SIC code 6110 — Sea and coastal water transport — is a specialist classification with 4 active companies in the UK. Despite its small size, this category represents an important part of the transport, storage and communication sector. It falls under Section I (Transport, storage and communication) 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 Sea and coastal water transport industry page.
With an average age of 60.3 years, companies in this sector tend to be well-established. This maturity reflects high barriers to entry and strong business continuity among surviving firms. This is a mature sector with deep roots: 75% of active companies were established before 1990. While 0% of companies formed since 2020, the sector's backbone consists of long-established businesses.
SIC code 6110 stands for "Sea and coastal water transport" under the UK Standard Industrial Classification (SIC 2007) system. It belongs to Section I — Transport, storage and communication. 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 4 active companies registered under SIC code 6110 in the UK, out of 12 total registrations. This gives a survival rate of 33%, meaning 67% of companies registered under this code have since dissolved. These figures are based on Companies House data and updated regularly.
Formation rates for SIC 6110 have been moderate: 0% of active companies formed since 2020, compared to 0% in the 2010s. The sector appears stable, with a balanced mix of established and newer businesses.
Companies classified under SIC 6110 have an average age of 60.3 years. This indicates a mature sector where businesses tend to operate long-term.
Related SIC codes within the same division include: 61900 (Other telecommunications activities), 61100 (Wired telecommunications activities), 61200 (Wireless telecommunications activities), 61300 (Satellite telecommunications activities). 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 6110 (Sea and coastal water 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 4 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.