ESB: brands it owns and its ownership tree
ESB is a state-owned company headquartered in Ireland that owns 4 consumer brands.[1]
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.
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brands owned
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divestitures recorded
Company facts
- Legal name
- Electricity Supply Board (also ESB Group)
- Type
- state-owned company · see all state-owned company owners
- Headquarters
- 🇮🇪 Ireland
- Website
- www.esb.ie
- Last verified
- · 1 sources
ESB in numbers
- ESB owns 4 consumer brands tracked here across 1 top-level categories; the largest is energy with 4 brands.[1]
- 2 of its brands originated outside Ireland.
Everything ESB owns
Controlling ownership as of . Brands grouped under the entity that owns them; large groups are collapsed.
Full-screen interactive tree →
Brand portfolio by category
Recent changes to this record
Frequently asked questions
What brands does ESB own?
ESB owns 4 consumer brands tracked here, including So Energy, NIE Networks, ESB Networks and Electric Ireland.
Is ESB an Irish company?
Yes. ESB is headquartered in Ireland.
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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