109,610 active UK companies operate in development of building projects (SIC code 41100), making it one of the largest business sectors in the United Kingdom. This sector falls under Section F — Construction — of the UK Standard Industrial Classification. The sector has a relatively low 0.2% dissolution rate — 109,610 of 123,928 registrations remain active. The sector is experiencing rapid growth, with 134.5% of active businesses incorporated since 2020 — indicating strong recent demand. 93% of companies were formed after 2010, marking this as a sector with predominantly recent entrants. The average company age in this sector is 10.1 years. 1,654 large companies, 74 medium-sized firms operate in this sector. London leads with 19% of companies in this sector. Companies in this sector hold 2,971 government contracts valued at £24.8B. The sector's longest-standing company was incorporated in 1856.
Source: Companies House register via UVAGATRON, June 2026
A rapidly growing sector with 134.5% of active companies formed since 2020.
The development of building projects sector has a <Link href="/glossary/company-dissolution">0.2% dissolution rate</Link>. The average active company in this sector is 10.1 years old. Geographic concentration: 19% in LONDON.
Companies in the development of building projects sector have been awarded 2,971 government contracts worth £24808.2M in total.
There are 109,610 active companies classified under SIC code 41100 (Development of building projects) in the UK, out of 123,928 total registered.
SIC code 41100 stands for "Development of building projects". It belongs to Section F — Construction of the UK Standard Industrial Classification.
The largest concentrations are in LONDON (20,318), MANCHESTER (1,758), BIRMINGHAM (1,373).
The average active development of building projects company in the UK is 10.1 years old, with the oldest registration dating back to 1856.
Our database contains 767,623 data signals across 12 categories for active development of building projects companies. The largest category is Governance with 355,183 signals from 6 government sources.
5.9M companies, 50M+ signals from 53 government sources. Risk scores, director networks, entity analysis.