SIC code 09100 classifies businesses engaged in support activities for petroleum and natural gas extraction. There are 3,011 active companies registered under this code in the UK, forming a substantial sector within the national economy. 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 Support activities for petroleum and natural gas extraction industry page.
With a 85% survival rate, this sector shows strong business longevity. Only 7 of 3,550 companies registered under this code have dissolved, well below the UK average. Companies in this sector average 10.4 years old, reflecting a balanced mix of established businesses and newer market participants. The sector is experiencing strong growth, with 38% of active companies formed since 2020 and 41% during the 2010s. This sustained formation rate points to continued demand for support activities for petroleum and natural gas extraction services. The leading locations for this sector are LONDON (464), ABERDEEN (342), MONTROSE (118), which together account for 31% of active companies.
SIC code 09100 stands for "Support activities for petroleum and natural gas extraction" 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 3,011 active companies registered under SIC code 09100 in the UK, out of 3,550 total registrations. This gives a survival rate of 85%, meaning 15% of companies registered under this code have since dissolved. These figures are based on Companies House data and updated regularly.
The top locations for support activities for petroleum and natural gas extraction companies (SIC 09100) are: LONDON (464), ABERDEEN (342), MONTROSE (118), GLASGOW (62), PETERHEAD (61). Geographic concentration can reflect local economic conditions, industry clusters, or proximity to key markets and supply chains.
The sector is growing: 38% of currently active SIC 09100 companies were formed since 2020, and 41% during the 2010s. This sustained formation rate indicates ongoing demand for support activities for petroleum and natural gas extraction services in the UK.
Companies classified under SIC 09100 have an average age of 10.4 years. This suggests a balanced sector with both established players and newer entrants. Notable companies include BAKER HUGHES LIMITED, WOOD GROUP UK LIMITED, FMC TECHNOLOGIES LIMITED.
Related SIC codes within the same division include: 09900 (Support activities for other mining and quarrying). 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 09100 (Support activities for petroleum and natural gas extraction) 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 3,011 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.