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Electrical installation: UK companies

55,928 live UK companies list electrical installation as their main trade, or 1.0% of the register. It ranks 13th among the 60 trades we cover. 5,679 of those companies were formed in 2025, against 2,077 still live from 2015. 4,314 (7.7%) have a proposal to strike off on file, close to the UK figure of 7.3%.

Where they're registered

Where this trade is unusually common

The town's share of this trade, compared with its share of all UK companies.

  • Sidcup (179 companies)3.5×
  • Hartlepool (128 companies)3.5×
  • Basildon (263 companies)2.7×
  • Cannock (120 companies)2.7×
  • Rochester (166 companies)2.4×

By year formed

Only companies still live are counted, so older years look smaller. 2026 stops on 1 November 2026.

20122026
See every year as a table
YearLive companies
20121,190
20131,377
20142,026
20152,077
20162,059
20172,290
20182,874
20192,932
20202,543
20213,005
20223,389
20233,775
20243,938
20255,679
20265,789

Oldest active companies in this trade

  1. Actemium UkFormed 1900
  2. Whittaker Bros.Formed 1900
  3. Richard Irvin & SonsFormed 1907
  4. Lounsdale ElectricFormed 1911
  5. Tclarke PlcFormed 1911

Related by size

Trade means the first Standard Industrial Classification code (SIC 43210) a company declares. Companies choose their own codes. Figures come from Companies House on 1 November 2026.

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