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Private company

SONI

Logo: soni.ltd.uk3

SONI is a state-owned electric power transmission operator in Northern Ireland founded in 2009.1 It is headquartered in Belfast.1 It is part of EirGrid.1

Last updated Oct 21, 2026.

Overview

2009Founded1
  • Industryelectric power industry1
  • HeadquartersBelfast, Northern Ireland1
  • Websitewww.soni.ltd.uk
  • Legal formLIMITED2
  • LEI549300V1ZX6X7NWD2Q472
  • StatusActive2
  • LEI statusLapsed (not renewed)2
  • Registered addressCASTLEREAGH HOUSE, BT6 9RT Belfast, United Kingdom2
  • Registered withCompanies House, NI0387152

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Corporate structure

SONI is part of a group headed by EirGrid. 2 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

  • EirGrid Dublin
    • SONI Ballsbridge, Ireland

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

Subsidiaries and ownership

Parent company

From Wikidata.1

Timeline

  1. 2009Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1
  2. 2
  3. 3
    Company websiteSONI logo