SIC code 35120
Transmission of electricity
807 UK companies classified under this code.
Search companies with SIC 35120What SIC code 35120 covers
SIC code 35120 is the UK Standard Industrial Classification for Transmission of electricity. It falls under SIC section D — Electricity, Gas, Steam & Air Conditioning, division 35. Companies record it at Companies House to describe what they do, and it is one of up to four SIC codes a company can hold.
Transmission of electricity — the high-voltage backbone that moves power over long distances via the National Grid and regional transmission networks. This is heavily regulated infrastructure run by a small number of large licensed operators rather than small businesses, neighbouring the generation and distribution trades.
Where these companies are based
Active companies under SIC code 35120 cluster most in:
- London 207
- Altrincham 87
- Cardiff 48
- Glasgow 19
- Greenside Place 16
- Belfast 11
Example companies with SIC code 35120
A sample of recently-incorporated active companies classified under 35120:
- Srinikacharith Limited
- Neutral Volt (Uk) Ltd
- Ethtry Energy Limited
- Mu Energy Ltd
- A4-Tech Limited
- Fe Ware Gridco Ltd
- Fe Barnard Castle Gridco Ltd
- Asi Engineering Uk Limited
- E-Drive Energy Limited
- Activa Process Management Limited
- Uk Power Network Connections Ltd
- Inducta Grid Ltd
Related SIC codes
- 35110 Production of electricity
- 35130 Distribution of electricity
- 35140 Trade of electricity
- 35210 Manufacture of gas
- 35220 Distribution of gaseous fuels through mains
- 35230 Trade of gas through mains
- 35300 Steam and air conditioning supply
Frequently asked
What is SIC code 35120?
SIC code 35120 is the UK Standard Industrial Classification (SIC 2007) for "Transmission of electricity". It is the code a company records at Companies House when this is its business activity, and it sits within SIC section D — Electricity, Gas, Steam & Air Conditioning.
How many companies use SIC code 35120?
807 companies are currently classified under SIC code 35120 on the UK register, most commonly in London, Altrincham, Cardiff.
How do I find companies with SIC code 35120?
On Company Shark, search the live Companies House register by SIC code 35120, then narrow by location and incorporation date and export the list with director details. SIC code filtering is available on the Business and MAX plans.
Is SIC code 35120 the right code for my company?
SIC codes are self-reported. Pick the code that most closely matches your main activity — 35120 covers "Transmission of electricity". You can record up to four SIC codes, and update them on your annual confirmation statement.
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