma Pharmaceuticals plc
Market Cap (USD): $4.54 B
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Drug Manufacturers—Specialty & Generic

9. Abcam plc

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

10. Centessa Pharmaceuticals Ltd

Company Profile: Centessa Pharmaceuticals Ltd
Market Cap (USD): $3.46 B
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

11. LivaNova PLC

Company Profile: LivaNova PLC
Market Cap (USD): $3.31 B
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Medical Devices

12. 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

13. Genus plc

Company Profile: Genus plc
Market Cap (USD): $2.27 B
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

14. Immunocore Holdings plc

Company Profile: Immunocore Holdings plc
Market Cap (USD): $1.71 B
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

15. 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

16. NovoCure Limited

Company Profile: NovoCure Limited
Market Cap (USD): $1.47 B
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Medical Instruments & Supplies

17. 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

18. 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

19. Oxford Biomedica plc

Company Profile: Oxford Biomedica plc
Market Cap (USD): $1.06 B
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

20. 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

21. Craneware plc

Company Profile: Craneware plc
Market Cap (USD): $912.8 M
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Health Information Services

22. Spire Healthcare Group plc

Company Profile: Spire Healthcare Group plc
Market Cap (USD): $911.9 M
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Medical Care Facilities

23. Advanced Medical Solutions Group plc

Company Profile: Advanced Medical Solutions Group plc
Market Cap (USD): $636.0 M
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Medical Instruments & Supplies

24. COMPASS Pathways plc

Company Profile: COMPASS Pathways plc
Market Cap (USD): $628.9 M
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Medical Care Facilities

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. Autolus Therapeutics plc

Company Profile: Autolus Therapeutics plc
Market Cap (USD): $497.7 M
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

27. Bicycle Therapeutics plc

Company Profile: Bicycle Therapeutics plc
Market Cap (USD): $463.4 M
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

28. 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

29. 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

30. Amryt Pharma plc

Company Profile: Amryt Pharma plc
Market Cap (USD): $372.9 M (Jan. 1, 2022)
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Drug Manufacturers—Specialty & Generic

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