SIC 61900 Section J — Information and Communication

Other telecommunications activities

12,418 active UK companies registered under this classification.

SIC Code 61900 (Other telecommunications activities) is a UK Standard Industrial Classification code used by Companies House to categorise business activities. Companies registered under this code operate in the Other telecommunications activities sector, which falls under Section J (Information and Communication) of the SIC 2007 framework. There are currently 12,418 active companies and 13,133 total registrations under this classification.

12,418 Active Companies
13,133 Total Registered
217 New in 2026
LONDON Top Location

Other telecommunications activities Companies

Showing 1–25 of 13,133 companies.

CS

"INTOUCH COMMUNICATION SERVICES" LIMITED 03606467

● Active Ilford Est. 1998
TH

“Q-STAR TELENERGY HOLDINGS LIMITED SC655320

● Active RENFREWSHIRE Est. 2020
L

(AQ) LIMITED 03663860

● Active Leeds Est. 1998
NL

(AQ) NETWORKS LIMITED 04250076

● Active Leeds Est. 2001
FL

001 FUSE LTD. 10627591

● Active St. Albans Est. 2017
TL

01 TELECOM LTD 06862204

● Active Manchester Est. 2009
L

01DIRECT LTD 08294893

● Active LONDON Est. 2012
L

01SEVENTYSIX LTD 16382565

● Active London Est. 2025
UL

08 UK LTD 06230514

● Active Llandudno Est. 2007
CS

1 CLICK SERVICES LIMITED 06617238

● Active Cardiff Est. 2008
RC

1 RED CUBE LTD 06322834

● Active Dudley Est. 2007
TT

1 TOUCH TELECOMS LTD. SC385818

● Active GLASGOW Est. 2010
NL

10 10 NETWORKS LIMITED 16391915

● Active London Est. 2025
XJ

10 X JOINT VENTURES LTD SC828263

● Active ABERDEEN Est. 2024
XV

10 X VENTURES LTD SC825727

● Active ABERDEEN Est. 2024
NL

101 NETWORKS LIMITED 10831804

● Active Preston Est. 2017
SA

101 SECURITY AND IT LIMITED 15440134

● Active London Est. 2024
NL

10EX NET LIMITED 12205857

● Active RICHMOND Est. 2019
TL

11 TECHNOLOGIES LTD 10148153

● Active Southall Est. 2016
TS

11 TELECOM SERVICES LTD 06832167

● Active Nottingham Est. 2009
TL

110 TECHNOLOGIES LIMITED 16676996

● Active BOREHAMWOOD Est. 2025
TL

110 TELECOMS LIMITED 09061408

● Active Borehamwood Est. 2014
CL

1189 COMMUNICATIONS LIMITED 10413128

● Active Peterlee Est. 2016
BG

121 BUSINESS GROUP LIMITED 15958273

● Active ALDERLEY EDGE Est. 2024
L

123PS LTD 13648225

● Active Market Bosworth Est. 2021

Frequently Asked Questions

What is SIC code 61900?

SIC code 61900 represents "Other telecommunications activities" in the UK Standard Industrial Classification (SIC) 2007 system. It is used by Companies House to categorise the primary business activity of registered UK companies. It falls under Section J — Information and Communication.

How many UK companies are classified under SIC 61900?

There are currently 12,418 active UK companies registered under SIC code 61900 (Other telecommunications activities), out of 13,133 total registrations.

Where are most Other telecommunications activities companies based in the UK?

The top locations for Other telecommunications activities companies in the UK are LONDON, Manchester, Birmingham, Cardiff, LIVERPOOL. London typically leads in company registrations across most sectors.

How do I find a specific Other telecommunications activities company?

You can browse all companies on this page, or use CompanyPulse's search at companypulse.co.uk/search to find a specific company by name or company number. Each company profile includes directors, financial data, risk analysis, and filing history.

How many new Other telecommunications activities companies were incorporated in 2026?

217 new companies were registered under SIC code 61900 in 2026. CompanyPulse tracks all new UK incorporations in real time via the Companies House data stream.