21,990 active companies in the UK are classified under engineering related scientific and technical consulting activities (SIC code 71122). This sector falls under Section M — Professional, scientific and technical activities — of the UK Standard Industrial Classification. The sector has a relatively low 10.7% dissolution rate — 21,990 of 26,225 registrations remain active. The sector is experiencing rapid growth, with 216.3% of active businesses incorporated since 2020 — indicating strong recent demand. 108% of companies were formed after 2010, marking this as a sector with predominantly recent entrants. The average company age in this sector is 6.4 years. 119 large companies, 12 medium-sized firms operate in this sector. London leads with 14% of companies in this sector. Companies in this sector hold 5,144 government contracts valued at £10.0B.
Source: Companies House register via UVAGATRON, October 2026
A rapidly growing sector with 216.3% of active companies formed since 2020.
The engineering related scientific and technical consulting activities sector has a <Link href="/glossary/company-dissolution">10.7% dissolution rate</Link>. The average active company in this sector is 6.4 years old. Geographic concentration: 14% in LONDON.
Companies in the engineering related scientific and technical consulting activities sector have been awarded 5,144 government contracts worth £10001.5M in total.
There are 21,990 active companies classified under SIC code 71122 (Engineering related scientific and technical consulting activities) in the UK, out of 26,225 total registered.
SIC code 71122 stands for "Engineering related scientific and technical consulting activities". It belongs to Section M — Professional, scientific and technical activities of the UK Standard Industrial Classification.
The largest concentrations are in LONDON (3,162), GLASGOW (422), BRISTOL (372).
The average active engineering related scientific and technical consulting activities company in the UK is 6.4 years old, with the oldest registration dating back to 1920.
Our database contains 178,763 data signals across 12 categories for active engineering related scientific and technical consulting activities companies. The largest category is Governance with 91,802 signals from 6 government sources.
5.9M companies, 50M+ signals from 53 government sources. Risk scores, director networks, entity analysis.