UK SIC 2007 code in Section C: Manufacturing

24420 Aluminium production

SIC 24420 is the UK code for aluminium production. Companies House accepts it when you register a company or file a confirmation statement.

Code
24420 (UK SIC 2007, Companies House list)
Section
Section C: Manufacturing
Division
24 Manufacture of basic metals
SIC 2026
24.42 Aluminium production (1:1)

Activities ONS lists under 24420

The ONS index assigns these 55 activities to this code. If one describes your company, this is the code to use.

Source: ONS UK SIC 2007 alphabetical index.

What changes in SIC 2026

ONS published UK SIC 2026 in 2026. Its correspondence table maps this code's class (24.42) to:

SIC 2026 codeHeadingLink type
24.42Aluminium production1:1

"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 24420 until it announces a switch.

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

Similar codes to compare

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