Top Energy Companies in Europe List by Market Cap as of August 2026

Top Energy Companies in Europe List by Market Cap as of August 2026. Biggest and Top Energy Companies in Europe Companies by Market Cap. Largest Top Energy Companies in Europe List by Market Cap as of August 2026.
Top Energy Companies in Europe
Top Energy Companies in Europe, Biggest Energy Companies in Europe, Largest Energy Companies in Europe.

  1. Transneft

    World Rank (Aug-2026)
    1,319
    World Rank (Jan-05-2024)
    1,319
    World Rank (Jul-30-2023)
    1,319
    World Rank (Dec-25-2022)
    1,319
    World Rank (Jan-07-2022)
    1,319
    Market Cap (Jan-07-2022)
    15.31 Billion USD
    Annual Revenue in USD
    15,816 Million USD
    Annual Net Income in USD
    2,189 Million USD
    Annual Results for Period Ending
    Dec-2021 ending year
    Headquarters Country
    Russia
    Company Profile
    Transneft is oil and gas pipeline transport company with headquarters is in Moscow, Russia.
    Company Website
    TRANSNEFT
    Wikipedia
    Wikipedia

  2. SNGN Romgaz SA

    World Rank (Aug-2026)
    1,423
    Market Cap (Aug-2026)
    17.026 Billion USD
    World Rank (Jan-05-2024)
    3,340
    Market Cap (Jan-05-2024)
    4.240 Billion USD
    World Rank (Jul-30-2023)
    3,960
    Market Cap (Jul-30-2023)
    3.445 Billion USD
    World Rank (Dec-25-2022)
    3,775
    Market Cap (Dec-25-2022)
    3.345 Billion USD
    World Rank (Jan-07-2022)
    4,649
    Market Cap (Jan-07-2022)
    3.17 Billion USD
    Annual Revenue in USD
    1,306 Million USD
    Annual Net Income in USD
    423 Million USD
    Annual Results for Period Ending
    Dec-2021 ending year
    Headquarters Country
    Romania
    Yahoo @ Frankfurt
    Company Profile

    SNGN Romgaz SA company is producer and main supplier of natural gas. The headquarters is in Romania.

    Company Website
    SNGN ROMGAZ SA

  3. EDP Renewables, S.A.

    World Rank (Aug-2026)
    1,442
    Market Cap (Aug-2026)
    16.690 Billion USD
    World Rank (Jan-05-2024)
    885
    Market Cap (Jan-05-2024)
    20.720 Billion USD
    World Rank (Jul-30-2023)
    868
    Market Cap (Jul-30-2023)
    21.504 Billion USD
    World Rank (Dec-25-2022)
    775
    Market Cap (Dec-25-2022)
    21.465 Billion USD
    World Rank (Jan-07-2022)
    979
    Market Cap (Jan-07-2022)
    21.29 Billion USD
    Annual Revenue in USD
    2,622 Million USD
    Annual Operating Income in USD
    946 Million USD
    Annual Net Income in USD
    679 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Spain
    Stock Category
    EURONEXT 100
    Yahoo
    Company Profile

    EDP Renovaveis is Renewable Energy company and electricity utility company with headquarters is in Madrid, Spain.

    As on December 2019, EDP Renovaveis has 1,566 employees.

    Company Website
    EDP RENOVAVEIS
    Wikipedia
    Wikipedia

  4. Surgutneftegas

    World Rank (Aug-2026)
    1,579
    World Rank (Jan-05-2024)
    1,579
    World Rank (Jul-30-2023)
    1,579
    World Rank (Dec-25-2022)
    1,119
    World Rank (Jan-07-2022)
    1,119
    Market Cap (Jan-07-2022)
    18.44 Billion USD
    Annual Revenue in USD
    17,669 Million USD
    Annual Net Income in USD
    11,357 Million USD
    Annual Results for Period Ending
    Dec-2020 ending year
    Headquarters Country
    Russia
    CEO
    Vladimir Bogdanov
    Company Profile

    Oil and Gas company with headquarters is in Russia.

    Company Website
    SURGUTNEFTEGAS
    Wikipedia
    Wikipedia

  5. Pjsc Tatneft

    World Rank (Aug-2026)
    1,677
    World Rank (Jan-05-2024)
    3,669
    World Rank (Jul-30-2023)
    3,669
    World Rank (Dec-25-2022)
    1,375
    World Rank (Jan-07-2022)
    1,375
    Market Cap (Jan-07-2022)
    14.69 Billion USD
    Annual Revenue in USD
    11,843 Million USD
    Annual Net Income in USD
    1,674 Million USD
    Annual Results for Period Ending
    Dec-2020 ending year
    Headquarters Country
    Russia
    Company Profile

    Oil and Gas company with headquarters is in Russia. Company business operations includes steadily developing enterprises of crude oil and gas production, petroleum refining, petrochemicals production, the tire-manufacturing complex, network of filling stations and services. TATNEFT also has a stake in the financial sector companies (banking and insurance).

    Company Website
    TATNEFT
    Wikipedia
    Wikipedia

  6. Aker ASA

    World Rank (Aug-2026)
    1,988
    Market Cap (Aug-2026)
    11.405 Billion USD
    World Rank (Jan-05-2024)
    3,052
    Market Cap (Jan-05-2024)
    4.747 Billion USD
    World Rank (Jul-30-2023)
    3,102
    Market Cap (Jul-30-2023)
    4.746 Billion USD
    World Rank (Dec-25-2022)
    2,501
    Market Cap (Dec-25-2022)
    5.532 Billion USD
    World Rank (Jan-07-2022)
    2,508
    Market Cap (Jan-07-2022)
    7.03 Billion USD
    Annual Revenue in USD
    875 Million USD
    Annual Operating Income in USD
    980 Million USD
    Annual Net Income in USD
    1,282 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    Norway
    Yahoo @ Oslo
    Company Profile
    Aker ASA is an Industrial Investment company. It's ownership interests concentrated in oil and gas, maritime assets and fishing, marine biotechnology and industrial software. The company had a total turnover of more than NOK 83 billion in 2019 and a workforce of approximately 37,000 employees including temporary hires. The headquarters is in Norway.
    Company Website
    AKER ASA

  7. Polskie Gornictwo Naftowe I Gazownictwo

    World Rank (Aug-2026)
    2,045
    World Rank (Jan-05-2024)
    2,045
    World Rank (Jul-30-2023)
    2,045
    World Rank (Dec-25-2022)
    2,045
    World Rank (Jan-07-2022)
    2,045
    Market Cap (Jan-07-2022)
    9.00 Billion USD
    Annual Revenue in USD
    14,692 Million USD
    Annual Net Income in USD
    1,263 Million USD
    Annual Results for Period Ending
    Dec-2021 ending year
    Headquarters Country
    Poland
    Company Profile
    Polskie Gornictwo Naftowe i Gazownictwo is a Natural Gas Market company. It engaged in the exploration and production of natural gas and crude oil, gas imports and through key companies, storage, sale and distribution of gaseous and liquid fuels and the production of heat and electricity. The company operating segments are exploration and extraction, trade and storage, distribution and production. The headquarters is in Poland.
    Company Website
    POLSKIE GORNICTWO NAFTOWE I GAZOWNICTWO

  8. Subsea 7

    World Rank (Aug-2026)
    2,073
    Market Cap (Aug-2026)
    10.771 Billion USD
    World Rank (Jan-05-2024)
    3,250
    Market Cap (Jan-05-2024)
    4.389 Billion USD
    World Rank (Jul-30-2023)
    3,570
    Market Cap (Jul-30-2023)
    3.961 Billion USD
    World Rank (Dec-25-2022)
    3,834
    Market Cap (Dec-25-2022)
    3.288 Billion USD
    World Rank (Jan-07-2022)
    5,790
    Market Cap (Jan-07-2022)
    2.27 Billion USD
    Annual Revenue in USD
    5,010 Million USD
    Annual Net Income in USD
    31 Million USD
    Annual Results for Period Ending
    Dec-2021 ending year
    Headquarters Country
    UK
    Yahoo @ Norway
    Company Profile

    Subsea 7 is a Engineering Services company. It reputation as a collaborative service provider in long lasting client relationships makes one of the most trusted contractors in market which includes oil and gas and renewable energy. The company offshore operations span five decades successfully completing over 1000+ projects. The headquarters is in UK.

    Facts About Company

    Subsea 7 annual revenue was 5,135 million USD and annual net income was 57 million USD generated for period year ending Dec-2022.

    Subsea 7 annual revenue was 5,010 million USD and annual net income was 31 million USD generated for period year ending Dec-2021.

    As on 2022, Subsea 7 had 6,691 employees.

    Company Website
    SUBSEA 7

  9. Saipem

    World Rank (Aug-2026)
    2,190
    Market Cap (Aug-2026)
    10.168 Billion USD
    World Rank (Jan-05-2024)
    4,032
    Market Cap (Jan-05-2024)
    3.344 Billion USD
    World Rank (Jul-30-2023)
    4,107
    Market Cap (Jul-30-2023)
    3.260 Billion USD
    World Rank (Dec-25-2022)
    4,863
    Market Cap (Dec-25-2022)
    2.353 Billion USD
    World Rank (Jan-07-2022)
    5,906
    Market Cap (Jan-07-2022)
    2.20 Billion USD
    Annual Revenue in USD
    6,873 Million USD
    Annual Net Income in USD
    -2,466 Million USD
    Annual Results for Period Ending
    Dec-2021 ending year
    Headquarters Country
    Italy
    Yahoo @ Italy
    Company Profile
    Saipem is a engineering and drilling activities and in the development of major projects in the energy and infrastructures sectors. The service are provide to the company which are working in the sector of offshore, onshore, drilling, services by XSIGHT, renewables, infrastructures, decommissioning, maintenance modification and operations. The headquarters is in Italy.
    Company Website
    SAIPEM
    Wikipedia
    Wikipedia

  10. Centrica

    World Rank (Aug-2026)
    2,281
    Market Cap (Aug-2026)
    9.508 Billion USD
    World Rank (Jan-05-2024)
    1,640
    Market Cap (Jan-05-2024)
    10.107 Billion USD
    World Rank (Jul-30-2023)
    1,734
    Market Cap (Jul-30-2023)
    9.625 Billion USD
    World Rank (Dec-25-2022)
    2,081
    Market Cap (Dec-25-2022)
    6.837 Billion USD
    World Rank (Jan-07-2022)
    2,879
    Market Cap (Jan-07-2022)
    5.88 Billion USD
    Annual Revenue in USD
    30,495 Million USD
    Annual Operating Income in USD
    222 Million USD
    Annual Net Income in USD
    -1,004 Million USD
    Annual Results for Period Ending
    Dec-2022 ending year
    Headquarters Country
    UK
    Stock Category
    S&P EUROPE 350
    FTSE 100
    Yahoo @ LSE
    Company Profile

    Centrica is international energy services and solutions provider focused on satisfying the changing needs of their customers and enabling the transition to a lower carbon future. They supply energy and services to over 26.2 million customer accounts mainly in the UK, Ireland and North America through strong brands such as British Gas, supported by around 9,000 engineers and technicians. The headquarters is in UK.

    Facts About Company

    Centrica annual revenue was 23,741 million GBP and annual net loss was -782 million GBP generated for period year ending Dec-2022.

    Centrica annual revenue was 14,744 million GBP and annual net income was 1,210 million GBP generated for period year ending Dec-2021.

    As on 2022, Centrica had 19743 employees.

    Company Website
    CENTRICA
    Wikipedia
    Wikipedia

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