Best ENERGY AND UTILITIES Companies in United Kingdom
Approximately 40,188 real businesses classified under Electricity, Gas, Steam and Air Conditioning Supply in United Kingdom, with officer, shareholder and beneficial ownership records sourced directly from official government registries.
Approximately 40,188 real businesses operate in the Electricity, Gas, Steam and Air Conditioning Supply sector across United Kingdom. Generation and distribution assets sit on critical national infrastructure — which is exactly why almost no country lets them change hands quietly. Utility ownership here, spanning electricity, gas, steam, district heating and cooling, and renewable generation, is routinely subject to sector-specific regulatory approval and, in many countries, foreign-investment screening that goes well beyond standard company registration. The paperwork to operate a power plant and the paperwork to own one are two separate regulatory tracks entirely.
94 companies in this sector are indexed on Zavia so far, part of a continually growing dataset.
Beneficial-ownership and registration rules for Electricity, Gas, Steam and Air Conditioning Supply companies in United Kingdom follow the same national framework as every other sector there.
Full United Kingdom beneficial ownership overviewTop Electricity, Gas, Steam and Air Conditioning Supply Companies in United Kingdom
Live from the register. Every row opens the full record — officers, shareholders and resolved group structure.
Data Coverage
Record counts for SIC Code D in United Kingdom, as of the last reconciliation.
Section D is 0% of the United Kingdom register by entity count and its 17th largest sector — see all sectors.
Analysis
What this data actually tells you
Electricity, Gas, Steam and Air Conditioning Supply in the UK is licensed activity, separate from company registration: selling electricity to domestic or business customers requires an Ofgem supply licence, and generating it requires its own generation licence — Tesla Energy Ventures, for example, went through a full Ofgem assessment between July 2025 and March 2026 before winning a supply licence, having already held a generation licence since 2020. Ofgem maintains and regularly updates a public list of every electricity licensee, most recently refreshed on 17 August 2026.
The application process itself has been under active reform in 2026: Ofgem updated its licence-application guidance in January 2026 to speed up the tacit-authorisation and notice-of-application steps, then reintroduced a standard six-month processing timescale for supply-licence applications from 27 February 2026. For verification, that gives a concrete benchmark — a company claiming to be mid-application for a UK energy licence should be progressing against that six-month window, checkable against Ofgem’s own licensee list rather than the company register.
United Kingdom Electricity, Gas, Steam and Air Conditioning Supply, by the register
Charts render from live counts. Modules are suppressed where coverage is too thin to be meaningful.
Entities by sub-sector
SIC division level, live from official registries.
Active vs. inactive
Section D entities currently on the register as active, vs. struck off or dormant.
Company size, by disclosed headcount
By number of employees on file, Section D, United Kingdom. 93 entities with no disclosed headcount are not counted in any band.
Who uses United Kingdom electricity, gas, steam and air conditioning supply ownership data
The three checks this sector's data is most often run for.
Ofgem supply/generation licence verification
Selling electricity to UK customers requires an Ofgem supply licence, and generating it requires a separate generation licence — Ofgem publishes a full list of all electricity licensees, updated regularly (most recently 17 August 2026), as the authoritative record of who actually holds one.
Licence-application timeline tracking
Ofgem reintroduced a six-month standard processing timescale for gas and electricity supply-licence applications from 27 February 2026 — a real, dated benchmark for assessing whether a newly-formed energy company’s licence application is progressing normally or stalled.
Infrastructure and concession financing
UK energy generation and network assets typically sit under long-term regulatory licensing rather than being freely tradable, which shapes how lenders and counterparties assess exposure to companies in this sector.
Sub-sectors within Electricity, Gas, Steam and Air Conditioning Supply
SIC divisions inside this section, each with its own United Kingdom company directory.
Get complete shareholder and officer records, ultimate beneficial owner resolution, and ongoing ownership monitoring for United Kingdom companies — via API or a bulk data feed.
Frequently Asked Questions
How many Electricity, Gas, Steam and Air Conditioning Supply companies are registered in United Kingdom?
Approximately 40,188 real businesses operate under Electricity, Gas, Steam and Air Conditioning Supply in United Kingdom.
What does the Electricity, Gas, Steam and Air Conditioning Supply sector include in United Kingdom?
Generation and distribution assets sit on critical national infrastructure — which is exactly why almost no country lets them change hands quietly. Utility ownership here, spanning electricity, gas, steam, district heating and cooling, and renewable generation, is routinely subject to sector-specific regulatory approval and, in many countries, foreign-investment screening that goes well beyond standard company registration. The paperwork to operate a power plant and the paperwork to own one are two separate regulatory tracks entirely.
How is company ownership disclosed for Electricity, Gas, Steam and Air Conditioning Supply companies in United Kingdom?
The same national framework applies here as for every other sector in United Kingdom — there is no sector-specific beneficial-ownership regime for Electricity, Gas, Steam and Air Conditioning Supply.
Can I see all industries present in United Kingdom?
Yes — the United Kingdom company directory lists every industry with recorded companies for that jurisdiction, alongside the full beneficial-ownership overview for United Kingdom.
Can I see Electricity, Gas, Steam and Air Conditioning Supply companies in other countries?
Yes — the Electricity, Gas, Steam and Air Conditioning Supply sector directory lists every country with recorded Electricity, Gas, Steam and Air Conditioning Supply companies on Zavia.
Can Zavia monitor changes to Electricity, Gas, Steam and Air Conditioning Supply companies in United Kingdom over time?
A directory listing is a snapshot, not a live feed. Zavia's monitoring API tracks changes to registered shareholders, officers, and group structure for Electricity, Gas, Steam and Air Conditioning Supply companies in United Kingdom going forward, flagging updates as they are filed instead of requiring a manual recheck.
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