| 100 Percent Cornwall Ltd | Truro | Skilled Worker | Management | View |
| 1000heads Ltd | London | Skilled Worker | Management | View |
| 11K Consulting Ltd | London | Skilled Worker | Management | View |
| 1266 Music Group | Glasgow | Creative Worker | Management | View |
| 14 Septembre London Limited | London | Skilled Worker | Management | View |
| 1508 London Limited | London | Skilled Worker | Management | View |
| 18 NOVEMBER LTD | Ilford | Skilled Worker | Management | View |
| 1ovmany ltd | London | Skilled Worker | Management | View |
| 1ST CHOICE CONSULTANCY LTD | Birmingham | Skilled Worker | Management | View |
| 1st Class Care Ltd | Livingston | Skilled Worker | Management | View |
| 1ST VISA INTERNATIONAL LIMITED | London | Skilled Worker | Management | View |
| 1SW EVENTS LONDON LTD | ALFREDS WAY | Skilled Worker | Management | View |
| 2 Plan Project Management Limited | Woking | Skilled Worker | Management | View |
| 2-DTech Ltd. | Manchester | Skilled Worker | Management | View |
| 2M Automation Ltd | Oldham | Skilled Worker | Management | View |
| 2R Capital Investment Management Limited | London | Skilled Worker | Management | View |
| 360 Energy (N.I) Limited | Craigavon | Skilled Worker | Management | View |
| 36T Hub Intl Limited | West Drayton | Skilled Worker | Management | View |
| 3Core2 Certification Ltd | Birchwood | Skilled Worker | Management | View |
| 3CS Holdings PLC | London | Skilled Worker | Management | View |
| 3Vision Ltd | Bath | Skilled Worker | Management | View |
| 4 GLOBAL CONSULTING LIMITED | Chiswick | Skilled Worker | Management | View |
| 4C Associates Ltd | London | Skilled Worker | Management | View |
| 4C EUROPE UK LTD | London | Global Business Mobility: Senior or Specialist Worker | Management | View |
| 51tocarbonzero Limited | Twemlow | Skilled Worker | Management | View |