There are 4,526 active companies in the security dealing on own account sector in the UK (SIC code 64991). This sector falls under Section K — Financial and insurance activities — of the UK Standard Industrial Classification. The sector has a relatively low 7.3% dissolution rate — 4,526 of 5,247 registrations remain active. The sector is experiencing rapid growth, with 252.9% of active businesses incorporated since 2020 — indicating strong recent demand. 101% of companies were formed after 2010, marking this as a sector with predominantly recent entrants. The average company age in this sector is 8.5 years. London leads with 30% of companies in this sector. Companies in this sector hold 42 government contracts valued at £529.0M. The sector's longest-standing company was incorporated in 1889.
Source: Companies House register via UVAGATRON, September 2026
A rapidly growing sector with 252.9% of active companies formed since 2020.
The security dealing on own account sector has a <Link href="/glossary/company-dissolution">7.3% dissolution rate</Link>. The average active company in this sector is 8.5 years old. Geographic concentration: 30% in LONDON.
Companies in the security dealing on own account sector have been awarded 42 government contracts worth £529.0M in total.
There are 4,526 active companies classified under SIC code 64991 (Security dealing on own account) in the UK, out of 5,247 total registered.
SIC code 64991 stands for "Security dealing on own account". It belongs to Section K — Financial and insurance activities of the UK Standard Industrial Classification.
The largest concentrations are in LONDON (1,338), LEEDS (83), MANCHESTER (55).
The average active security dealing on own account company in the UK is 8.5 years old, with the oldest registration dating back to 1889.
Our database contains 27,958 data signals across 11 categories for active security dealing on own account companies. The largest category is Governance with 14,053 signals from 6 government sources.
5.9M companies, 50M+ signals from 53 government sources. Risk scores, director networks, entity analysis.