UK SIC 2007 code in Section F: Construction

43390 Other building completion and finishing

SIC 43390 is the UK code for other building completion and finishing. Companies House accepts it when you register a company or file a confirmation statement.

Code
43390 (UK SIC 2007, Companies House list)
Section
Section F: Construction
Division
43 Specialised construction activities
SIC 2026
43.23 Installation of insulation (1:7); 43.31 Plastering (1:7); 43.32 Joinery installation (1:7); 43.33 Floor and wall covering (1:7); 43.34 Painting and glazing (1:7); 43.35 Other building completion and finishing (1:7); 81.22 Other building and industrial cleaning activities (1:7)
Closest US NAICS
238140, 238150, 238320, 238330 and 3 more

Activities ONS lists under 43390

The ONS index assigns these 3 activities to this code. If one describes your company, this is the code to use.

Source: ONS UK SIC 2007 alphabetical index.

Businesses that use this code

What changes in SIC 2026

ONS published UK SIC 2026 in 2026. Its correspondence table maps this code's class (43.39) to:

SIC 2026 codeHeadingLink type
43.23Installation of insulation1:7
43.31Plastering1:7
43.32Joinery installation1:7
43.33Floor and wall covering1:7
43.34Painting and glazing1:7
43.35Other building completion and finishing1:7
81.22Other building and industrial cleaning activities1:7

"1:1" means the class carries over unchanged in scope; other link types mean it was split or merged. Companies House still uses SIC 2007, so keep filing with 43390 until it announces a switch.

Source: ONS correspondence table, SIC 2007 to SIC 2026.

Closest US NAICS codes

Matched through the shared international class (ISIC Rev. 4). Treat these as a starting point and read the definition before using one.

Similar codes to compare

Data last changed November 14, 2026. Source: Companies House condensed SIC list. How this page is built.