Top Electricity, Oil & Gas companies in United Kingdom - October, 2026

    Listed below are the top companies in United Kingdom by revenue as of October 2026. With $26.4B in revenue, Centrica is ranked first on the list, followed by EDF Energy with $24.4B in revenue and National Grid with $23.4B in revenue. Find additional information about companies in United Kingdom such as their contact details, employees, location, org chart, news and much more.

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Frequently Asked Questions Regarding Top Electricity, Oil & Gas companies in United Kingdom - October, 2026

Is Centrica the biggest company in the world?
Centrica is the top company in United Kingdom by revenue, with $26.4B in revenue
Is EDF Energy the biggest company in the world?
EDF Energy is the second largest company in United Kingdom by revenue, with $24.4B in revenue
Is Centrica the largest company by revenue?
Centrica is the largest company by revenue, with $26.4B in revenue
What is Centrica's revenue?
Centrica's revenue is $26.4B
What is EDF Energy's revenue?
EDF Energy's revenue is $24.4B
What is National Grid's revenue?
National Grid's revenue is $23.4B
See more information about top companies