975 active UK companies are classified under investigation activities (SIC code 80300), a specialised sector. This sector falls under Section N — Administrative and support service activities — of the UK Standard Industrial Classification. The sector has a relatively low 13.4% dissolution rate — 975 of 1,269 registrations remain active. The sector is experiencing rapid growth, with 123.8% of active businesses incorporated since 2020 — indicating strong recent demand. 106% of companies were formed after 2010, marking this as a sector with predominantly recent entrants. The average company age in this sector is 9.6 years. London leads with 23% of companies in this sector. Companies in this sector hold 48 government contracts valued at £8.3M.
Source: Companies House register via UVAGATRON, October 2026
A rapidly growing sector with 123.8% of active companies formed since 2020.
The investigation activities sector has a <Link href="/glossary/company-dissolution">13.4% dissolution rate</Link>. The average active company in this sector is 9.6 years old. Geographic concentration: 23% in LONDON.
Companies in the investigation activities sector have been awarded 48 government contracts worth £8.3M in total.
There are 975 active companies classified under SIC code 80300 (Investigation activities) in the UK, out of 1,269 total registered.
SIC code 80300 stands for "Investigation activities". It belongs to Section N — Administrative and support service activities of the UK Standard Industrial Classification.
The largest concentrations are in LONDON (223), MANCHESTER (17), BIRMINGHAM (15).
The average active investigation activities company in the UK is 9.6 years old, with the oldest registration dating back to 1954.
Our database contains 8,445 data signals across 11 categories for active investigation activities companies. The largest category is Governance with 3,997 signals from 6 government sources.
5.9M companies, 50M+ signals from 53 government sources. Risk scores, director networks, entity analysis.