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Professional Services · Winchester
Professional Services companies in Winchester
There are 1,558 professional services companies registered in Winchester, spread across 5 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 Winchester's 1,558 registered professional services companies, by primary SIC activity:
Where they cluster — by postcode area
Registered offices by outcode — the densest is SO23 with 764 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 Winchester's postcodes:
| Company | Area |
|---|---|
| Mayan Accountants Limited | SO21 |
| Petrie Advisory Limited | SO21 |
| Gadigal Advisory Ltd | SO21 |
| Lth Structural Design Ltd | SO22 |
| Dakota Law Limited | SO23 |
| Resilience Advisory Partners Ltd | SO23 |
| Northway Advisory Ltd | SO22 |
| Northbound Partners Ltd | SO22 |
| Keel Partnerships Ltd | SO22 |
| Kat Priest Consulting Limited | SO21 |
| Northern South Engineering Ltd | SO23 |
| Palisade Protective Security Advisory Ltd | SO23 |
Export all 1,558 professional services companies in Winchester.
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 1,558 professional services companies with a registered office in Winchester on the Companies House register, of which 1,326 (85%) are currently active.
The SO23 postcode area has the highest concentration, with 764 of Winchester's professional services companies registered there.
127 new professional services companies were incorporated in Winchester during 2025, the most recent complete year on the register.