SIC code 4100 — Collection, purification and distribution of water — is a UK Standard Industrial Classification code under Section E (Electricity, gas and water supply). No active companies are currently registered under this specific code. It falls under Section E (Electricity, gas and water supply) 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 Collection, purification and distribution of water industry page.
SIC code 4100 stands for "Collection, purification and distribution of water" under the UK Standard Industrial Classification (SIC 2007) system. It belongs to Section E — Electricity, gas and water supply. 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.
Related SIC codes within the same division include: 41100 (Development of building projects), 41202 (Construction of domestic buildings), 41201 (Construction of commercial buildings). 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 4100 (Collection, purification and distribution of water) 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 0 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.