SIC code 36000 covers water collection, treatment and supply activities in the UK, with 1,532 active companies currently registered. It falls under Section E (Water supply; sewerage, waste management) of the UK SIC 2007 classification system. The average company age is 11.4 years.
SIC code 36000 stands for "Water collection, treatment and supply" under the UK Standard Industrial Classification (SIC 2007) system. It belongs to Section E — Water supply; sewerage, waste management. Companies use this code when registering with Companies House to indicate their primary business activity.
There are currently 1,532 active companies registered under SIC code 36000 in the UK, out of 1,712 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.