11,401 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 11.8% dissolution rate — 11,401 of 15,691 registrations remain active. The sector is experiencing rapid growth, with 260.4% of active businesses incorporated since 2020 — indicating strong recent demand. 127% 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. 59 large companies, 10 medium-sized firms operate in this sector. London leads with 22% of companies in this sector. Companies in this sector hold 500 government contracts valued at £2.2B.
Source: Companies House register via UVAGATRON, September 2026
A rapidly growing sector with 260.4% of active companies formed since 2020.
The private security activities sector has a <Link href="/glossary/company-dissolution">11.8% 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 500 government contracts worth £2198.5M in total.
There are 11,401 active companies classified under SIC code 80100 (Private security activities) in the UK, out of 15,691 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 65,549 data signals across 11 categories for active private security activities companies. The largest category is Governance with 33,690 signals from 6 government sources.
5.9M companies, 50M+ signals from 53 government sources. Risk scores, director networks, entity analysis.