25,799 active companies in the UK are classified under activities of head offices (SIC code 70100). This sector falls under Section M — Professional, scientific and technical activities — of the UK Standard Industrial Classification. The sector has a relatively low 6.3% dissolution rate — 25,799 of 29,096 registrations remain active. Recent formation activity is notable, with 53.7% of current companies established in the 2020s. The average company in this sector is 20.0 years old, suggesting established and stable operators. 3,812 large companies, 120 medium-sized firms operate in this sector. London leads with 23% of companies in this sector. Companies in this sector hold 2,046 government contracts valued at £28.8B. The sector's longest-standing company was incorporated in 1856.
Source: Companies House register via UVAGATRON, October 2026
A rapidly growing sector with 53.7% of active companies formed since 2020.
The activities of head offices sector has a <Link href="/glossary/company-dissolution">6.3% dissolution rate</Link>. The average active company in this sector is 20 years old. Geographic concentration: 23% in LONDON.
Companies in the activities of head offices sector have been awarded 2,046 government contracts worth £28771.8M in total.
There are 25,799 active companies classified under SIC code 70100 (Activities of head offices) in the UK, out of 29,096 total registered.
SIC code 70100 stands for "Activities of head offices". It belongs to Section M — Professional, scientific and technical activities of the UK Standard Industrial Classification.
The largest concentrations are in LONDON (6,054), MANCHESTER (411), BIRMINGHAM (396).
The average active activities of head offices company in the UK is 20 years old, with the oldest registration dating back to 1856.
Our database contains 298,650 data signals across 12 categories for active activities of head offices companies. The largest category is Governance with 118,289 signals from 6 government sources.
5.9M companies, 50M+ signals from 53 government sources. Risk scores, director networks, entity analysis.