21,816 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 0.1% dissolution rate — 21,816 of 23,849 registrations remain active. Recent formation activity is notable, with 65% of current companies established in the 2020s. 99% 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. 121 large companies, 10 medium-sized firms operate in this sector. London leads with 14% of companies in this sector. Companies in this sector hold 4,746 government contracts valued at £8.3B.
Source: Companies House register via BORSCH.AI, April 2026
A rapidly growing sector with 65% of active companies formed since 2020.
The engineering related scientific and technical consulting activities sector has a <Link href="/glossary/company-dissolution">0.1% 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 4,746 government contracts worth £8318.9M in total.
There are 21,816 active companies classified under SIC code 71122 (Engineering related scientific and technical consulting activities) in the UK, out of 23,849 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 112,988 data signals across 12 categories for active engineering related scientific and technical consulting activities companies. The largest category is Governance with 66,795 signals from 6 government sources.
5.9M companies, 50M+ signals from 53 government sources. Risk scores, director networks, entity analysis.