27,180 active companies in the UK are classified under other engineering activities (SIC code 71129). This sector falls under Section M — Professional, scientific and technical activities — of the UK Standard Industrial Classification. The sector has a relatively low 0.1% dissolution rate — 27,180 of 30,997 registrations remain active. The sector is experiencing rapid growth, with 143.8% of active businesses incorporated since 2020 — indicating strong recent demand. 99% of companies were formed after 2010, marking this as a sector with predominantly recent entrants. The average company age in this sector is 7.9 years. 175 large companies, 22 medium-sized firms operate in this sector. London leads with 10% of companies in this sector. Companies in this sector hold 2,825 government contracts valued at £12.3B. The sector's longest-standing company was incorporated in 1894.
Source: Companies House register via UVAGATRON, April 2026
A rapidly growing sector with 143.8% of active companies formed since 2020.
The other engineering activities sector has a <Link href="/glossary/company-dissolution">0.1% dissolution rate</Link>. The average active company in this sector is 7.9 years old. Geographic concentration: 10% in LONDON.
Companies in the other engineering activities sector have been awarded 2,825 government contracts worth £12304.6M in total.
There are 27,180 active companies classified under SIC code 71129 (Other engineering activities) in the UK, out of 30,997 total registered.
SIC code 71129 stands for "Other engineering activities". It belongs to Section M — Professional, scientific and technical activities of the UK Standard Industrial Classification.
The largest concentrations are in LONDON (2,713), WARRINGTON (572), GLASGOW (430).
The average active other engineering activities company in the UK is 7.9 years old, with the oldest registration dating back to 1894.
Our database contains 155,841 data signals across 12 categories for active other engineering activities companies. The largest category is Governance with 83,380 signals from 6 government sources.
5.9M companies, 50M+ signals from 53 government sources. Risk scores, director networks, entity analysis.