SIC code 4030 — Steam and hot water supply — is a UK Standard Industrial Classification code. It falls under Section E (Electricity, gas and water supply) of the UK SIC 2007 classification system. Notably, 100% of all companies ever registered under this code have since dissolved, indicating high sector turnover.
SIC code 4030 stands for "Steam and hot water supply" 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.
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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.