SIC code 68100 (Buying and selling of own real estate) is one of the most widely used business classifications in the UK, with 242,178 active companies registered under this code. It falls under Section L (Real estate activities) of the UK SIC 2007 classification system. The average company age is 5.9 years. LONDON dominates with 54,323 companies (22% of all active firms in this code).
See the full industry analysis on the Buying and selling of own real estate industry page.
SIC code 68100 stands for "Buying and selling of own real estate" under the UK Standard Industrial Classification (SIC 2007) system. It belongs to Section L — Real estate activities. Companies use this code when registering with Companies House to indicate their primary business activity.
There are currently 242,178 active companies registered under SIC code 68100 in the UK, out of 255,981 total registrations (including dissolved companies).
The top locations for companies classified under SIC 68100 are: LONDON (54,323), MANCHESTER (5,781), BIRMINGHAM (5,744). These areas represent the highest concentration of buying and selling of own real estate businesses in the UK.
Search, filter, and analyse 242,178 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.