| 4 Seasons Grocery Ltd | Cardiff | Skilled Worker | Wholesale & Retail | View |
| 404 ENTERTAINMENT LIMITED | Cardiff | Skilled Worker | Food & Accomodation | View |
| 4HANDS SERVICES LIMITED | Cardiff | Skilled Worker | Others | View |
| A & G Mobile (Repairs) Ltd | Cardiff | Skilled Worker | Others | View |
| A McLay and Company Limited | Cardiff | Skilled Worker | Administrative and support | View |
| Aaron Wise Limited | Cardiff | Skilled Worker | Food & Accomodation | View |
| Abdul's Poultry Limited | Cardiff | Skilled Worker | Others | View |
| ABSOLUTELY NO NONSENSE ADMIN LTD | Cardiff | Skilled Worker | Finance,Insurance | View |
| ActiveQuote Ltd | Cardiff | Skilled Worker | Computer Programming | View |
| aegyptus ltd t/a Kaya | Cardiff | Skilled Worker | Others | View |
| Aero Engine Services Ltd. | Cardiff | Skilled Worker | Others | View |
| AFRIKANA | Cardiff | Skilled Worker | Management | View |
| AIMEE EVANS ELECTRICAL LIMITED | Cardiff | Skilled Worker | Construction | View |
| Ainon Baptist Church | Cardiff | Charity Worker | Others | View |
| Alert Logic UK LTD | Cardiff | Skilled Worker | Computer Programming | View |
| Alert Logic UK LTD | Cardiff | Global Business Mobility: Senior or Specialist Worker | Computer Programming | View |
| AL-IKHLAS CULTURE AND EDUCATION CENTRE | Cardiff | Charity Worker | Others | View |
| All Nations Church | Cardiff | Religious Worker | Others | View |
| All Nations Church | Cardiff | Charity Worker | Others | View |
| Allyace Ltd | Cardiff | Skilled Worker | Others | View |
| Alpha Foodservice Ltd | Cardiff | Skilled Worker | Administrative and support | View |
| Alyana UK Ltd | Cardiff | Skilled Worker | Others | View |
| AMARI HEALTHCARE LTD | Cardiff | Skilled Worker | Recruitment | View |
| AMICO HOSPITALITY LIMITED | Cardiff | Skilled Worker | Food & Accomodation | View |
| AMM Enterprise UK Ltd | Cardiff | Skilled Worker | Computer Programming | View |