UK SIC 2007 code in Section C: Manufacturing

30300 Manufacture of air and spacecraft and related machinery

SIC 30300 is the UK code for manufacture of air and spacecraft and related machinery. Companies House accepts it when you register a company or file a confirmation statement.

Code
30300 (UK SIC 2007, Companies House list)
Section
Section C: Manufacturing
Division
30 Manufacture of other transport equipment
SIC 2026
30.31 Manufacture of civilian aircraft (1:3); 30.32 Manufacture of military aircraft (1:3); 30.33 Manufacture of spacecraft and related machinery (1:3)
Closest US NAICS
333310, 334220, 336360, 336411 and 5 more

Activities ONS lists under 30300

The ONS index assigns these 62 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 (30.30) to:

SIC 2026 codeHeadingLink type
30.31Manufacture of civilian aircraft1:3
30.32Manufacture of military aircraft1:3
30.33Manufacture of spacecraft and related machinery1:3

"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 30300 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.

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