Construction Of Bridges And Tunnels

Details for Construction Of Bridges And Tunnels

The wider SIC framework has been part of UK business statistics since the 1940s, and Companies House previously used the older 4-digit SIC 2003 codes before moving during 2008–2009 to the present 5-digit SIC 2007 structure, which is aligned with European NACE Rev. 2 standards. This classification covers companies whose practical work is best described by the official label construction of bridges and tunnels.

In plain English, it is likely to include contractors, trades, builders, installers, maintenance firms, developers and specialist construction service providers, with day-to-day activity often involving site work, project delivery, materials, labour, repairs, installations and compliance with building requirements. As of June 2026, 42130 ranks 509th out of 731 five-digit SIC codes, with 650 UK companies registered under it, making it a relatively specialised classification with a narrower company base. Companies are not limited to a single activity description: Companies House allows up to four SIC codes, so mixed businesses can show this work alongside complementary trading, advisory, production or support activities.

The short official label is deliberately compact, so the real-world businesses behind it may describe themselves using broader phrases such as construction of bridges and tunnels services, specialist construction of bridges and tunnels providers, operators in related supply chains, or companies supporting customers who need this form of commercial activity. For search and data work, the wording should be understood broadly: companies may use different everyday terms for the same activity, including trade names, sector jargon, abbreviated service descriptions and customer-facing language. The code therefore works best as a structured indicator of economic activity rather than a complete profile of the company, because many organisations evolve, add services or reorganise after incorporation.

Taken together with location, age, filing history and other SIC selections, this code can help build a more rounded view of the market in which the company appears to operate. In practical terms, the code helps separate this kind of work from neighbouring sectors that may look similar in search results but involve different trading models, assets, customers or regulatory expectations.

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