UK SIC 2007 code in Section O: Public administration and defence; compulsory social security

84110 General public administration activities

SIC 84110 is the UK code for general public administration activities. Companies House accepts it when you register a company or file a confirmation statement.

Code
84110 (UK SIC 2007, Companies House list)
Section
Section O: Public administration and defence; compulsory social security
Division
84 Public administration and defence; compulsory social security
SIC 2026
84.11 General public administration activities (1:1)
Closest US NAICS
561440, 921110, 921120, 921130 and 7 more

Activities ONS lists under 84110

The ONS index assigns these 17 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 (84.11) to:

SIC 2026 codeHeadingLink type
84.11General public administration activities1:1

"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 84110 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.