SIC code 84210 — Foreign affairs — is a specialist classification with 79 active companies in the UK. Despite its small size, this category represents an important part of the public administration and defence sector. It falls under Section O (Public administration and defence) of the UK SIC 2007 classification system, which is used by Companies House to categorise all registered businesses.
See the full industry analysis on the Foreign affairs industry page.
With a 79% survival rate, this sector shows strong business longevity. Only 4 of 100 companies registered under this code have dissolved, well below the UK average. Companies in this sector average 7.2 years old, reflecting a balanced mix of established businesses and newer market participants. Growth has been exceptional recently: 59% of all active companies were formed since 2020, marking this as one of the fastest-expanding classifications. The 2010s contributed another 30%, meaning the vast majority of businesses are relatively new. The highest concentration of foreign affairs companies is in LONDON, with 36 active firms (46% of the sector).
SIC code 84210 stands for "Foreign affairs" under the UK Standard Industrial Classification (SIC 2007) system. It belongs to Section O — Public administration and defence. Companies use this code when registering with Companies House to indicate their primary business activity. The code is required for annual confirmation statements and is used by HMRC, ONS, and other government bodies for statistical and regulatory purposes.
There are currently 79 active companies registered under SIC code 84210 in the UK, out of 100 total registrations. This gives a survival rate of 79%, meaning 21% of companies registered under this code have since dissolved. These figures are based on Companies House data and updated regularly.
The top locations for foreign affairs companies (SIC 84210) are: LONDON (36). Geographic concentration can reflect local economic conditions, industry clusters, or proximity to key markets and supply chains.
The sector is growing: 59% of currently active SIC 84210 companies were formed since 2020, and 30% during the 2010s. This sustained formation rate indicates ongoing demand for foreign affairs services in the UK.
Companies classified under SIC 84210 have an average age of 7.2 years. This suggests a balanced sector with both established players and newer entrants.
Related SIC codes within the same division include: 84120 (Regulation of health care, education, cultural and other social services, not incl. social security), 84250 (Fire service activities), 84110 (General public administration activities), 84240 (Public order and safety activities). Companies may use multiple SIC codes if they operate across several of these related activities. When registering with Companies House, businesses should select the code that best represents their primary activity.
You can search for companies with SIC code 84210 (Foreign affairs) using UVAGATRON's company explorer, which allows filtering by SIC code, location, and company status. Alternatively, Companies House offers a basic search on their website. Our platform adds risk intelligence, director networks, and signals from 50+ government databases to each company record.
Search, filter, and analyse 79 companies classified under this SIC code with AI-powered risk intelligence.
Data sourced from Companies House, HM Land Registry, FCA Register, and 50+ government databases. SIC classification follows the UK Standard Industrial Classification of Economic Activities 2007 (SIC 2007). Last updated: 2026-04-17.