SIC code 05101 — Deep coal mines — is a specialist classification with 22 active companies in the UK. Despite its small size, this category represents an important part of the mining and quarrying sector. It falls under Section B (Mining and quarrying) 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 Deep coal mines industry page.
With a 63% survival rate, this sector shows strong business longevity. Only 4 of 35 companies registered under this code have dissolved, well below the UK average. The average company age is 15.3 years, indicating an established sector with a mix of long-running businesses and newer entrants. The sector is experiencing strong growth, with 36% of active companies formed since 2020 and 23% during the 2010s. This sustained formation rate points to continued demand for deep coal mines services. The highest concentration of deep coal mines companies is in LONDON, with 9 active firms (41% of the sector).
SIC code 05101 stands for "Deep coal mines" under the UK Standard Industrial Classification (SIC 2007) system. It belongs to Section B — Mining and quarrying. 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 22 active companies registered under SIC code 05101 in the UK, out of 35 total registrations. This gives a survival rate of 63%, meaning 37% of companies registered under this code have since dissolved. These figures are based on Companies House data and updated regularly.
The top locations for deep coal mines companies (SIC 05101) are: LONDON (9). Geographic concentration can reflect local economic conditions, industry clusters, or proximity to key markets and supply chains.
The sector is growing: 36% of currently active SIC 05101 companies were formed since 2020, and 23% during the 2010s. This sustained formation rate indicates ongoing demand for deep coal mines services in the UK.
Companies classified under SIC 05101 have an average age of 15.3 years. This indicates a mature sector where businesses tend to operate long-term.
Related SIC codes within the same division include: 05102 (Open cast coal working), 05200 (Mining of lignite), 0501 (Fishing), 0502 (Fish farming). 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 05101 (Deep coal mines) 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 22 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.