SIC code 43210 (Electrical installation) is one of the most widely used business classifications in the UK, with 49,895 active companies registered under this code. It falls under Section F (Construction) of the UK SIC 2007 classification system. The average company age is 8.5 years. The leading locations are BASILDON (226) and SIDCUP (175).
See the full industry analysis on the Electrical installation industry page.
SIC code 43210 stands for "Electrical installation" 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 49,895 active companies registered under SIC code 43210 in the UK, out of 56,325 total registrations (including dissolved companies).
The top locations for companies classified under SIC 43210 are: BASILDON (226), SIDCUP (175), WIGAN (171). These areas represent the highest concentration of electrical installation businesses in the UK.
Search, filter, and analyse 49,895 companies classified under this SIC code with AI-powered risk intelligence.
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.