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 Jul. 01, 2025

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Rank Company Market Cap (USD) Country Sector Industry
781 Dev Clever Holdings plc $153.2 M

(Jan. 1, 2023)

 United Kingdom UK Technology UK Software—Application
782 Residential Secure Income plc $152.2 M United Kingdom UK Real Estate UK REIT—Residential
783 Intercede Group plc $150.7 M United Kingdom UK Technology UK Software—Application
784 Trans-Siberian Gold plc $149.7 M

(Aug. 1, 2021)

 United Kingdom UK Basic Materials UK Gold
785 i3 Energy plc $149.3 M

(July 1, 2024)

 United Kingdom UK Energy UK Oil & Gas E&P
786 Invesco Perpetual UK Smaller Companies Investment Trust plc $147.6 M United Kingdom UK Financials UK Asset Management
787 Afentra PLC $147.1 M United Kingdom UK Energy UK Oil & Gas E&P
788 Jubilee Metals Group plc $147.1 M United Kingdom UK Basic Materials UK Other Industrial Metals & Mining
789 Ramsdens Holdings plc $146.8 M United Kingdom UK Industrials UK Conglomerates
790 UP Global Sourcing Holdings plc $146.1 M

(July 1, 2023)

 United Kingdom UK Consumer Discretionary UK Specialty Retail
791 Invinity Energy Systems plc $145.4 M United Kingdom UK Utilities UK Utilities—Diversified
792 ActiveOps Plc $144.2 M United Kingdom UK Technology UK Software—Application
793 Blackrock Latin American Investment Trust plc $143.8 M United Kingdom UK Financials UK Asset Management
794 Global Value Fund Limited $142.7 M

(July 1, 2024)

 United Kingdom UK Financials UK Asset Management
795 PetroNor E&P Ltd $139.4 M

(July 1, 2024)

 United Kingdom UK Energy UK Oil & Gas E&P
796 Scancell Holdings plc $139.0 M United Kingdom UK Healthcare UK Biotechnology
797 Crystal Amber Fund Ld $139.0 M United Kingdom UK Financials UK Asset Management
798 Studio Retail Group plc $135.9 M

(Feb. 1, 2022)

 United Kingdom UK Consumer Discretionary UK Specialty Retail
799 Xaar plc $135.6 M United Kingdom UK Technology UK Electronic Components
800 Diaceutics plc $135.4 M United Kingdom UK Healthcare UK Biotechnology
801 Michelmersh Brick Holdings plc $135.1 M United Kingdom UK Basic Materials UK Building Materials
802 IQE plc $134.1 M United Kingdom UK Technology UK Semiconductor Equipment & Materials
803 Strix Group plc $133.7 M United Kingdom UK Technology UK Electronic Components
804 Inspired Plc $133.1 M

(July 1, 2023)

 United Kingdom UK Industrials UK Specialty Business Services
805 Focusrite plc $133.0 M United Kingdom UK Consumer Discretionary UK Leisure
806 Sopheon plc $132.0 M

(Jan. 1, 2024)

 United Kingdom UK Technology UK Software—Application
807 SDI Group plc $131.5 M United Kingdom UK Technology UK Scientific & Technical Instruments
808 Trifast plc $131.0 M United Kingdom UK Industrials UK Tools & Accessories
809 Tribal Group plc $128.1 M United Kingdom UK Technology UK Software—Application
810 Schroder European Real Estate Investment Trust plc $128.0 M United Kingdom UK Real Estate UK REIT—Diversified

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

781. Dev Clever Holdings plc

Company Profile: Dev Clever Holdings plc
Market Cap (USD): $153.2 M (Jan. 1, 2023)
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

782. Residential Secure Income plc

Company Profile: Residential Secure Income plc
Market Cap (USD): $152.2 M
Country: United Kingdom
Sector: UK Real Estate
Industry: UK REIT—Residential

783. Intercede Group plc

Company Profile: Intercede Group plc
Market Cap (USD): $150.7 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

784. Trans-Siberian Gold plc

Company Profile: Trans-Siberian Gold plc
Market Cap (USD): $149.7 M (Aug. 1, 2021)
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Gold

785. i3 Energy plc

Company Profile: i3 Energy plc
Market Cap (USD): $149.3 M (July 1, 2024)
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

786. Invesco Perpetual UK Smaller Companies Investment Trust plc

Company Profile: Invesco Perpetual UK Smaller Companies Investment Trust plc
Market Cap (USD): $147.6 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

787. Afentra PLC

Company Profile: Afentra PLC
Market Cap (USD): $147.1 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

788. Jubilee Metals Group plc

Company Profile: Jubilee Metals Group plc
Market Cap (USD): $147.1 M
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Other Industrial Metals & Mining

789. Ramsdens Holdings plc

Company Profile: Ramsdens Holdings plc
Market Cap (USD): $146.8 M
Country: United Kingdom
Sector: UK Industrials
Industry: UK Conglomerates

790. UP Global Sourcing Holdings plc

Company Profile: UP Global Sourcing Holdings plc
Market Cap (USD): $146.1 M (July 1, 2023)
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Specialty Retail

791. Invinity Energy Systems plc

Company Profile: Invinity Energy Systems plc
Market Cap (USD): $145.4 M
Country: United Kingdom
Sector: UK Utilities
Industry: UK Utilities—Diversified

792. ActiveOps Plc

Company Profile: ActiveOps Plc
Market Cap (USD): $144.2 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

793. Blackrock Latin American Investment Trust plc

Company Profile: Blackrock Latin American Investment Trust plc
Market Cap (USD): $143.8 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

794. Global Value Fund Limited

Company Profile: Global Value Fund Limited
Market Cap (USD): $142.7 M (July 1, 2024)
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

795. PetroNor E&P Ltd

Company Profile: PetroNor E&P Ltd
Market Cap (USD): $139.4 M (July 1, 2024)
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

796. Scancell Holdings plc

Company Profile: Scancell Holdings plc
Market Cap (USD): $139.0 M
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

797. Crystal Amber Fund Ld

Company Profile: Crystal Amber Fund Ld
Market Cap (USD): $139.0 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

798. Studio Retail Group plc

Company Profile: Studio Retail Group plc
Market Cap (USD): $135.9 M (Feb. 1, 2022)
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Specialty Retail

799. Xaar plc

Company Profile: Xaar plc
Market Cap (USD): $135.6 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Electronic Components

800. Diaceutics plc

Company Profile: Diaceutics plc
Market Cap (USD): $135.4 M
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

801. Michelmersh Brick Holdings plc

Company Profile: Michelmersh Brick Holdings plc
Market Cap (USD): $135.1 M
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Building Materials

802. IQE plc

Company Profile: IQE plc
Market Cap (USD): $134.1 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Semiconductor Equipment & Materials

803. Strix Group plc

Company Profile: Strix Group plc
Market Cap (USD): $133.7 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Electronic Components

804. Inspired Plc

Company Profile: Inspired Plc
Market Cap (USD): $133.1 M (July 1, 2023)
Country: United Kingdom
Sector: UK Industrials
Industry: UK Specialty Business Services

805. Focusrite plc

Company Profile: Focusrite plc
Market Cap (USD): $133.0 M
Country: United Kingdom
Sector: UK Consumer Discretionary
Industry: UK Leisure

806. Sopheon plc

Company Profile: Sopheon plc
Market Cap (USD): $132.0 M (Jan. 1, 2024)
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

807. SDI Group plc

Company Profile: SDI Group plc
Market Cap (USD): $131.5 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Scientific & Technical Instruments

808. Trifast plc

Company Profile: Trifast plc
Market Cap (USD): $131.0 M
Country: United Kingdom
Sector: UK Industrials
Industry: UK Tools & Accessories

809. Tribal Group plc

Company Profile: Tribal Group plc
Market Cap (USD): $128.1 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

810. Schroder European Real Estate Investment Trust plc

Company Profile: Schroder European Real Estate Investment Trust plc
Market Cap (USD): $128.0 M
Country: United Kingdom
Sector: UK Real Estate
Industry: UK REIT—Diversified

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