| 1 | Swift Employment Solutions Limited | Professional, scientific and technical | 70.2% |
| 2 | Ryanair ltd | Transport and storage | 63.8% |
| 3 | Bishop Chadwick Catholic Education Trust | Public sector and not classified | 60.0% |
| 4 | The Diocese Of Norwich Education And Academies Trust | Education | 59.7% |
| 5 | Bridge Academy Trust | Public sector and not classified | 59.6% |
| 6 | Plymouth Cast | Education | 59.6% |
| 7 | Scholars' Education Trust | Education | 59.1% |
| 8 | Osborne Co-Operative Academy Trust | Education | 57.7% |
| 9 | E.surv Limited | Finance and insurance | 55.9% |
| 10 | Hull Collaborative Academy Trust | Education | 55.9% |
| 11 | The Learning Partnership Academies Trust | Education | 55.4% |
| 12 | Ipswich Town Football Club Company Limited | Arts and recreation | 54.5% |
| 13 | The Education Alliance | Education | 53.7% |
| 14 | John Taylor Mat | Education | 53.2% |
| 15 | Athena Learning Trust | Education | 52.5% |
| 16 | Clarins (U.K.) Limited | Wholesale and retail | 52.4% |
| 17 | Kgb Cleaning South West Limited | Administrative and support services | 52.2% |
| 18 | Bam Construct & Ventures UK Limited | Construction | 52.1% |
| 19 | King's Group Academies | Education | 52.0% |
| 20 | Inspiring Vet Care Limited | Professional, scientific and technical | 51.7% |
| 21 | Cambrian Learning Trust | Education | 50.6% |
| 22 | Resource Solutions Limited | Administrative and support services | 49.7% |
| 23 | Truro & Penwith Academy Trust | Education | 49.4% |
| 24 | Delta Academies Trust | Education | 49.3% |
| 25 | Kent Catholic Schools' Partnership | Education | 49.0% |
| 26 | Allegis Group Limited | Information and communication | 48.9% |
| 27 | Weydon Multi Academy Trust | Education | 48.9% |
| 28 | Our Health Partnership | Health and social work | 48.8% |
| 29 | Flying High Trust | Education | 48.7% |
| 30 | Nicholas Postgate Catholic Academy Trust | Education | 48.6% |
| 31 | Swale Academies Trust | Education | 48.4% |
| 32 | Booking.com Transport Limited | Administrative and support services | 48.0% |
| 33 | The Bath And Wells Diocesan Academies Trust | Education | 48.0% |
| 34 | The Consortium Academy Trust | Public sector and not classified | 48.0% |
| 35 | Wizz Air UK Limited | Transport and storage | 47.9% |
| 36 | Wickersley Partnership Trust | Education | 47.8% |
| 37 | Stour Vale Academy Trust | Education | 47.7% |
| 38 | Nexus Education Schools Trust | Education | 47.6% |
| 39 | Wessex Learning Trust | Education | 47.6% |
| 40 | Marches Academy Trust | Education | 47.0% |
| 41 | Excalibur Academies Trust | Education | 46.5% |
| 42 | St Thomas Aquinas Catholic Multi Academy Trust | Education | 46.5% |
| 43 | Community Academies Trust | Education | 46.3% |
| 44 | Modality Partnership | Public sector and not classified | 46.1% |
| 45 | Bohunt Education Trust | Education | 46.0% |
| 46 | Heart Of Mercia | Education | 46.0% |
| 47 | Emmanuel Schools Foundation | Education | 45.6% |
| 48 | EQUA Mead Learning Trust | Public sector and not classified | 45.6% |
| 49 | University Of Chichester (Multi) Academy Trust | Education | 45.6% |
| 50 | Vetpartners Practices Limited | Professional, scientific and technical | 45.6% |
| 51 | Greenwood Academies Trust | Education | 45.5% |
| 52 | Linnaeus Group Limited | Professional, scientific and technical | 45.5% |
| 53 | HSBC Bank PLC | Finance and insurance | 45.3% |
| 54 | The Priory Learning Trust | Education | 45.3% |
| 55 | Glf Schools | Education | 45.0% |
| 56 | Cathedral Schools Trust | Education | 44.8% |
| 57 | Beckfoot Trust | Education | 44.4% |
| 58 | St Ralph Sherwin Catholic Multi Academy Trust | Education | 44.4% |
| 59 | Initio Learning Trust | Education | 44.3% |
| 60 | Investec Wealth & Investment Limited | Finance and insurance | 44.0% |
| 61 | The Brooke Weston Trust | Education | 43.9% |
| 62 | Halliard Trust | Education | 43.5% |
| 63 | The Two Counties Trust | Education | 43.5% |
| 64 | Fdr Limited, Llc | Public sector and not classified | 43.4% |
| 65 | Allen Overy Shearman Sterling Service Company Limited | Professional, scientific and technical | 43.3% |
| 66 | Bishop Wilkinson Catholic Education Trust | Public sector and not classified | 43.0% |
| 67 | People's Partnership Limited | Finance and insurance | 43.0% |
| 68 | Lighthouse Schools Partnership | Education | 42.9% |
| 69 | Our Lady Of Lourdes Catholic Multi-Academy Trust | Education | 42.9% |
| 70 | TUI Airways Limited | Transport and storage | 42.9% |
| 71 | Easyjet Airline Company Limited | Transport and storage | 42.5% |
| 72 | Arriva Rail London Limited | Professional, scientific and technical | 42.3% |
| 73 | Stowe Valley Multi Academy Trust | Education | 42.3% |
| 74 | Medivet Group Limited | Professional, scientific and technical | 42.2% |
| 75 | Academy Transformation Trust | Education | 41.7% |
| 76 | Portman Healthcare Limited | Health and social work | 41.7% |
| 77 | Slaughter And May Services Company | Administrative and support services | 41.5% |
| 78 | The Sigma Trust | Education | 41.3% |
| 79 | Bradford Diocesan Academies Trust | Education | 41.1% |
| 80 | Altrad Integrity Services Limited | Arts and recreation | 41.0% |
| 81 | Asos.com Limited | Wholesale and retail | 41.0% |
| 82 | Newday Cards Ltd | Finance and insurance | 41.0% |
| 83 | The Harbour Schools Partnership | Education | 40.9% |
| 84 | Midsomer Norton Schools Partnership | Education | 40.8% |
| 85 | Overbury PLC | Construction | 40.6% |
| 86 | Spark Education Trust | Public sector and not classified | 40.2% |
| 87 | Hcrg Staffing Limited | Administrative and support services | 40.1% |
| 88 | Merrill Lynch International | Finance and insurance | 40.0% |
| 89 | Rbc Europe Limited | Finance and insurance | 40.0% |
| 90 | Central Learning Partnership Trust | Education | 39.8% |
| 91 | Exchange House Services Limited | Professional, scientific and technical | 39.5% |
| 92 | Lambert Smith Hampton Limited | Professional, scientific and technical | 39.5% |
| 93 | Heartwood Learning Trust | Education | 39.4% |
| 94 | Millfield | Education | 39.4% |
| 95 | Westcountry Schools Trust | Education | 39.4% |
| 96 | Hogan Lovells Cadwalader Services | Administrative and support services | 39.2% |
| 97 | Pathfinder Multi Academy Trust | Education | 39.0% |
| 98 | The Diocese Of Coventry Multi-Academy Trust | Education | 39.0% |
| 99 | Cb&i Asset Solutions Limited | Arts and recreation | 38.8% |
| 100 | Reach2 Academy Trust | Education | 38.7% |