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
781 Residential Secure Income plc $144.0 M United Kingdom UK Real Estate UK REIT—Residential
782 Strix Group plc $143.1 M United Kingdom UK Technology UK Electronic Components
783 Geodrill Limited $142.8 M United Kingdom UK Basic Materials UK Other Industrial Metals & Mining
784 Global Value Fund Limited $142.7 M

(July 1, 2024)

 United Kingdom UK Financials UK Asset Management
785 Octopus AIM VCT PLC $141.6 M United Kingdom UK Financials UK Asset Management
786 Shield Therapeutics plc $140.8 M United Kingdom UK Healthcare UK Drug Manufacturers—Specialty & Generic
787 Eleco plc $140.4 M United Kingdom UK Technology UK Software—Application
788 PetroNor E&P Ltd $139.4 M

(July 1, 2024)

 United Kingdom UK Energy UK Oil & Gas E&P
789 Scancell Holdings plc $138.3 M United Kingdom UK Healthcare UK Biotechnology
790 Synthomer plc $137.9 M United Kingdom UK Basic Materials UK Specialty Chemicals
791 Studio Retail Group plc $135.9 M

(Feb. 1, 2022)

 United Kingdom UK Consumer Discretionary UK Specialty Retail
792 Robert Walters plc $135.8 M United Kingdom UK Industrials UK Staffing & Employment Services
793 Gemfields Group Limited $133.4 M United Kingdom UK Basic Materials UK Other Precious Metals & Mining
794 Inspired Plc $133.1 M

(July 1, 2023)

 United Kingdom UK Industrials UK Specialty Business Services
795 Sopheon plc $132.0 M

(Jan. 1, 2024)

 United Kingdom UK Technology UK Software—Application
796 Bioventix plc $130.8 M United Kingdom UK Healthcare UK Biotechnology
797 JPMorgan Russian Securities plc $130.1 M United Kingdom UK Financials UK Asset Management
798 Tullow Oil plc $129.4 M United Kingdom UK Energy UK Oil & Gas E&P
799 4basebio PLC $128.2 M United Kingdom UK Healthcare UK Biotechnology
800 Trifast plc $127.2 M United Kingdom UK Industrials UK Tools & Accessories
801 Afentra PLC $126.7 M United Kingdom UK Energy UK Oil & Gas E&P
802 Personal Group Holdings plc $126.0 M United Kingdom UK Financials UK Insurance—Property & Casualty
803 Mpac Group plc $125.5 M United Kingdom UK Industrials UK Specialty Industrial Machinery
804 The Alumasc Group plc $125.1 M United Kingdom UK Industrials UK Building Products & Equipment
805 Tracsis plc $124.1 M United Kingdom UK Technology UK Software—Application
806 F-star Therapeutics, Inc. $123.7 M

(Jan. 1, 2023)

 United Kingdom UK Healthcare UK Biotechnology
807 Belvoir Group plc $123.0 M

(Jan. 1, 2024)

 United Kingdom UK Real Estate UK Real Estate Services
808 Solid State plc $122.4 M United Kingdom UK Technology UK Electronic Components
809 Cake Box Holdings plc $122.3 M United Kingdom UK Consumer Staples UK Grocery Stores
810 BMO UK High Income Trust Plc $121.5 M

(Aug. 1, 2022)

 United Kingdom UK Financials UK Asset Management

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

781. Residential Secure Income plc

Company Profile: Residential Secure Income plc
Market Cap (USD): $144.0 M
Country: United Kingdom
Sector: UK Real Estate
Industry: UK REIT—Residential

782. Strix Group plc

Company Profile: Strix Group plc
Market Cap (USD): $143.1 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Electronic Components

783. Geodrill Limited

Company Profile: Geodrill Limited
Market Cap (USD): $142.8 M
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Other Industrial Metals & Mining

784. 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

785. Octopus AIM VCT PLC

Company Profile: Octopus AIM VCT PLC
Market Cap (USD): $141.6 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

786. Shield Therapeutics plc

Company Profile: Shield Therapeutics plc
Market Cap (USD): $140.8 M
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Drug Manufacturers—Specialty & Generic

787. Eleco plc

Company Profile: Eleco plc
Market Cap (USD): $140.4 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

788. 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

789. Scancell Holdings plc

Company Profile: Scancell Holdings plc
Market Cap (USD): $138.3 M
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

790. Synthomer plc

Company Profile: Synthomer plc
Market Cap (USD): $137.9 M
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Specialty Chemicals

791. 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

792. Robert Walters plc

Company Profile: Robert Walters plc
Market Cap (USD): $135.8 M
Country: United Kingdom
Sector: UK Industrials
Industry: UK Staffing & Employment Services

793. Gemfields Group Limited

Company Profile: Gemfields Group Limited
Market Cap (USD): $133.4 M
Country: United Kingdom
Sector: UK Basic Materials
Industry: UK Other Precious Metals & Mining

794. 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

795. 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

796. Bioventix plc

Company Profile: Bioventix plc
Market Cap (USD): $130.8 M
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

797. JPMorgan Russian Securities plc

Company Profile: JPMorgan Russian Securities plc
Market Cap (USD): $130.1 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

798. Tullow Oil plc

Company Profile: Tullow Oil plc
Market Cap (USD): $129.4 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

799. 4basebio PLC

Company Profile: 4basebio PLC
Market Cap (USD): $128.2 M
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

800. Trifast plc

Company Profile: Trifast plc
Market Cap (USD): $127.2 M
Country: United Kingdom
Sector: UK Industrials
Industry: UK Tools & Accessories

801. Afentra PLC

Company Profile: Afentra PLC
Market Cap (USD): $126.7 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

802. Personal Group Holdings plc

Company Profile: Personal Group Holdings plc
Market Cap (USD): $126.0 M
Country: United Kingdom
Sector: UK Financials
Industry: UK Insurance—Property & Casualty

803. Mpac Group plc

Company Profile: Mpac Group plc
Market Cap (USD): $125.5 M
Country: United Kingdom
Sector: UK Industrials
Industry: UK Specialty Industrial Machinery

804. The Alumasc Group plc

Company Profile: The Alumasc Group plc
Market Cap (USD): $125.1 M
Country: United Kingdom
Sector: UK Industrials
Industry: UK Building Products & Equipment

805. Tracsis plc

Company Profile: Tracsis plc
Market Cap (USD): $124.1 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

806. F-star Therapeutics, Inc.

Company Profile: F-star Therapeutics, Inc.
Market Cap (USD): $123.7 M (Jan. 1, 2023)
Country: United Kingdom
Sector: UK Healthcare
Industry: UK Biotechnology

807. Belvoir Group plc

Company Profile: Belvoir Group plc
Market Cap (USD): $123.0 M (Jan. 1, 2024)
Country: United Kingdom
Sector: UK Real Estate
Industry: UK Real Estate Services

808. Solid State plc

Company Profile: Solid State plc
Market Cap (USD): $122.4 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Electronic Components

809. Cake Box Holdings plc

Company Profile: Cake Box Holdings plc
Market Cap (USD): $122.3 M
Country: United Kingdom
Sector: UK Consumer Staples
Industry: UK Grocery Stores

810. BMO UK High Income Trust Plc

Company Profile: BMO UK High Income Trust Plc
Market Cap (USD): $121.5 M (Aug. 1, 2022)
Country: United Kingdom
Sector: UK Financials
Industry: UK Asset Management

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