SIC code 24100 covers manufacture of basic iron and steel and of ferro-alloys businesses. With 713 active companies, this is a specialised niche within the UK business landscape. It falls under Section C (Manufacturing) 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 basic iron and steel and of ferro-alloys industry page.
With a 82% survival rate, this sector shows strong business longevity. Only 36 of 870 companies registered under this code have dissolved, well below the UK average. The average company age is 16.2 years, indicating an established sector with a mix of long-running businesses and newer entrants. The sector is experiencing strong growth, with 39% of active companies formed since 2020 and 23% during the 2010s. This sustained formation rate points to continued demand for manufacture of basic iron and steel and of ferro-alloys services. Companies are geographically dispersed across the UK, with no single location dominating. The top three locations — LONDON, LEAMINGTON SPA, SHEFFIELD — together account for just 20% of the sector.
SIC code 24100 stands for "Manufacture of basic iron and steel and of ferro-alloys" under the UK Standard Industrial Classification (SIC 2007) system. It belongs to Section C — Manufacturing. 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 713 active companies registered under SIC code 24100 in the UK, out of 870 total registrations. This gives a survival rate of 82%, meaning 18% 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 basic iron and steel and of ferro-alloys companies (SIC 24100) are: LONDON (72), LEAMINGTON SPA (49), SHEFFIELD (22), KENILWORTH (20), BECKENHAM (12). Geographic concentration can reflect local economic conditions, industry clusters, or proximity to key markets and supply chains.
The sector is growing: 39% of currently active SIC 24100 companies were formed since 2020, and 23% during the 2010s. This sustained formation rate indicates ongoing demand for manufacture of basic iron and steel and of ferro-alloys services in the UK.
Companies classified under SIC 24100 have an average age of 16.2 years. This indicates a mature sector where businesses tend to operate long-term. Notable companies include BRITISH STEEL LIMITED, TATA STEEL UK LIMITED, SHEFFIELD FORGEMASTERS ENGINEERING LIMITED.
Related SIC codes within the same division include: 24200 (Manufacture of tubes, pipes, hollow profiles and related fittings, of steel), 24410 (Precious metals production), 24450 (Other non-ferrous metal production), 24420 (Aluminium production). 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 24100 (Manufacture of basic iron and steel and of ferro-alloys) 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 713 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: 2026-08-20.