Private Security Activities

Details for Private Security Activities

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 private security activities.

In plain English, it is likely to include specialist operators, service providers, trading companies, administrative businesses and organisations whose work fits this defined economic activity, with day-to-day activity often involving client delivery, supplier relationships, operational processes, contracts, staff time, equipment and sector-specific administration. As of June 2026, 80100 ranks 89th out of 731 five-digit SIC codes, with 19,110 UK companies registered under it, making it a substantial sector with a strong presence among incorporated businesses. 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 private security activities services, specialist private security activities 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.

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.