SIC code 64991 classifies businesses engaged in security dealing on own account. There are 4,492 active companies registered under this code in the UK, forming a substantial sector within the national economy. It falls under Section K (Financial and insurance activities) of the UK SIC 2007 classification system, which is used by Companies House to categorise all registered businesses.
See the full industry analysis on the Security dealing on own account industry page.
With a 92% survival rate, this sector shows strong business longevity. Only 10 of 4,881 companies registered under this code have dissolved, well below the UK average. Companies in this sector average 8.3 years old, reflecting a balanced mix of established businesses and newer market participants. Growth has been exceptional recently: 62% of all active companies were formed since 2020, marking this as one of the fastest-expanding classifications. The 2010s contributed another 26%, meaning the vast majority of businesses are relatively new. The leading locations for this sector are LONDON (1,338), LEEDS (83), MANCHESTER (55), which together account for 33% of active companies.
SIC code 64991 stands for "Security dealing on own account" under the UK Standard Industrial Classification (SIC 2007) system. It belongs to Section K — Financial and insurance activities. Companies use this code when registering with Companies House to indicate their primary business activity. The code is required for annual confirmation statements and is used by HMRC, ONS, and other government bodies for statistical and regulatory purposes.
There are currently 4,492 active companies registered under SIC code 64991 in the UK, out of 4,881 total registrations. This gives a survival rate of 92%, meaning 8% of companies registered under this code have since dissolved. These figures are based on Companies House data and updated regularly.
The top locations for security dealing on own account companies (SIC 64991) are: LONDON (1,338), LEEDS (83), MANCHESTER (55), BIRMINGHAM (55), NORWICH (52). Geographic concentration can reflect local economic conditions, industry clusters, or proximity to key markets and supply chains.
The sector is growing: 62% of currently active SIC 64991 companies were formed since 2020, and 26% during the 2010s. This sustained formation rate indicates ongoing demand for security dealing on own account services in the UK.
Companies classified under SIC 64991 have an average age of 8.3 years. This suggests a balanced sector with both established players and newer entrants. Notable companies include TOWER RESEARCH CAPITAL EUROPE LIMITED, MUFG SECURITIES EMEA PLC, JANE STREET EUROPE LIMITED.
Related SIC codes within the same division include: 64209 (Activities of other holding companies n.e.c.), 64999 (Financial intermediation not elsewhere classified), 64205 (Activities of financial services holding companies), 64304 (Activities of open-ended investment companies). Companies may use multiple SIC codes if they operate across several of these related activities. When registering with Companies House, businesses should select the code that best represents their primary activity.
You can search for companies with SIC code 64991 (Security dealing on own account) using UVAGATRON's company explorer, which allows filtering by SIC code, location, and company status. Alternatively, Companies House offers a basic search on their website. Our platform adds risk intelligence, director networks, and signals from 50+ government databases to each company record.
Search, filter, and analyse 4,492 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: 2026-04-17.