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, 2025

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Rank Company Market Cap (USD) Country Sector Industry
571 Montanaro European Smaller Companies Trust plc $351.9 M United Kingdom UK Financials UK Asset Management
572 B.P. Marsh & Partners plc $351.4 M United Kingdom UK Financials UK Asset Management
573 Halfords Group plc $349.4 M United Kingdom UK Consumer Discretionary UK Specialty Retail
574 Real Estate Credit Investments Limited $348.1 M United Kingdom UK Financials UK Asset Management
575 Treatt plc $346.2 M United Kingdom UK Basic Materials UK Specialty Chemicals
576 Central Asia Metals plc $346.2 M United Kingdom UK Basic Materials UK Copper
577 COMPASS Pathways plc $344.8 M United Kingdom UK Healthcare UK Medical Care Facilities
578 K3 Capital Group plc $343.0 M

(Feb. 1, 2023)

 United Kingdom UK Financials UK Capital Markets
579 Aberdeen Global Premier Properties Fund $342.9 M United Kingdom UK Financials UK Asset Management
580 Medica Group plc $339.1 M

(July 1, 2023)

 United Kingdom UK Healthcare UK Medical Devices
581 Aurora Investment Trust $335.0 M United Kingdom UK Financials UK Asset Management
582 Impax Asset Management Group plc $331.1 M United Kingdom UK Financials UK Asset Management
583 Franchise Brands plc $330.7 M United Kingdom UK Industrials UK Specialty Business Services
584 Marlowe plc $329.9 M United Kingdom UK Industrials UK Security & Protection Services
585 Griffin Mining Limited $329.7 M United Kingdom UK Basic Materials UK Other Industrial Metals & Mining
586 Aberdeen New Dawn Investment Trust plc $327.6 M

(July 1, 2023)

 United Kingdom UK Financials UK Asset Management
587 Equals Group plc $327.3 M United Kingdom UK Financials UK Credit Services
588 Marston's plc $327.1 M United Kingdom UK Consumer Discretionary UK Restaurants
589 Costain Group plc $323.8 M United Kingdom UK Industrials UK Engineering & Construction
590 Liontrust Asset Management plc $323.4 M United Kingdom UK Financials UK Asset Management
591 CC Japan Income & Growth Trust plc $321.1 M United Kingdom UK Financials UK Asset Management
592 McKay Securities plc $321.0 M

(May 1, 2022)

 United Kingdom UK Real Estate UK REIT—Diversified
593 The Property Franchise Group plc $319.3 M United Kingdom UK Real Estate UK Real Estate Services
594 The Gym Group plc $317.4 M United Kingdom UK Consumer Discretionary UK Leisure
595 Baillie Gifford UK Growth $317.3 M United Kingdom UK Financials UK Asset Management
596 dotdigital Group plc $315.8 M United Kingdom UK Technology UK Software—Application
597 Biotech Growth Trust (The) plc $314.8 M United Kingdom UK Financials UK Asset Management
598 International Biotechnology Trust $312.6 M United Kingdom UK Financials UK Asset Management
599 Anglo-Eastern Plantations plc $312.2 M United Kingdom UK Consumer Staples UK Farm Products
600 EnQuest plc $312.0 M United Kingdom UK Energy UK Oil & Gas E&P

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

571. Montanaro European Smaller Companies Trust plc

Company Profile: Montanaro European Smaller Companies Trust plc
Market Cap (USD): $351.9 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

572. B.P. Marsh & Partners plc

Company Profile: B.P. Marsh & Partners plc
Market Cap (USD): $351.4 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

573. Halfords Group plc

Company Profile: Halfords Group plc
Market Cap (USD): $349.4 M
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Specialty Retail

574. Real Estate Credit Investments Limited

Company Profile: Real Estate Credit Investments Limited
Market Cap (USD): $348.1 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

575. Treatt plc

Company Profile: Treatt plc
Market Cap (USD): $346.2 M
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Specialty Chemicals

576. Central Asia Metals plc

Company Profile: Central Asia Metals plc
Market Cap (USD): $346.2 M
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Copper

577. COMPASS Pathways plc

Company Profile: COMPASS Pathways plc
Market Cap (USD): $344.8 M
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Medical Care Facilities

578. K3 Capital Group plc

Company Profile: K3 Capital Group plc
Market Cap (USD): $343.0 M (Feb. 1, 2023)
Country: United Kingdom
Sector: UK Financials
Industry: UK Capital Markets

579. Aberdeen Global Premier Properties Fund

Company Profile: Aberdeen Global Premier Properties Fund
Market Cap (USD): $342.9 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

580. Medica Group plc

Company Profile: Medica Group plc
Market Cap (USD): $339.1 M (July 1, 2023)
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Medical Devices

581. Aurora Investment Trust

Company Profile: Aurora Investment Trust
Market Cap (USD): $335.0 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

582. Impax Asset Management Group plc

Company Profile: Impax Asset Management Group plc
Market Cap (USD): $331.1 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

583. Franchise Brands plc

Company Profile: Franchise Brands plc
Market Cap (USD): $330.7 M
Country: United Kingdom
Sector: UK Industrials
Industry: UK Specialty Business Services

584. Marlowe plc

Company Profile: Marlowe plc
Market Cap (USD): $329.9 M
Country: United Kingdom
Sector: UK Industrials
Industry: UK Security & Protection Services

585. Griffin Mining Limited

Company Profile: Griffin Mining Limited
Market Cap (USD): $329.7 M
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Other Industrial Metals & Mining

586. Aberdeen New Dawn Investment Trust plc

Company Profile: Aberdeen New Dawn Investment Trust plc
Market Cap (USD): $327.6 M (July 1, 2023)
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

587. Equals Group plc

Company Profile: Equals Group plc
Market Cap (USD): $327.3 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Credit Services

588. Marston's plc

Company Profile: Marston's plc
Market Cap (USD): $327.1 M
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Restaurants

589. Costain Group plc

Company Profile: Costain Group plc
Market Cap (USD): $323.8 M
Country: United Kingdom
Sector: UK Industrials
Industry: UK Engineering & Construction

590. Liontrust Asset Management plc

Company Profile: Liontrust Asset Management plc
Market Cap (USD): $323.4 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

591. CC Japan Income & Growth Trust plc

Company Profile: CC Japan Income & Growth Trust plc
Market Cap (USD): $321.1 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

592. McKay Securities plc

Company Profile: McKay Securities plc
Market Cap (USD): $321.0 M (May 1, 2022)
Country: United Kingdom
Sector: UK Real Estate
Industry: UK REIT—Diversified

593. The Property Franchise Group plc

Company Profile: The Property Franchise Group plc
Market Cap (USD): $319.3 M
Country: United Kingdom
Sector: UK Real Estate
Industry: UK Real Estate Services

594. The Gym Group plc

Company Profile: The Gym Group plc
Market Cap (USD): $317.4 M
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Leisure

595. Baillie Gifford UK Growth

Company Profile: Baillie Gifford UK Growth
Market Cap (USD): $317.3 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

596. dotdigital Group plc

Company Profile: dotdigital Group plc
Market Cap (USD): $315.8 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

597. Biotech Growth Trust (The) plc

Company Profile: Biotech Growth Trust (The) plc
Market Cap (USD): $314.8 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

598. International Biotechnology Trust

Company Profile: International Biotechnology Trust
Market Cap (USD): $312.6 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

599. Anglo-Eastern Plantations plc

Company Profile: Anglo-Eastern Plantations plc
Market Cap (USD): $312.2 M
Country: United Kingdom
Sector: UK Consumer Staples
Industry: UK Farm Products

600. EnQuest plc

Company Profile: EnQuest plc
Market Cap (USD): $312.0 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

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