13 active UK companies are classified under architectural and engineering activities and related technical consultancy (SIC code 7420), a specialised sector. This sector falls under Section K — Real estate, renting and business activities — of the UK Standard Industrial Classification. The sector has a relatively low 3% dissolution rate — 13 of 132 registrations remain active. 792% of active companies were formed before 2000, reflecting the sector's deep roots in the UK economy. The average company in this sector is 39.7 years old, suggesting established and stable operators. The sector's longest-standing company was incorporated in 1898.
Source: Companies House register via UVAGATRON, June 2026
A mature, established sector with companies averaging 39.7 years.
The architectural and engineering activities and related technical consultancy sector has a <Link href="/glossary/company-dissolution">3% dissolution rate</Link>. The average active company in this sector is 39.7 years old.
There are 13 active companies classified under SIC code 7420 (Architectural and engineering activities and related technical consultancy) in the UK, out of 132 total registered.
SIC code 7420 stands for "Architectural and engineering activities and related technical consultancy". It belongs to Section K — Real estate, renting and business activities of the UK Standard Industrial Classification.
Company locations vary across the UK.
The average active architectural and engineering activities and related technical consultancy company in the UK is 39.7 years old, with the oldest registration dating back to 1898.
Our database contains 36 data signals across 4 categories for active architectural and engineering activities and related technical consultancy companies. The largest category is Governance with 15 signals from 1 government sources.
5.9M companies, 50M+ signals from 53 government sources. Risk scores, director networks, entity analysis.