SIC code 49311 covers urban and suburban passenger railway transportation by underground, metro and similar systems businesses. With 128 active companies, this is a specialised niche within the UK business landscape. It falls under Section H (Transportation and storage) 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 Urban and suburban passenger railway transportation by underground, metro and similar systems industry page.
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 39% of active companies formed since 2020 and 44% during the 2010s. This sustained formation rate points to continued demand for urban and suburban passenger railway transportation by underground, metro and similar systems services. The highest concentration of urban and suburban passenger railway transportation by underground, metro and similar systems companies is in LONDON, with 46 active firms (36% of the sector).
SIC code 49311 stands for "Urban and suburban passenger railway transportation by underground, metro and similar systems" under the UK Standard Industrial Classification (SIC 2007) system. It belongs to Section H — Transportation and storage. 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 128 active companies registered under SIC code 49311 in the UK, out of 162 total registrations. This gives a survival rate of 79%, meaning 21% of companies registered under this code have since dissolved. These figures are based on Companies House data and updated regularly.
The top locations for urban and suburban passenger railway transportation by underground, metro and similar systems companies (SIC 49311) are: LONDON (46). 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 49311 companies were formed since 2020, and 44% during the 2010s. This sustained formation rate indicates ongoing demand for urban and suburban passenger railway transportation by underground, metro and similar systems services in the UK.
Companies classified under SIC 49311 have an average age of 10.4 years. This suggests a balanced sector with both established players and newer entrants. Notable companies include LONDON UNDERGROUND LIMITED, TRANSPORT TRADING LIMITED.
Related SIC codes within the same division include: 49410 (Freight transport by road), 49320 (Taxi operation), 49390 (Other passenger land transport), 49420 (Removal services). 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 49311 (Urban and suburban passenger railway transportation by underground, metro and similar systems) 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 128 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.