SIC code 42910 classifies construction of water projects businesses. There are 955 active companies registered under this code in the UK. It falls under Section F (Construction) of the UK SIC 2007 classification system. The average company age is 9.9 years.
SIC code 42910 stands for "Construction of water projects" 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 955 active companies registered under SIC code 42910 in the UK, out of 1,089 total registrations (including dissolved companies).
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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.