SIC code 4531 classifies installation of electrical wiring and fittings businesses. There are 30 active companies registered under this code in the UK. It falls under Section F (Construction) of the UK SIC 2007 classification system. With an average company age of 58.9 years, this is a well-established sector with mature businesses.
SIC code 4531 stands for "Installation of electrical wiring and fittings" under the UK Standard Industrial Classification (SIC 2007) system. It belongs to Section F — Construction. Companies use this code when registering with Companies House to indicate their primary business activity.
There are currently 30 active companies registered under SIC code 4531 in the UK, out of 265 total registrations (including dissolved companies).
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Data sourced from Companies House, HM Land Registry, FCA Register, and 50+ government databases. SIC classification follows the UK Standard Industrial Classification of Economic Activities 2007 (SIC 2007). Last updated: 2026-04-05.