UK SIC 2007 code in Section D: Electricity, gas, steam and air conditioning supply
35230 Trade of gas through mains
SIC 35230 is the UK code for trade of gas through mains. Companies House accepts it when you register a company or file a confirmation statement.
- Code
- 35230 (UK SIC 2007, Companies House list)
- Section
- Section D: Electricity, gas, steam and air conditioning supply
- Division
- 35 Electricity, gas, steam and air conditioning supply
- SIC 2026
- 35.40 Activities of brokers and agents for electric power and natural gas (1:2); 35.23 Trade of gas through mains (1:2)
- Closest US NAICS
- 221210
Activities ONS lists under 35230
The ONS index assigns these 4 activities to this code. If one describes your company, this is the code to use.
- Commodity and transport capacity exchanges for gaseous fuels
- Gas agents (mains gas)
- Gas brokers (mains gas)
- Sale of gas to the user through mains
Source: ONS UK SIC 2007 alphabetical index.
What changes in SIC 2026
ONS published UK SIC 2026 in 2026. Its correspondence table maps this code's class (35.23) to:
| SIC 2026 code | Heading | Link type |
|---|---|---|
| 35.40 | Activities of brokers and agents for electric power and natural gas | 1:2 |
| 35.23 | Trade of gas through mains | 1:2 |
"1:1" means the class carries over unchanged in scope; other link types mean it was split or merged. Companies House still uses SIC 2007, so keep filing with 35230 until it announces a switch.
Closest US NAICS codes
Matched through the shared international class (ISIC Rev. 4). Treat these as a starting point and read the definition before using one.
Similar codes to compare
Data last changed November 14, 2026. Source: Companies House condensed SIC list. How this page is built.