Compulsory social security activities Companies in the UK

SIC 84300Public administration and defence|240% formed since 2020|Data updated 5 Jun 2026
27
Active

27 active UK companies are classified under compulsory social security activities (SIC code 84300), a specialised sector. This sector falls under Section O — Public administration and defence — of the UK Standard Industrial Classification. The sector is experiencing rapid growth, with 240% of active businesses incorporated since 2020 — indicating strong recent demand. 126% of companies were formed after 2010, marking this as a sector with predominantly recent entrants. The average company age in this sector is 5.8 years. The sector is heavily concentrated in London, which accounts for 37% of all companies.

Source: Companies House register via UVAGATRON, June 2026

27
Active Companies
O
SIC Section
1988
Oldest Company
240%
Growth (2020s)
5.8 yr
Avg Company Age

A rapidly growing sector with 240% of active companies formed since 2020.

Incorporation by Decade
28%
67%
Pre-1990: 1
2000s: 1
2010s: 10
2020s: 24

Data Signals

Governance
872 src
Financial
452 src
Compliance
143 src
Risk
115 src
quality
11 src

Sector Overview

The average active company in this sector is 5.8 years old. Geographic concentration: 37% in LONDON.

5.8 yrs
Avg company age

Frequently Asked Questions

How many compulsory social security activities companies are there in the UK?

There are 27 active companies classified under SIC code 84300 (Compulsory social security activities) in the UK, out of 36 total registered.

What is SIC code 84300?

SIC code 84300 stands for "Compulsory social security activities". It belongs to Section O — Public administration and defence of the UK Standard Industrial Classification.

Where are most compulsory social security activities companies located?

The largest concentrations are in LONDON (10).

What is the average age of compulsory social security activities companies?

The average active compulsory social security activities company in the UK is 5.8 years old, with the oldest registration dating back to 1988.

What government data is available for compulsory social security activities companies?

Our database contains 158 data signals across 5 categories for active compulsory social security activities companies. The largest category is Governance with 87 signals from 2 government sources.

Research UK Companies with AI

5.9M companies, 50M+ signals from 53 government sources. Risk scores, director networks, entity analysis.

Data is updated daily from official UK government sources including Companies House. Information is provided for reference only.