| 1 | Agincare UK Limited | 254 | Castletown |
| 2 | Creative Support Limited | 230 | Stockport |
| 3 | Elysium Healthcare | 208 | Borehamwood |
| 4 | Barchester Healthcare | 181 | Inverness |
| 5 | Asda Stores Ltd | 98 | Leeds |
| 6 | HCRG Care Limited | 95 | Runcorn |
| 7 | Akari Care Limited | 94 | Leeds |
| 8 | Ramsay Health Care UK | 92 | Bedford |
| 9 | Hampshire and Isle of Wight Healthcare NHS Foundation Trust | 84 | Southampton |
| 10 | Baker Hicks Limited | 83 | Warwickshire |
| 11 | Spire Healthcare Ltd | 83 | London |
| 12 | The Betsi Cadwaladr University Health Board | 79 | Wrexham |
| 13 | Ministry of Justice | 74 | London |
| 14 | Mid and South Essex NHS Foundation Trust | 70 | Southend On Sea |
| 15 | University Hospitals North Midlands NHS Trust | 66 | Stoke-On-Trent |
| 16 | Royal Free London NHS Foundation Trust | 59 | London |
| 17 | CAPITAL ONE (EUROPE) PLC | 58 | Nottingham |
| 18 | Kentucky Fried Chicken (Great Britain) Limited | 57 | Woking |
| 19 | Airwallex (UK) Limited | 56 | London |
| 20 | Dorset HealthCare University NHS Foundation Trust | 56 | Poole |
| 21 | Buckinghamshire Healthcare NHS Trust | 55 | Aylesbury |
| 22 | Liverpool University Hospitals NHS Foundation Trust | 54 | Liverpool |
| 23 | University Hospitals Birmingham NHS Foundation Trust | 54 | Edgbaston |
| 24 | Somerset NHS Foundation Trust | 53 | Taunton |
| 25 | IQVIA Limited | 51 | Reading |
| 26 | The Care company UK Ltd | 51 | Kings Lynn |
| 27 | Anthropic Limited | 50 | London |
| 28 | Midlands Partnership NHS Foundation Trust | 50 | Stafford |
| 29 | Barclays Bank PLC | 50 | London |
| 30 | Databricks UK Limited | 48 | London |
| 31 | Cornwall Partnership NHS Foundation Trust | 48 | Bodminl |
| 32 | Royal Devon University Healthcare NHS Foundation Trust | 48 | Exeter |
| 33 | Exemplar Health Care | 48 | Sheffield |
| 34 | TEES, ESK & WEAR VALLEYS NHS TRUST | 48 | Middlesbrough |
| 35 | Nottinghamshire Healthcare NHS Foundation Trust | 46 | Nottingham |
| 36 | Bristol NHS Foundation Trust | 45 | Bristol |
| 37 | North Cumbria Integrated Care NHS Foundation Trust | 45 | Carlisle |
| 38 | Imperial College Healthcare NHS Trust | 44 | London |
| 39 | Priory Group | 42 | London |
| 40 | Sussex Partnership NHS Foundation Trust | 41 | Worthing |
| 41 | Surrey & Borders Partnership NHS Foundation Trust | 40 | Leatherhead |
| 42 | Norfolk and Suffolk NHS Foundation Trust | 40 | Norwich |
| 43 | Aldi Stores Limited | 40 | Atherstone |
| 44 | Essex Partnership University NHS Foundation Trust | 39 | Wickford |
| 45 | Central and North West London NHS Foundation Trust | 39 | London |
| 46 | Ernst & Young | 39 | London |
| 47 | Omnes Healthcare Limited | 37 | London |
| 48 | University Hospitals of Derby and Burton NHS Foundation Trust | 37 | Derby |
| 49 | Northern Care Alliance NHS Foundation Trust | 37 | Salford |
| 50 | UNIVERSITY HOSPITALS COVENTRY AND WARWICKSHIRE NHS TRUST | 36 | Coventry |
| 51 | NTT Global Data Centers EMEA UK Ltd | 35 | Hemel Hempstead |
| 52 | GLoucestershire Health and Care NHS Foundation Trust | 34 | Gloucester |
| 53 | Sherwood Forest Hospitals NHS Foundation Trust | 34 | Nottinghamshire |
| 54 | Devon Partnership NHS Trust | 33 | Exeter |
| 55 | Northamptonshire Healthcare NHS Foundation Trust | 33 | Kettering |
| 56 | CFGI (UK) Limited | 32 | London |
| 57 | Kent & Medway Mental Health NHS Trust | 32 | Maidstone |
| 58 | Hertfordshire Partnership University NHS Foundation Trust | 32 | Hatfield |
| 59 | Wye Valley NHS Trust | 32 | Hereford |
| 60 | NHS England | 32 | Leeds |
| 61 | HC-One Limited | 31 | Darlington |
| 62 | Greater Manchester Mental Health NHS Foundation Trust | 31 | Prestwich |
| 63 | East London NHS Foundation Trust | 31 | London |
| 64 | Lewisham & Greenwich NHS Trust | 31 | London |
| 65 | Worcestershire Acute Hospitals NHS Trust | 30 | Worcester |
| 66 | Hull University Teaching Hospitals NHS Trust | 30 | Hull |
| 67 | Mersey and West Lancashire Teaching Hospitals NHS Trust | 30 | Prescot |
| 68 | Sirona care & health | 30 | Yate |
| 69 | Oxleas NHS Foundation Trust | 30 | Dartford |
| 70 | Lancashire and South Cumbria NHS Foundation Trust | 29 | Preston |
| 71 | FLATPAY APS | 29 | London |
| 72 | MBDA UK Limited | 29 | Stevenage |
| 73 | University Hospitals of Leicester NHS Trust | 28 | Leicester |
| 74 | InHealth Ltd | 28 | Beaconsfield |
| 75 | Northumbria Healthcare NHS Foundation Trust | 28 | Newcastle Upon Tyne |
| 76 | Black Country Healthcare NHS Foundation Trust | 28 | West Bromwich |
| 77 | Frimley Health NHS Foundation Trust | 28 | Camberley |
| 78 | Cambridge University Hospitals NHS Foundation Trust | 28 | Cambridge |
| 79 | Jewish Care | 27 | London |
| 80 | CUMBRIA, NORTHUMBERLAND, TYNE AND WEAR NHS FOUNDATION TRUST | 27 | Newcastle Upon Tyne |
| 81 | Avenues Group | 27 | Sidcup |
| 82 | Anaplan Limited | 26 | London |
| 83 | HealthHarmonie Limited | 26 | Edgbaston |
| 84 | Hunter Douglas UK Retail Limited | 26 | Colwick |
| 85 | Epsom and St Helier University Hospitals NHS Trust | 25 | Carshalton |
| 86 | Hampshire Hospitals NHS Foundation Trust | 25 | Basingstoke |
| 87 | Torbay and South Devon NHS Foundation Trust | 24 | Torquay |
| 88 | Royal Surrey NHS Foundation Trust | 24 | Guildford |
| 89 | Witherslack Group Limited | 24 | Lupton, Carnforth |
| 90 | Menzies LLP | 24 | London |
| 91 | Braze Limited | 23 | London |
| 92 | THE PRINCESS ALEXANDRA HOSPITAL NHS TRUST | 23 | Harlow |
| 93 | Humber Teaching NHS Foundation Trust | 23 | Willerby |
| 94 | FDM Group Limited | 23 | Brighton |
| 95 | Teleperformance Limited | 23 | Bristol |
| 96 | Blockchain (GB) Limited | 22 | London |
| 97 | Lancashire Teaching Hospitals NHS Foundation Trust | 22 | Chorley |
| 98 | Cheshire & Wirral Partnership NHS Foundation Trust | 22 | Chester |
| 99 | Herefordshire and Worcestershire Health and Care NHS Trust | 22 | Worcester |
| 100 | Aneurin Bevan University Health Board | 22 | Cwmbran |