SIC code 41201 (Construction of commercial buildings) is one of the most widely used business classifications in the UK, with 33,848 active companies registered under this code. It falls under Section F (Construction) of the UK SIC 2007 classification system. The average company age is 8.0 years. The leading locations are ILFORD (617) and ROMFORD (479).
See the full industry analysis on the Construction of commercial buildings industry page.
SIC code 41201 stands for "Construction of commercial buildings" 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 33,848 active companies registered under SIC code 41201 in the UK, out of 40,253 total registrations (including dissolved companies).
The top locations for companies classified under SIC 41201 are: ILFORD (617), ROMFORD (479), DAGENHAM (357). These areas represent the highest concentration of construction of commercial buildings businesses in the UK.
Search, filter, and analyse 33,848 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.