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Construction · Harrow
Construction companies in Harrow
There are 4,036 construction companies registered in Harrow, spread across 8 postcode areas. Here is what they do, where they cluster, and how to get the full list.
Open Harrow on the map → Export all 4,036 construction companies on the live map
What they do — by trade
The trade mix across Harrow's 4,036 registered construction companies, by primary SIC activity:
Where they cluster — by postcode area
Registered offices by outcode — the densest is HA1 with 1,726 firms:
When they were founded
Company formations in the sector, by year (full calendar years):
A sample of the companies
A handful of the active construction companies registered across Harrow's postcodes:
| Company | Area |
|---|---|
| Cabos Electrical Limited | HA1 |
| Meral Decoration & Maintenance Ltd | HA3 |
| Swan Roofing Services Limited | HA1 |
| Pmd Construct Ltd | HA2 |
| Alves Property Solutions Ltd | HA3 |
| Jc Electricity Ltd | HA3 |
| Building And Fire Compliance Recruitment (Bfcr) Ltd | HA2 |
| Unique Craftsman Construction Ltd | HA2 |
| A2Z Contracts Ltd | HA2 |
| Fortisbuild Projects Ltd | HA3 |
| G&G Property Partners Ltd | HA3 |
| Denis & Son Decorating Ltd | HA2 |
Export all 4,036 construction companies in Harrow.
Each row includes the company name, number, status, incorporation date, full registered
address, postcode, SIC codes and a direct link to its Companies House record.
Quick answers
There are 4,036 construction companies with a registered office in Harrow on the Companies House register, of which 3,054 (76%) are currently active.
The HA1 postcode area has the highest concentration, with 1,726 of Harrow's construction companies registered there.
427 new construction companies were incorporated in Harrow during 2025, the most recent complete year on the register.