London is one of the UK's largest centres for development of building projects, with 20,318 active companies registered in this sector. This concentration makes it a major hub for development of building projects businesses at the national level. Companies in this sector average 9.9 years old, reflecting an established local market with a healthy mix of mature businesses and newer entrants. Growth has been exceptional: 51% of active companies were formed since 2020, with a further 30% established during the 2010s. This makes it one of the fastest-growing sectors in London. Across the UK, other leading locations for development of building projects include Manchester (1,758 companies) and Birmingham (1,373). Notable development of building projects companies based in London include NETWORK RAIL INFRASTRUCTURE LIMITED, MACE LIMITED, BOUYGUES (U.K.) LIMITED.
There are 20,318 active development of building projects companies (SIC code 41100) 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 development of building projects company in London is 9.9 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 development of building projects sector in London is experiencing significant growth. 51% of currently active companies were formed since 2020, and 30% during the 2010s. This sustained formation rate indicates strong demand.
Beyond London, the leading UK locations for development of building projects companies are: Manchester (1,758), Birmingham (1,373), Bristol (1,242), Glasgow (1,019), Leeds (1,014). These concentrations often reflect regional economic specialisations, proximity to key markets, or established industry clusters.
Alongside development of building projects, 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 development of building projects 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 20,318 development of building projects companies in London with AI-powered risk intelligence.
Data sourced from Companies House, HM Land Registry, FCA Register, and 50+ government databases. Last updated: 2026-04-17.