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
61 Smiths Group plc $10.12 B United Kingdom UK Industrials UK Specialty Industrial Machinery
62 Phoenix Group Holdings plc $9.99 B United Kingdom UK Financials UK Insurance—Life
63 Caspian Sunrise plc $9.99 B United Kingdom UK Energy UK Oil & Gas E&P
64 The Weir Group plc $9.97 B United Kingdom UK Industrials UK Specialty Industrial Machinery
65 St. James's Place plc $9.97 B United Kingdom UK Financials UK Financial Conglomerates
66 J Sainsbury plc $9.87 B United Kingdom UK Consumer Staples UK Grocery Stores
67 Diploma plc $9.53 B United Kingdom UK Industrials UK Industrial Distribution
68 Intertek Group plc $9.39 B United Kingdom UK Industrials UK Consulting Services
69 M&G plc $9.29 B United Kingdom UK Financials UK Asset Management
70 Bunzl plc $8.97 B United Kingdom UK Consumer Staples UK Food Distribution
71 Marks and Spencer Group plc $8.92 B United Kingdom UK Consumer Discretionary UK Department Stores
72 Pearson plc $8.71 B United Kingdom UK Communication Services UK Publishing
73 Babcock International Group plc $8.59 B United Kingdom UK Industrials UK Engineering & Construction
74 Schroders plc $8.55 B United Kingdom UK Financials UK Asset Management
75 Pendragon plc $8.31 B United Kingdom UK Consumer Discretionary UK Auto & Truck Dealerships
76 IMI plc $8.25 B United Kingdom UK Industrials UK Specialty Industrial Machinery
77 Games Workshop Group plc $8.17 B United Kingdom UK Consumer Discretionary UK Leisure
78 Intermediate Capital Group plc $8.03 B United Kingdom UK Financials UK Asset Management
79 F&C Investment Trust plc $8.01 B United Kingdom UK Financials UK Asset Management
80 Investec plc $7.84 B United Kingdom UK Financials UK Capital Markets
81 Verona Pharma plc $7.78 B

(July 1, 2025)

 United Kingdom UK Healthcare UK Biotechnology
82 Kingfisher plc $7.24 B United Kingdom UK Consumer Discretionary UK Home Improvement Retail
83 Polar Capital Technology Trust $6.99 B United Kingdom UK Financials UK Asset Management
84 Spirax-Sarco Engineering plc $6.78 B United Kingdom UK Industrials UK Specialty Industrial Machinery
85 Entain plc $6.61 B United Kingdom UK Consumer Discretionary UK Resorts & Casinos
86 Hargreaves Lansdown plc $6.56 B

(Jan. 1, 2025)

 United Kingdom UK Financials UK Asset Management
87 Auto Trader Group plc $6.56 B United Kingdom UK Communication Services UK Internet Content & Information
88 Beazley plc $6.50 B United Kingdom UK Financials UK Insurance—Property & Casualty
89 Burberry Group plc $6.36 B United Kingdom UK Consumer Discretionary UK Luxury Goods
90 Convatec Group plc $6.29 B United Kingdom UK Healthcare UK Medical Instruments & Supplies

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

61. Smiths Group plc

Company Profile: Smiths Group plc
Market Cap (USD): $10.12 B
Country: United Kingdom
Sector: UK Industrials
Industry: UK Specialty Industrial Machinery

62. Phoenix Group Holdings plc

Company Profile: Phoenix Group Holdings plc
Market Cap (USD): $9.99 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Insurance—Life

63. Caspian Sunrise plc

Company Profile: Caspian Sunrise plc
Market Cap (USD): $9.99 B
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

64. The Weir Group plc

Company Profile: The Weir Group plc
Market Cap (USD): $9.97 B
Country: United Kingdom
Sector: UK Industrials
Industry: UK Specialty Industrial Machinery

65. St. James's Place plc

Company Profile: St. James's Place plc
Market Cap (USD): $9.97 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Financial Conglomerates

66. J Sainsbury plc

Company Profile: J Sainsbury plc
Market Cap (USD): $9.87 B
Country: United Kingdom
Sector: UK Consumer Staples
Industry: UK Grocery Stores

67. Diploma plc

Company Profile: Diploma plc
Market Cap (USD): $9.53 B
Country: United Kingdom
Sector: UK Industrials
Industry: UK Industrial Distribution

68. Intertek Group plc

Company Profile: Intertek Group plc
Market Cap (USD): $9.39 B
Country: United Kingdom
Sector: UK Industrials
Industry: UK Consulting Services

69. M&G plc

Company Profile: M&G plc
Market Cap (USD): $9.29 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

70. Bunzl plc

Company Profile: Bunzl plc
Market Cap (USD): $8.97 B
Country: United Kingdom
Sector: UK Consumer Staples
Industry: UK Food Distribution

71. Marks and Spencer Group plc

Company Profile: Marks and Spencer Group plc
Market Cap (USD): $8.92 B
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Department Stores

72. Pearson plc

Company Profile: Pearson plc
Market Cap (USD): $8.71 B
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Publishing

73. Babcock International Group plc

Company Profile: Babcock International Group plc
Market Cap (USD): $8.59 B
Country: United Kingdom
Sector: UK Industrials
Industry: UK Engineering & Construction

74. Schroders plc

Company Profile: Schroders plc
Market Cap (USD): $8.55 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

75. Pendragon plc

Company Profile: Pendragon plc
Market Cap (USD): $8.31 B
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Auto & Truck Dealerships

76. IMI plc

Company Profile: IMI plc
Market Cap (USD): $8.25 B
Country: United Kingdom
Sector: UK Industrials
Industry: UK Specialty Industrial Machinery

77. Games Workshop Group plc

Company Profile: Games Workshop Group plc
Market Cap (USD): $8.17 B
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Leisure

78. Intermediate Capital Group plc

Company Profile: Intermediate Capital Group plc
Market Cap (USD): $8.03 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

79. F&C Investment Trust plc

Company Profile: F&C Investment Trust plc
Market Cap (USD): $8.01 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

80. Investec plc

Company Profile: Investec plc
Market Cap (USD): $7.84 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Capital Markets

81. 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

82. Kingfisher plc

Company Profile: Kingfisher plc
Market Cap (USD): $7.24 B
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Home Improvement Retail

83. Polar Capital Technology Trust

Company Profile: Polar Capital Technology Trust
Market Cap (USD): $6.99 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

84. Spirax-Sarco Engineering plc

Company Profile: Spirax-Sarco Engineering plc
Market Cap (USD): $6.78 B
Country: United Kingdom
Sector: UK Industrials
Industry: UK Specialty Industrial Machinery

85. Entain plc

Company Profile: Entain plc
Market Cap (USD): $6.61 B
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Resorts & Casinos

86. Hargreaves Lansdown plc

Company Profile: Hargreaves Lansdown plc
Market Cap (USD): $6.56 B (Jan. 1, 2025)
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

87. Auto Trader Group plc

Company Profile: Auto Trader Group plc
Market Cap (USD): $6.56 B
Country: United Kingdom
Sector: UK Communication Services
Industry: UK Internet Content & Information

88. Beazley plc

Company Profile: Beazley plc
Market Cap (USD): $6.50 B
Country: United Kingdom
Sector: UK Financials
Industry: UK Insurance—Property & Casualty

89. Burberry Group plc

Company Profile: Burberry Group plc
Market Cap (USD): $6.36 B
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Luxury Goods

90. 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

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