Who owns So Energy?
So Energy is owned by ESB (Ireland).[1]
This ownership is reported in official statements but has not yet been matched to a regulatory filing.
Evidence: Our Investment Proposition - ESB. Last checked .
Key facts
- Current owner
- Electricity Supply Board reported
- Owner HQ
- 🇮🇪 Ireland
- Origin
- 🇬🇧 United Kingdom
- Category
- Energy › Power & utilities › Electric utilities
- Last verified
- · 1 sources
About So Energy
So Energy is a British household electricity and gas supplier. Companies House lists ESB Retail GB Limited as holding 75% or more of So Energy Limited, and ESB Group (UK) Limited as its parent with the Government of Ireland as the registered controlling person (https://find-and-update.company-information.service.gov.uk/company/09144818/persons-with-significant-control). ESB's 2026 interim report says it is reviewing divestment options for the business.
Ownership timeline of So Energy
Where So Energy sits in ESB
Controlling ownership as of . Brands grouped under the entity that owns them; large groups are collapsed.
Open the full ESB ownership tree →
See the full ESB brand portfolio (4) →
Other brands owned by ESB
ESB controls 4 brands on Brandtree, 4 of them in energy.
Also in energy
Other brands in electric utilities, and who owns them
The 47 brands in electric utilities on Brandtree belong to 30 owners. The largest is Exelon, with 6.
| Brand | Owner | Owner based in |
|---|---|---|
| Atlantic City Electric | Exelon | 🇺🇸 United States |
| Caribbean Utilities Company | Fortis | 🇨🇦 Canada |
| Alabama Power | Southern Company | 🇺🇸 United States |
| Empire District Electric | Algonquin Power | 🇨🇦 Canada |
| Chubu Electric Power | Chubu Electric Power | 🇯🇵 Japan |
| Dominion Energy South Carolina | Dominion Energy | 🇺🇸 United States |
| Kentucky Utilities | PPL | 🇺🇸 United States |
| Wisconsin Electric Power Company | WEC Energy Group | 🇺🇸 United States |
About the owner: ESB
ESB is a state-owned company headquartered in Ireland. Brandtree records 4 brands under its control.
ESB says on its investor page that it is 97.7 percent Irish Government owned, operates in Ireland and Great Britain and owns all onshore transmission and distribution networks in the Republic of Ireland and Northern Ireland. Its 2026 interim financial report splits the business into Customer Solutions, ESB Networks, NIE Networks, Generation and Trading and other segments, and says ESB began evaluating divestment options for ESB Retail GB Limited, the So Energy business, in 2026.
🇬🇧 So Energy and other British brands
Brandtree records a controlling owner for 543 brands that began in the United Kingdom. 282 of them (52%) are now controlled by a company headquartered in another country, So Energy among them.
- British Gas — Centrica 🇬🇧
- Calor — SHV Energy 🇳🇱
- Castrol — bp 🇬🇧
- Ceres Power — Ceres Power 🇬🇧
- Certas Energy — DCC 🇮🇪
- Cruachan Power Station — Drax 🇬🇧
Frequently asked questions
Who is the parent company of So Energy?
The parent company of So Energy is ESB, a state-owned company headquartered in Ireland.
Is So Energy British or Irish?
So Energy originated in the United Kingdom, but it is owned today by ESB, which is headquartered in Ireland. So So Energy is a British-origin brand under Irish ownership.
Is So Energy still owned by ESB?
Yes. As of 5 October 2026, So Energy is still owned by ESB. The ownership record was last checked against primary sources on that date.
Sources (1) & corrections
Last verified . Every ownership fact above is backed by one of these primary documents. Numbers in brackets in the text refer to this list.
- [1] Our Investment Proposition - ESB — ESB, Official document; retrieved 5 October 2026.
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