UK SIC 2007 code in Section J: Information and communication

61900 Other telecommunications activities

SIC 61900 is the UK code for other telecommunications activities. Companies House accepts it when you register a company or file a confirmation statement.

Code
61900 (UK SIC 2007, Companies House list)
Section
Section J: Information and communication
Division
61 Telecommunications
SIC 2026
61.20 Telecommunication reselling activities and intermediation service activities for telecommunication (1:2); 61.90 Other telecommunication activities (1:2)
Closest US NAICS
517121, 517122, 517410, 517810 and 1 more

Activities ONS lists under 61900

The ONS index assigns these 13 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 (61.90) to:

SIC 2026 codeHeadingLink type
61.20Telecommunication reselling activities and intermediation service activities for telecommunication1:2
61.90Other telecommunication activities1:2

"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 61900 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.