There are 2,139 active companies in the trade of electricity sector in the UK (SIC code 35140). This sector falls under Section D — Electricity, gas, steam and air conditioning supply — of the UK Standard Industrial Classification. The sector has a relatively low 12.5% dissolution rate — 2,139 of 2,853 registrations remain active. The sector is experiencing rapid growth, with 118.4% of active businesses incorporated since 2020 — indicating strong recent demand. 122% of companies were formed after 2010, marking this as a sector with predominantly recent entrants. The average company age in this sector is 7.6 years. 130 large companies, 1 medium-sized firms operate in this sector. London leads with 21% of companies in this sector. Companies in this sector hold 247 government contracts valued at £10.9B.
Source: Companies House register via UVAGATRON, October 2026
A rapidly growing sector with 118.4% of active companies formed since 2020.
The trade of electricity sector has a <Link href="/glossary/company-dissolution">12.5% dissolution rate</Link>. The average active company in this sector is 7.6 years old. Geographic concentration: 21% in LONDON.
Companies in the trade of electricity sector have been awarded 247 government contracts worth £10888.7M in total.
There are 2,139 active companies classified under SIC code 35140 (Trade of electricity) in the UK, out of 2,853 total registered.
SIC code 35140 stands for "Trade of electricity". It belongs to Section D — Electricity, gas, steam and air conditioning supply of the UK Standard Industrial Classification.
The largest concentrations are in LONDON (457), MANCHESTER (50), BIRMINGHAM (40).
The average active trade of electricity company in the UK is 7.6 years old, with the oldest registration dating back to 1965.
Our database contains 20,917 data signals across 11 categories for active trade of electricity companies. The largest category is Governance with 9,118 signals from 5 government sources.
5.9M companies, 50M+ signals from 53 government sources. Risk scores, director networks, entity analysis.