SIC code 4533 classifies plumbing businesses. There are 51 active companies registered under this code in the UK. It falls under Section F (Construction) of the UK SIC 2007 classification system. With an average company age of 57.8 years, this is a well-established sector with mature businesses.
SIC code 4533 stands for "Plumbing" under the UK Standard Industrial Classification (SIC 2007) system. It belongs to Section F — Construction. Companies use this code when registering with Companies House to indicate their primary business activity.
There are currently 51 active companies registered under SIC code 4533 in the UK, out of 246 total registrations (including dissolved companies).
Search, filter, and analyse 51 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: 2026-04-05.