There are 6,668 active companies in the combined facilities support activities sector in the UK (SIC code 81100). This sector falls under Section N — Administrative and support service activities — of the UK Standard Industrial Classification. The sector has a relatively low 8.8% dissolution rate — 6,668 of 8,034 registrations remain active. The sector is experiencing rapid growth, with 122.4% of active businesses incorporated since 2020 — indicating strong recent demand. 89% of companies were formed after 2010, marking this as a sector with predominantly recent entrants. The average company age in this sector is 12.5 years. 123 large companies, 4 medium-sized firms operate in this sector. London leads with 14% of companies in this sector. Companies in this sector hold 830 government contracts valued at £18.8B.
Source: Companies House register via UVAGATRON, October 2026
A rapidly growing sector with 122.4% of active companies formed since 2020.
The combined facilities support activities sector has a <Link href="/glossary/company-dissolution">8.8% dissolution rate</Link>. The average active company in this sector is 12.5 years old. Geographic concentration: 14% in LONDON.
Companies in the combined facilities support activities sector have been awarded 830 government contracts worth £18829.9M in total.
There are 6,668 active companies classified under SIC code 81100 (Combined facilities support activities) in the UK, out of 8,034 total registered.
SIC code 81100 stands for "Combined facilities support activities". It belongs to Section N — Administrative and support service activities of the UK Standard Industrial Classification.
The largest concentrations are in LONDON (962), MANCHESTER (119), BIRMINGHAM (118).
The average active combined facilities support activities company in the UK is 12.5 years old, with the oldest registration dating back to 1933.
Our database contains 61,787 data signals across 11 categories for active combined facilities support activities companies. The largest category is Governance with 28,994 signals from 6 government sources.
5.9M companies, 50M+ signals from 53 government sources. Risk scores, director networks, entity analysis.