SIC 84220 Section O — Public Administration and Defence

Defence activities

964 active UK companies registered under this classification.

SIC Code 84220 (Defence activities) is a UK Standard Industrial Classification code used by Companies House to categorise business activities. Companies registered under this code operate in the Defence activities sector, which falls under Section O (Public Administration and Defence) of the SIC 2007 framework. There are currently 964 active companies and 1,008 total registrations under this classification.

964 Active Companies
1,008 Total Registered
32 New in 2026
LONDON Top Location

Incorporation Trends

New Defence activities companies registered per year.

16
17
18
19
20
21
22
23
24
25
26

Defence activities Companies

Showing 1–25 of 1,008 companies.

FL

: F.-P.-S.-H.-Q. LTD 15130036

● Active Manchester Est. 2023
DL

10M DEFENCE LTD 16978737

● Active LONDON Est. 2026
L

11229269 LTD 11229269

● Active CARDIFF Est. 2018
IL

1415 INDUSTRIES LTD 16270692

● Active LONDON Est. 2025
LD

1ST LINE DEFENCE LIMITED 07717863

● Active Hoddesdon Est. 2011
L

2CJ LTD 09772917

● Active Andover Est. 2015
SL

3CT SECURITY LIMITED 13907527

● Active Malvern Est. 2022
L

3OAKSWANDERER LTD 16195485

● Active WADHURST Est. 2025
NL

3S NORTHUMBRIA LTD 14727800

● Active Alnwick Est. 2023
LD

5 LIONS DEFENCE (UK) LTD 16441681

● Active GRAYS Est. 2025
CL

5C CONSULTING LTD 12610733

● Active Banbury Est. 2020
L

73OM LTD 15951959

● Active Haverfordwest Est. 2024
L

821 LTD 12825354

● Active ABERGELE Est. 2020
AB

A B A COMMISSIONING LTD 15378457

● Active Sidcup Est. 2023
AR

A R D SHARPE LTD 08585563

● Active Wiltshire Est. 2013
AL

AADR (LONDON) LTD 16349871

● Active LONDON Est. 2025
AG

ABBEY GROUP DEFENCE LTD 05037799

● Active Merseyside Est. 2004
AC

ABCORP COLLEGE OF INVESTIGATION AND INTELLIGENCE LTD 16653214

● Active LONDON Est. 2025
AS

ABSOLUTE SECURITY LTD 13811068

● Active LONDON Est. 2021
AO

ACADEMY OF TRADITIONAL JAPANESE KARATE LTD 16493426

● Active HINCKLEY Est. 2025
AS

ACCELERATED SOLUTIONS LIMITED 06426677

● Active HAMPSHIRE Est. 2007
AT

ADB TECH LTD 15431099

● Active CHELTENHAM Est. 2024
AS

ADEX SAFETY CONSULTANCY LTD 11700748

● Active LONDON Est. 2018
AS

ADISON SECURITY LTD 15773998

● Active LONDON Est. 2024
AS

ADM SHINE ANALYTICS LIMITED 13002792

● Active COALVILLE Est. 2020

Frequently Asked Questions

What is SIC code 84220?

SIC code 84220 represents "Defence 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 O — Public Administration and Defence.

How many UK companies are classified under SIC 84220?

There are currently 964 active UK companies registered under SIC code 84220 (Defence activities), out of 1,008 total registrations.

Where are most Defence activities companies based in the UK?

The top locations for Defence activities companies in the UK are LONDON, BRISTOL, SALISBURY, WEYMOUTH, Camberley. London typically leads in company registrations across most sectors.

How do I find a specific Defence 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 Defence activities companies were incorporated in 2026?

32 new companies were registered under SIC code 84220 in 2026. CompanyPulse tracks all new UK incorporations in real time via the Companies House data stream.