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Professional Services · Harrow
Professional Services companies in Harrow
There are 4,869 professional services companies registered in Harrow, spread across 7 postcode areas. Here is what they do, where they cluster, and how to get the full list.
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What they do — by trade
The trade mix across Harrow's 4,869 registered professional services companies, by primary SIC activity:
Where they cluster — by postcode area
Registered offices by outcode — the densest is HA1 with 2,694 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 |
|---|---|
| Segar Consulting Limited | HA2 |
| Cfp Consultancy Limited | HA2 |
| Strive Advisory & Communications Ltd | HA1 |
| Palan Consulting Ltd | HA1 |
| Natamatic Design Ltd | HA3 |
| Lindsay Law Limited | HA1 |
| Bsepartners2026 Ltd | HA1 |
| Ekm Consulting Group Limited | HA2 |
| Crestview Accounting Uk Ltd | HA2 |
| Pag Partners Ltd | HA2 |
| Sekoya Creative Partners Ltd | HA2 |
| Dns Corporate Advisory Ltd | HA3 |
Export all 4,869 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 4,869 professional services companies with a registered office in Harrow on the Companies House register, of which 4,077 (84%) are currently active.
The HA1 postcode area has the highest concentration, with 2,694 of Harrow's professional services companies registered there.
552 new professional services companies were incorporated in Harrow during 2025, the most recent complete year on the register.