SIC code 80300 covers investigation activities activities in the UK, with 1,044 active companies currently registered. It falls under Section N (Administrative and support service activities) of the UK SIC 2007 classification system. The average company age is 9.2 years.
SIC code 80300 stands for "Investigation activities" under the UK Standard Industrial Classification (SIC 2007) system. It belongs to Section N — Administrative and support service activities. Companies use this code when registering with Companies House to indicate their primary business activity.
There are currently 1,044 active companies registered under SIC code 80300 in the UK, out of 1,196 total registrations (including dissolved companies).
Search, filter, and analyse 1,044 companies classified under this SIC code with AI-powered risk intelligence.
Data sourced from Companies House, HM Land Registry, FCA Register, and 50+ government databases. SIC classification follows the UK Standard Industrial Classification of Economic Activities 2007 (SIC 2007). Last updated: 2026-04-05.