There are 252 active site preparation companies in London, forming a substantial local industry cluster. Companies in this sector range from small specialist firms to larger established businesses. The average site preparation company in London is 5.2 years old, indicating a sector that has seen significant recent growth alongside established players. Growth has been exceptional: 68% of active companies were formed since 2020, with a further 26% established during the 2010s. This makes it one of the fastest-growing sectors in London. Across the UK, other leading locations for site preparation include Birmingham (105 companies) and Kidderminster (52).
There are 252 active site preparation companies (SIC code 43120) currently registered in London, based on Companies House data. This includes businesses of all sizes, from sole traders to large enterprises, that have selected this SIC code as their primary activity.
The average site preparation company in London is 5.2 years old. This represents a balanced mix of established businesses and newer market entrants. Company ages are calculated from incorporation dates registered at Companies House.
Yes, the site preparation sector in London is experiencing significant growth. 68% of currently active companies were formed since 2020, and 26% during the 2010s. This sustained formation rate indicates strong demand.
Beyond London, the leading UK locations for site preparation companies are: Birmingham (105), Kidderminster (52). These concentrations often reflect regional economic specialisations, proximity to key markets, or established industry clusters.
Alongside site preparation, other significant industries in London include: Buying and selling of own real estate (54,323), Other letting and operating of own or leased real estate (53,308), Retail sale via mail order houses or via Internet (48,095), Management consultancy activities other than financial management (47,561). This diversity of business activity contributes to London's overall economic resilience.
You can search for site preparation companies in London using UVAGATRON's company explorer, which allows filtering by SIC code, location, company status, and risk profile. Each company record includes director information, filing history, and risk signals from 50+ government databases. Alternatively, you can search directly on Companies House.
Search, filter, and analyse 252 site preparation companies in London with AI-powered risk intelligence.
Data sourced from Companies House, HM Land Registry, FCA Register, and 50+ government databases. Last updated: 2026-06-06.