SIC code 42990 (Construction of other civil engineering projects n.e.c.) is one of the most widely used business classifications in the UK, with 14,746 active companies registered under this code. It falls under Section F (Construction) of the UK SIC 2007 classification system. The average company age is 11.8 years.
See the full industry analysis on the Construction of other civil engineering projects n.e.c. industry page.
SIC code 42990 stands for "Construction of other civil engineering projects n.e.c." 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 14,746 active companies registered under SIC code 42990 in the UK, out of 17,241 total registrations (including dissolved companies).
The top locations for companies classified under SIC 42990 are: SMETHWICK (149). These areas represent the highest concentration of construction of other civil engineering projects n.e.c. businesses in the UK.
Search, filter, and analyse 14,746 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.