11,220 active companies in the UK are classified under private security activities (SIC code 80100). This sector falls under Section N — Administrative and support service activities — of the UK Standard Industrial Classification. The sector has a relatively low 16.9% dissolution rate — 11,220 of 15,953 registrations remain active. The sector is experiencing rapid growth, with 266.7% of active businesses incorporated since 2020 — indicating strong recent demand. 131% of companies were formed after 2010, marking this as a sector with predominantly recent entrants. The average company age in this sector is 5.5 years. 60 large companies, 12 medium-sized firms operate in this sector. London leads with 22% of companies in this sector. Companies in this sector hold 513 government contracts valued at £2.2B.
Source: Companies House register via UVAGATRON, October 2026
A rapidly growing sector with 266.7% of active companies formed since 2020.
The private security activities sector has a <Link href="/glossary/company-dissolution">16.9% dissolution rate</Link>. The average active company in this sector is 5.5 years old. Geographic concentration: 22% in LONDON.
Companies in the private security activities sector have been awarded 513 government contracts worth £2248.4M in total.
There are 11,220 active companies classified under SIC code 80100 (Private security activities) in the UK, out of 15,953 total registered.
SIC code 80100 stands for "Private security activities". It belongs to Section N — Administrative and support service activities of the UK Standard Industrial Classification.
The largest concentrations are in LONDON (2,496), BIRMINGHAM (373), MANCHESTER (343).
The average active private security activities company in the UK is 5.5 years old, with the oldest registration dating back to 1936.
Our database contains 86,132 data signals across 11 categories for active private security activities companies. The largest category is Governance with 44,043 signals from 6 government sources.
5.9M companies, 50M+ signals from 53 government sources. Risk scores, director networks, entity analysis.