Other Specialised Construction Activities N E C

Recently Formed Companies Breakdown By Months

Details for Other Specialised Construction Activities N E C

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 other specialised construction activities n.e.c. 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, 43999 ranks 21st out of 731 five-digit SIC codes, with 78,097 UK companies registered under it, making it a very widely selected company activity code. Where this is only part of a wider business model, the ability to file up to four SIC codes lets UK companies describe several genuine activities rather than forcing everything into one broad category. The short official label is deliberately compact, so the real-world businesses behind it may describe themselves using broader phrases such as other specialised construction activities n.e.c.

services, specialist other specialised construction activities n.e.c. providers, operators in related supply chains, or companies supporting customers who need this form of commercial activity. 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. It is also useful for analysts, lenders, marketers and public bodies because it gives a consistent way to group companies by declared activity, even though the description is not a licence, approval or guarantee of what a company actually does day to day. A company using this code might be newly incorporated, dormant, small and owner-managed, or part of a larger group, so the SIC entry should normally be read alongside accounts, confirmation statements, websites and other commercial signals.

Our Recently Formed marketing database is updated daily on the previous days company activity at Companies House to allow you to find new companies quickly and easily (whereas this categorised page of data counts is updated monthly). We provide the widest choice of filters available for Recently Formed Companies. And its not just Newly Formed companies - We have over 4 million companies - from new starters to companies over 100 years old, able to be filtered geographically or by category, but if you are looking to get in touch with companies within this category, the below table shows how many companies were added to the category, month by month over the last couple of years.

Company Formations - SIC 43999 (Other specialised construction activities n.e.c.) - Last 24 Months

Month Companies Formed
February 2026 352
January 2026 926
December 2025 515
November 2025 575
October 2025 755
September 2025 744
August 2025 642
July 2025 720
June 2025 747
May 2025 764
April 2025 744
March 2025 786
February 2025 784
January 2025 732
December 2024 446
November 2024 519
October 2024 755
September 2024 700
August 2024 709
July 2024 730
June 2024 654
May 2024 690
April 2024 830
March 2024 757

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