| 1177 Retail Limited | Portsmouth | Skilled Worker | Others | View |
| 7711 Retail Ltd | Portsmouth | Skilled Worker | Wholesale & Retail | View |
| A1 AUTOMAC LTD | Portsmouth | Skilled Worker | Others | View |
| A360 LTD with trading name A360 group healthcare | Portsmouth | Skilled Worker | Others | View |
| ABHI STORES LIMITED | PORTSMOUTH | Skilled Worker | Wholesale & Retail | View |
| AFRO CART LIMITED T/A? Afro Cart Foods | Portsmouth | Skilled Worker | Others | View |
| Airbus Defence and Space Limited | Portsmouth | Skilled Worker | Manufacturing | View |
| Airbus Defence and Space Limited | Portsmouth | Global Business Mobility: Senior or Specialist Worker | N/A | View |
| Airbus Defence and Space Limited | Portsmouth | Global Business Mobility: Graduate Trainee | N/A | View |
| Airbus Defence and Space Limited | Portsmouth | Global Business Mobility: Service Supplier | N/A | View |
| Alexandra Rose Residential Care Home | Portsmouth | Skilled Worker | Others | View |
| Allo Chat Ltd | Portsmouth | Skilled Worker | Others | View |
| ANDAIR LIMITED | Portsmouth | Skilled Worker | Manufacturing | View |
| ANGEL'S CARE SUPPORT LTD | Portsmouth | Skilled Worker | Others | View |
| Anglia Scholars Educational Consultancy Ltd | Portsmouth | Skilled Worker | Education | View |
| ANNAMAR UK LIMITED | PORTSMOUTH | Skilled Worker | Wholesale & Retail | View |
| Annata Limited | Portsmouth | Global Business Mobility: Senior or Specialist Worker | Computer Programming | View |
| ANSCHUETZ UK LTD | Portsmouth | Skilled Worker | Others | View |
| Antara Ltd T/A Indian Cottage | Portsmouth | Skilled Worker | Others | View |
| Approve Services Limited | Portsmouth | Skilled Worker | Administrative and support | View |
| ASR Retail Ltd TA All Saints Service Station | Portsmouth | Skilled Worker | Others | View |
| Aster Care Ltd | Portsmouth | Skilled Worker | Others | View |
| Athena Racing Limited | Portsmouth | Skilled Worker | Arts ,Entertainment | View |
| Athena Racing Limited | Portsmouth | International Sportsperson | Arts ,Entertainment | View |
| Avenue Spice Limited | Portsmouth | Skilled Worker | Others | View |