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Professional Services · Harrow
Professional Services companies in Harrow
There are 4,936 professional services companies registered in Harrow, spread across 6 postcode areas. Here is what they do, where they cluster, and how to get the full list.
Open Harrow on the map → Export all 4,936 professional services companies on the live map
What they do — by trade
The trade mix across Harrow's 4,936 registered professional services companies, by primary SIC activity:
Where they cluster — by postcode area
Registered offices by outcode — the densest is HA1 with 2,731 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 professional services companies registered across Harrow's postcodes:
| Company | Area |
|---|---|
| Alexander Estate Management Ltd | HA1 |
| Jp Crm Consulting Ltd | HA3 |
| Grey Nexus Consulting Limited | HA2 |
| 4Am Consultants Ltd | HA1 |
| Evolentis Consulting Ltd | HA1 |
| S5 Design London Ltd | HA2 |
| V H Consultancy Services Ltd | HA3 |
| Tc Legal Consultants Ltd | HA1 |
| Simple Consulting Ltd | HA2 |
| John M Cuggy Consulting Limited | HA2 |
| Vpds Consultancy Ltd | HA1 |
| Verifin Accountants Limited | HA1 |
Export all 4,936 professional services 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 4,936 professional services companies with a registered office in Harrow on the Companies House register, of which 4,047 (82%) are currently active.
The HA1 postcode area has the highest concentration, with 2,731 of Harrow's professional services companies registered there.
555 new professional services companies were incorporated in Harrow during 2025, the most recent complete year on the register.