35,920 active companies in the UK are classified under other building completion and finishing (SIC code 43390). This sector falls under Section F — Construction — of the UK Standard Industrial Classification. The sector has a relatively low 0.3% dissolution rate — 35,920 of 42,091 registrations remain active. The sector is experiencing rapid growth, with 115.6% of active businesses incorporated since 2020 — indicating strong recent demand. 98% 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. 92 large companies, 23 medium-sized firms operate in this sector. London leads with 13% of companies in this sector. Companies in this sector hold 1,547 government contracts valued at £11.6B. The sector's longest-standing company was incorporated in 1905.
Source: Companies House register via UVAGATRON, June 2026
A rapidly growing sector with 115.6% of active companies formed since 2020.
The other building completion and finishing sector has a <Link href="/glossary/company-dissolution">0.3% dissolution rate</Link>. The average active company in this sector is 8.5 years old. Geographic concentration: 13% in LONDON.
Companies in the other building completion and finishing sector have been awarded 1,547 government contracts worth £11648.5M in total.
There are 35,920 active companies classified under SIC code 43390 (Other building completion and finishing) in the UK, out of 42,091 total registered.
SIC code 43390 stands for "Other building completion and finishing". It belongs to Section F — Construction of the UK Standard Industrial Classification.
The largest concentrations are in LONDON (4,681), MANCHESTER (526), BIRMINGHAM (477).
The average active other building completion and finishing company in the UK is 8.5 years old, with the oldest registration dating back to 1905.
Our database contains 214,535 data signals across 11 categories for active other building completion and finishing companies. The largest category is Governance with 113,916 signals from 6 government sources.
5.9M companies, 50M+ signals from 53 government sources. Risk scores, director networks, entity analysis.