LSE Top Companies List by Market Cap as of August 2026

LSE Top Companies List by Market Cap as of August 2026, LSE Biggest 500 Companies List by Market Cap, LSE Largest 500 Companies List by market cap as of August 2026.
LSE Top Companies List by Market Cap in 2026
LSE Stock Exchange Top Companies List by Market Cap as of August 2026, LSE Stock Exchange Largest Companies List by Market Cap as of August 2026.

  1. Helios Towers

    World Rank (Aug-2026)
    5,212
    Market Cap (Aug-2026)
    2.830 Billion USD
    World Rank (Jan-05-2024)
    7,782
    Market Cap (Jan-05-2024)
    1.184 Billion USD
    World Rank (Jul-30-2023)
    7,610
    Market Cap (Jul-30-2023)
    1.261 Billion USD
    World Rank (Dec-25-2022)
    7,232
    Market Cap (Dec-25-2022)
    1.285 Billion USD
    World Rank (Jan-07-2022)
    5,721
    Market Cap (Jan-07-2022)
    2.31 Billion USD
    Annual Revenue in USD
    560 Million USD
    Annual Operating Income in USD
    81 Million USD
    Annual Net Income in USD
    -171 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    UK
    Yahoo @ LSE
    Company Profile
    Helios Towers plc owns and operates telecommunications towers and passive infrastructure company in six high growth African markets. The company annual revenue is 414 million USD, annual operating income is 32 million USD and total assets are 1,430.5 million USD as on 2020. The headquarters is in UK.
    Company Website
    HELIOS TOWERS
    Wikipedia
    Wikipedia

  2. Jpmorgan American Investment Trust

    World Rank (Aug-2026)
    5,244
    Market Cap (Aug-2026)
    2.800 Billion USD
    World Rank (Jan-05-2024)
    5,736
    Market Cap (Jan-05-2024)
    1.971 Billion USD
    World Rank (Jul-30-2023)
    6,016
    Market Cap (Jul-30-2023)
    1.855 Billion USD
    World Rank (Dec-25-2022)
    6,368
    Market Cap (Dec-25-2022)
    1.573 Billion USD
    World Rank (Jan-07-2022)
    6,305
    Market Cap (Jan-07-2022)
    1.99 Billion USD
    Annual Revenue in USD
    425 Million USD
    Annual Operating Income in USD
    424 Million USD
    Annual Net Income in USD
    421 Million USD
    Annual Results for Period Ending
    Dec-2021 ending year
    Headquarters Country
    UK
    Yahoo @ LSE
    Company Website
    JPMORGAN AMERICAN INVESTMENT TRUST

  3. Grafton Group PLC

    World Rank (Aug-2026)
    5,296
    Market Cap (Aug-2026)
    2.751 Billion USD
    World Rank (Jan-05-2024)
    5,161
    Market Cap (Jan-05-2024)
    2.346 Billion USD
    World Rank (Jul-30-2023)
    5,033
    Market Cap (Jul-30-2023)
    2.437 Billion USD
    World Rank (Dec-25-2022)
    5,181
    Market Cap (Dec-25-2022)
    2.159 Billion USD
    World Rank (Jan-07-2022)
    3,974
    Market Cap (Jan-07-2022)
    3.90 Billion USD
    Annual Revenue in USD
    2,799 Million USD
    Annual Net Income in USD
    453 Million USD
    Annual Results for Period Ending
    Dec-2021 ending year
    Headquarters Country
    Ireland
    Yahoo @ LSE
    Company Profile
    Grafton is an international trade focused, multi-channel distributor of construction products. The Group aims to build on its leading market positions in the UK, Ireland and the Netherlands and to grow internationally in merchanting and related markets. Headquarters is in Ireland.
    Company Website
    GRAFTON GROUP PLC
    Wikipedia
    Wikipedia

  4. Caledonia Investments

    World Rank (Aug-2026)
    5,297
    Market Cap (Aug-2026)
    2.749 Billion USD
    World Rank (Jan-05-2024)
    4,941
    Market Cap (Jan-05-2024)
    2.509 Billion USD
    World Rank (Jul-30-2023)
    5,141
    Market Cap (Jul-30-2023)
    2.370 Billion USD
    World Rank (Dec-25-2022)
    4,853
    Market Cap (Dec-25-2022)
    2.359 Billion USD
    World Rank (Jan-07-2022)
    4,897
    Market Cap (Jan-07-2022)
    2.96 Billion USD
    Annual Revenue in USD
    728 Million USD
    Annual Net Income in USD
    720 Million USD
    Annual Results for Period Ending
    Mar-2022 ending year
    Headquarters Country
    UK
    Yahoo @ LSE
    Company Profile
    Caledonia Investments is a Investment Trust listed on the London Stock Exchange. The company team manages assets of circa £2bn across an international, multi asset portfolio with a focus on companies that have the potential to generate exceptional long term shareholder value. The headquarters is in UK.
    Company Website
    CALEDONIA INVESTMENTS
    Wikipedia
    Wikipedia

  5. Ocado Group

    World Rank (Aug-2026)
    5,331
    Market Cap (Aug-2026)
    2.724 Billion USD
    World Rank (Jan-05-2024)
    2,016
    Market Cap (Jan-05-2024)
    7.959 Billion USD
    World Rank (Jul-30-2023)
    1,627
    Market Cap (Jul-30-2023)
    10.375 Billion USD
    World Rank (Dec-25-2022)
    2,248
    Market Cap (Dec-25-2022)
    6.263 Billion USD
    World Rank (Jan-07-2022)
    1,273
    Market Cap (Jan-07-2022)
    15.93 Billion USD
    Annual Revenue in USD
    3,228 Million USD
    Annual Operating Income in USD
    -579 Million USD
    Annual Net Income in USD
    -584 Million USD
    Annual Results for Period Ending
    Nov-2022 ending year
    Headquarters Country
    UK
    CEO
    Tim Steiner
    Yahoo @ LSE
    Company Profile

    Ocado Group is a online grocery retailer. The Company provides home delivery of a wide range of products including food and drink, pet care, holiday products, toiletries and baby, and household. The company main principal is to develop the grocery retailing and monetization of intellectual property, distribution of grocery and consumer goods. The headquarters is in UK.

    Ocado Group annual revenue generated for period ending Oct-2021 was 2,498 million GBP.

    Facts About Company

    Ocado Group annual revenue was 2,513 million GBP and annual net loss was -455 million GBP generated for period year ending Oct-2022.

    Ocado Group annual revenue was 2,498 million GBP and annual net loss was -223 million GBP generated for period year ending Oct-2021.

    As on 2022, Ocado Group had 19347 employees.

    Company Website
    OCADO GROUP PLC
    Wikipedia
    Wikipedia

  6. Great Portland Estates

    World Rank (Aug-2026)
    5,394
    World Rank (Jan-05-2024)
    5,394
    World Rank (Jul-30-2023)
    5,394
    World Rank (Dec-25-2022)
    5,394
    World Rank (Jan-07-2022)
    5,394
    Market Cap (Jan-07-2022)
    2.57 Billion USD
    Annual Revenue in USD
    99 Million USD
    Annual Net Income in USD
    197 Million USD
    Annual Results for Period Ending
    Mar-2022 ending year
    Headquarters Country
    UK
    Company Profile
    Great Portland Estates is a Investment and Development company. The company owning £2.6 billion of real estate in central London. It deliver superior returns by unlocking the often hidden potential in commercial real estate in central London creating great spaces for occupiers and long term value for stakeholders. It is a Portfolio valuation is £2,624m and Property sq. ft. is 2.6m sq. ft. as per 2019. The headquarters is in UK.
    Company Website
    GREAT PORTLAND ESTATES

  7. HG Capital Trust

    World Rank (Aug-2026)
    5,442
    Market Cap (Aug-2026)
    2.629 Billion USD
    World Rank (Jan-05-2024)
    4,919
    Market Cap (Jan-05-2024)
    2.528 Billion USD
    World Rank (Jul-30-2023)
    5,290
    Market Cap (Jul-30-2023)
    2.270 Billion USD
    World Rank (Dec-25-2022)
    5,508
    Market Cap (Dec-25-2022)
    1.970 Billion USD
    World Rank (Jan-07-2022)
    5,217
    Market Cap (Jan-07-2022)
    2.71 Billion USD
    Annual Revenue in USD
    152 Million USD
    Annual Operating Income in USD
    137 Million USD
    Annual Net Income in USD
    137 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    UK
    Yahoo @ LSE
    Company Profile

    HgCapital Trust is an investment trust company. The company annual revenue is 254.8 million GBP, annual net income is 246.9 million GBP and total assets are 1,292 million GBP as on 2020. The headquarters is in UK.

    Company Website
    HG CAPITAL TRUST

  8. Contourglobal

    World Rank (Aug-2026)
    5,505
    World Rank (Jan-05-2024)
    5,505
    World Rank (Jul-30-2023)
    5,505
    Market Cap (Jul-30-2023)
    2.130 Billion USD
    World Rank (Dec-25-2022)
    5,452
    Market Cap (Dec-25-2022)
    1.999 Billion USD
    World Rank (Jan-07-2022)
    6,946
    Market Cap (Jan-07-2022)
    1.70 Billion USD
    Annual Revenue in USD
    2,151 Million USD
    Annual Net Income in USD
    78 Million USD
    Annual Results for Period Ending
    Dec-2021 ending year
    Headquarters Country
    UK
    Company Profile

    ContourGlobal is a growth platform for acquiring and developing wholesale power generation company. The company annual revenue is 1,191 million USD, annual operating income is 307.9 million USD, annual net income is 16 million USD and total assets are 6,370.8 million USD as on 2020. The headquarters is in UK.

    Company Website
    CONTOURGLOBAL
    Wikipedia
    Wikipedia

  9. CMC Markets

    World Rank (Aug-2026)
    5,525
    Market Cap (Aug-2026)
    2.560 Billion USD
    World Rank (Jan-05-2024)
    13,123
    Market Cap (Jan-05-2024)
    0.460 Billion USD
    World Rank (Jul-30-2023)
    12,468
    Market Cap (Jul-30-2023)
    0.523 Billion USD
    World Rank (Dec-25-2022)
    9,807
    Market Cap (Dec-25-2022)
    0.768 Billion USD
    World Rank (Jan-07-2022)
    9,530
    Market Cap (Jan-07-2022)
    0.98 Billion USD
    Annual Revenue in USD
    384 Million USD
    Annual Net Income in USD
    84 Million USD
    Annual Results for Period Ending
    Mar-2022 ending year
    Headquarters Country
    UK
    Yahoo @ Frankfurt
    Company Profile

    CMC Markets is a Foreign Exchange company. The headquarters is in UK.

    Company Website
    CMC MARKETS
    Wikipedia
    Wikipedia

  10. Greggs PLC

    World Rank (Aug-2026)
    5,574
    Market Cap (Aug-2026)
    2.524 Billion USD
    World Rank (Jan-05-2024)
    4,029
    Market Cap (Jan-05-2024)
    3.345 Billion USD
    World Rank (Jul-30-2023)
    3,861
    Market Cap (Jul-30-2023)
    3.566 Billion USD
    World Rank (Dec-25-2022)
    4,181
    Market Cap (Dec-25-2022)
    2.901 Billion USD
    World Rank (Jan-07-2022)
    3,712
    Market Cap (Jan-07-2022)
    4.24 Billion USD
    Annual Revenue in USD
    1,631 Million USD
    Annual Net Income in USD
    155 Million USD
    Annual Results for Period Ending
    Jan-2022 ending year
    Headquarters Country
    UK
    Yahoo @ LSE
    Company Profile

    GREGGS operates Chain of bakeries with headquarters is in UK. As on 2020, GREGGS had 2,078 outlets operating across the UK.

    Greggs is a British bakery chain. It specialises in savoury products such as bakes, sausage rolls, sandwiches and sweet items including doughnuts and vanilla slice.

    As on 2021, GREGGS has 2,181 outlets operating across the UK.

    Company Website
    GREGGS
    Wikipedia
    Wikipedia

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