Middlesex has 112 active companies in development of building projects. With an average company age of 27.0 years, this is an established sector in Middlesex. 21% of firms predate 1990, reflecting deep-rooted sector heritage. Other leading locations for this sector include Bristol (1,242) and Leeds (1,014).
There are 112 active development of building projects companies (SIC 41100) currently registered in Middlesex, according to Companies House data.
The average development of building projects company in Middlesex is 27.0 years old, based on incorporation dates recorded at Companies House.
Other leading locations for development of building projects include: Bristol (1,242), Leeds (1,014), Liverpool (1,012), Nottingham (976), Harrow (753).
Search, filter, and analyse 112 development of building projects companies in Middlesex with AI-powered risk intelligence.
Data sourced from Companies House, HM Land Registry, FCA Register, and 50+ government databases. Last updated: 2026-04-05.