UK SIC 2007 code in Section D: Electricity, gas, steam and air conditioning supply

35140 Trade of electricity

SIC 35140 is the UK code for trade of electricity. Companies House accepts it when you register a company or file a confirmation statement.

Code: 35140 (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: 35.15 Trade of electricity (1:2); 35.40 Activities of brokers and agents for electric power and natural gas (1:2)
Closest US NAICS: 221111, 221112, 221113, 221114 and 6 more

Activities ONS lists under 35140

The ONS index assigns these 7 activities to this code. If one describes your company, this is the code to use.

Charging stations for mobile phones and laptops
Charging stations for mobile phones and laptops (sale of electricity)
Electricity power agents
Electricity power brokers
Electricity sales agents
Electricity sales to the user
Operation of electricity and transmission capacity exchanges for electric power

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 (35.14) to:

SIC 2026 code	Heading	Link type
35.15	Trade of electricity	1:2
35.40	Activities of brokers and agents for electric power and natural gas	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 35140 until it announces a switch.

Source: ONS correspondence table, SIC 2007 to SIC 2026.

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.