SIC code 4020 — Manufacture of gas; distribution of gaseous fuels through mains — is a specialist classification with 1 active companies in the UK. Despite its small size, this category represents an important part of the electricity, gas and water supply sector. It falls under Section E (Electricity, gas and water supply) of the UK SIC 2007 classification system, which is used by Companies House to categorise all registered businesses.
See the full industry analysis on the Manufacture of gas; distribution of gaseous fuels through mains industry page.
With an average age of 31.0 years, companies in this sector tend to be well-established. This maturity reflects high barriers to entry and strong business continuity among surviving firms. Company formation is spread across decades: 0% pre-1990, 100% in the 1990s, 0% in the 2000s, 0% in the 2010s, and 0% since 2020.
SIC code 4020 stands for "Manufacture of gas; distribution of gaseous fuels through mains" under the UK Standard Industrial Classification (SIC 2007) system. It belongs to Section E — Electricity, gas and water supply. Companies use this code when registering with Companies House to indicate their primary business activity. The code is required for annual confirmation statements and is used by HMRC, ONS, and other government bodies for statistical and regulatory purposes.
There are currently 1 active companies registered under SIC code 4020 in the UK, out of 1 total registrations. This gives a survival rate of 100%, meaning 0% of companies registered under this code have since dissolved. These figures are based on Companies House data and updated regularly.
Formation rates for SIC 4020 have been moderate: 0% of active companies formed since 2020, compared to 0% in the 2010s. The sector appears stable, with a balanced mix of established and newer businesses.
Companies classified under SIC 4020 have an average age of 31.0 years. This indicates a mature sector where businesses tend to operate long-term.
Related SIC codes within the same division include: 4010 (Production and distribution of electricity), 4011 (Production of electricity), 4012 (Transmission of electricity), 4013 (Distribution and trade of electricity). Companies may use multiple SIC codes if they operate across several of these related activities. When registering with Companies House, businesses should select the code that best represents their primary activity.
You can search for companies with SIC code 4020 (Manufacture of gas; distribution of gaseous fuels through mains) using UVAGATRON's company explorer, which allows filtering by SIC code, location, and company status. Alternatively, Companies House offers a basic search on their website. Our platform adds risk intelligence, director networks, and signals from 50+ government databases to each company record.
Search, filter, and analyse 1 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: 2026-04-17.