SIC code 35210 covers manufacture of gas businesses. With 325 active companies, this is a specialised niche within the UK business landscape. It falls under Section D (Electricity, gas, steam and air conditioning 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 industry page.
With a 91% survival rate, this sector shows strong business longevity. Only 1 of 357 companies registered under this code have dissolved, well below the UK average. The average company age of 6.6 years suggests a relatively young and dynamic sector, with many businesses having been established in recent years. Growth has been exceptional recently: 49% of all active companies were formed since 2020, marking this as one of the fastest-expanding classifications. The 2010s contributed another 46%, meaning the vast majority of businesses are relatively new. Geographically, the sector is heavily concentrated: LONDON alone accounts for 37% of all active companies (120 firms). The top three locations — LONDON, GIRVAN, TAUNTON — represent 43% of the sector.
SIC code 35210 stands for "Manufacture of gas" under the UK Standard Industrial Classification (SIC 2007) system. It belongs to Section D — Electricity, gas, steam and air conditioning 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 325 active companies registered under SIC code 35210 in the UK, out of 357 total registrations. This gives a survival rate of 91%, meaning 9% of companies registered under this code have since dissolved. These figures are based on Companies House data and updated regularly.
The top locations for manufacture of gas companies (SIC 35210) are: LONDON (120), GIRVAN (11), TAUNTON (8), AYRSHIRE (6). Geographic concentration can reflect local economic conditions, industry clusters, or proximity to key markets and supply chains.
The sector is growing: 49% of currently active SIC 35210 companies were formed since 2020, and 46% during the 2010s. This sustained formation rate indicates ongoing demand for manufacture of gas services in the UK.
Companies classified under SIC 35210 have an average age of 6.6 years. This suggests a balanced sector with both established players and newer entrants. Notable companies include DRAGON LNG LIMITED.
Related SIC codes within the same division include: 35110 (Production of electricity), 35140 (Trade of electricity), 35300 (Steam and air conditioning supply), 35130 (Distribution 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 35210 (Manufacture of gas) 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 325 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.