SIC code 35120 classifies transmission of electricity businesses. There are 427 active companies registered under this code in the UK. It falls under Section D (Electricity, gas, steam and air conditioning supply) of the UK SIC 2007 classification system. The average company age is 8.4 years.
SIC code 35120 stands for "Transmission of electricity" under the UK Standard Industrial Classification (SIC 2007) system. It belongs to Section D — Electricity, gas, steam and air conditioning supply. Companies use this code when registering with Companies House to indicate their primary business activity.
There are currently 427 active companies registered under SIC code 35120 in the UK, out of 489 total registrations (including dissolved companies).
Search, filter, and analyse 427 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.