17,168 active companies in the UK are classified under architectural activities (SIC code 71111). This sector falls under Section M — Professional, scientific and technical activities — of the UK Standard Industrial Classification. The sector has a relatively low 7.3% dissolution rate — 17,168 of 19,585 registrations remain active. The sector is experiencing rapid growth, with 95.1% of active businesses incorporated since 2020 — indicating strong recent demand. 87% of companies were formed after 2010, marking this as a sector with predominantly recent entrants. The average company age in this sector is 11.0 years. 65 large companies, 7 medium-sized firms operate in this sector. London leads with 23% of companies in this sector. Companies in this sector hold 1,512 government contracts valued at £7.8B. The sector's longest-standing company was incorporated in 1885.
Source: Companies House register via UVAGATRON, October 2026
A rapidly growing sector with 95.1% of active companies formed since 2020.
The architectural activities sector has a <Link href="/glossary/company-dissolution">7.3% dissolution rate</Link>. The average active company in this sector is 11 years old. Geographic concentration: 23% in LONDON.
Companies in the architectural activities sector have been awarded 1,512 government contracts worth £7841.1M in total.
There are 17,168 active companies classified under SIC code 71111 (Architectural activities) in the UK, out of 19,585 total registered.
SIC code 71111 stands for "Architectural activities". It belongs to Section M — Professional, scientific and technical activities of the UK Standard Industrial Classification.
The largest concentrations are in LONDON (4,033), MANCHESTER (236), GLASGOW (230).
The average active architectural activities company in the UK is 11 years old, with the oldest registration dating back to 1885.
Our database contains 154,099 data signals across 11 categories for active architectural activities companies. The largest category is Governance with 72,812 signals from 5 government sources.
5.9M companies, 50M+ signals from 53 government sources. Risk scores, director networks, entity analysis.