| 3D Technical Design Limited | Milton Keynes | Skilled Worker | Civil Engineering | View |
| 3RD RAIL RESOURCE LTD | London | Skilled Worker | Civil Engineering | View |
| 4-Site Power & Fibre Networks Ltd | Gosport | Skilled Worker | Civil Engineering | View |
| Abeko Dredging and Marine Contractors Ltd. | Conwy | Global Business Mobility: Senior or Specialist Worker | Civil Engineering | View |
| Abeko Dredging and Marine Contractors Ltd. | Conwy | Skilled Worker | Civil Engineering | View |
| ABM Tiling Ltd | Cousldon | Skilled Worker | Civil Engineering | View |
| Acciona Industrial UK Ltd | Aberdeen | Skilled Worker | Civil Engineering | View |
| Acciona Industrial UK Ltd | Aberdeen | Global Business Mobility: Senior or Specialist Worker | Civil Engineering | View |
| AEH UK Limited | Isleworth | Skilled Worker | Civil Engineering | View |
| AG Technologies LTD | London | Skilled Worker | Civil Engineering | View |
| Aggregate Industries UK Ltd | Markfield | Skilled Worker | Civil Engineering | View |
| Aggregate Industries UK Ltd | Markfield | Global Business Mobility: Senior or Specialist Worker | Civil Engineering | View |
| Ahil Real Estate & Tourism Investments Co. | Manchester | Skilled Worker | Civil Engineering | View |
| AJP MATOS PINHEIRO LTD | London | Skilled Worker | Civil Engineering | View |
| ALFA CONSTRUCTION BIRMINGHAM LIMITED | Birmingham | Skilled Worker | Civil Engineering | View |
| ALINED CONSTRUCTION LTD | Lancs | Skilled Worker | Civil Engineering | View |
| ALLEN CONSTRUCTION AND SUPPLIES LTD | BIRMINGHAM | Skilled Worker | Civil Engineering | View |
| Alstom Transport UK Ltd | Birmingham | Skilled Worker | Civil Engineering | View |
| Alstom Transport UK Ltd | Birmingham | Global Business Mobility: Senior or Specialist Worker | Civil Engineering | View |
| ALSTRUCT LTD | London | Skilled Worker | Civil Engineering | View |
| Amalgamated Construction Ltd | Barnsley | Skilled Worker | Civil Engineering | View |
| Ameresco Limited | Guildford | Skilled Worker | Civil Engineering | View |
| Ampergia Limited | Milton Keynes | Skilled Worker | Civil Engineering | View |
| Andun Engineering Consultants Ltd | Nottingham | Skilled Worker | Civil Engineering | View |
| ANQ DESIGN & BUILD LTD | London | Skilled Worker | Civil Engineering | View |