SIC code 51101 covers scheduled passenger air transport businesses. With 612 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 Scheduled passenger air transport industry page.
With a 88% survival rate, this sector shows strong business longevity. Only 3 of 697 companies registered under this code have dissolved, well below the UK average. Companies in this sector average 11.8 years old, reflecting a balanced mix of established businesses and newer market participants. Growth has been exceptional recently: 44% of all active companies were formed since 2020, marking this as one of the fastest-expanding classifications. The 2010s contributed another 29%, meaning the vast majority of businesses are relatively new. The leading locations for this sector are LONDON (143), BIRMINGHAM (17), MANCHESTER (17), which together account for 29% of active companies.
SIC code 51101 stands for "Scheduled passenger air transport" 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 612 active companies registered under SIC code 51101 in the UK, out of 697 total registrations. This gives a survival rate of 88%, meaning 12% of companies registered under this code have since dissolved. These figures are based on Companies House data and updated regularly.
The top locations for scheduled passenger air transport companies (SIC 51101) are: LONDON (143), BIRMINGHAM (17), MANCHESTER (17), RICHMOND (9), FAREHAM (8). Geographic concentration can reflect local economic conditions, industry clusters, or proximity to key markets and supply chains.
The sector is growing: 44% of currently active SIC 51101 companies were formed since 2020, and 29% during the 2010s. This sustained formation rate indicates ongoing demand for scheduled passenger air transport services in the UK.
Companies classified under SIC 51101 have an average age of 11.8 years. This suggests a balanced sector with both established players and newer entrants. Notable companies include BRITISH AIRWAYS PLC, HEATHROW AIRPORT LIMITED, LOGANAIR LIMITED.
Related SIC codes within the same division include: 51102 (Non-scheduled passenger air transport), 51210 (Freight air transport), 51220 (Space transport), 5190 (Other wholesale). 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 51101 (Scheduled passenger air transport) 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 612 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.