| 1 | Carbon60 Limited Luton Turnover £120.4M | £38.7M 2025 accounts | £120.4M |
| 2 | Prospero Group Ltd London | £37.2M | — |
| 3 | Lorien Resourcing Limited Luton Turnover £487.6M | £35.7M 2025 accounts | £487.6M |
| 4 | Danny Sullivan & Sons Ltd. London Turnover £240.8M | £22.6M 2024 accounts | £240.8M |
| 5 | Dartmouth Partners Ltd London Turnover £20.0M | £22.0M 2023 accounts | £20.0M |
| 6 | N.R.L. Limited Wigan Turnover £157.1M | £15.0M 2021 accounts | £157.1M |
| 7 | Coyle Personnel Limited Harrow Turnover £113.3M | £12.9M | £113.3M |
| 8 | James Andrews Recruitment Solutions Ltd Leicester | £12.6M | — |
| 9 | V.G.Clements (Contractors) Limited Ruislip Turnover £121.9M | £11.9M | £121.9M |
| 10 | Eaglecliff Limited Kent | £11.6M | — |
| 11 | Science Recruitment Group Ltd Luton Turnover £62.8M | £10.9M 2025 accounts | £62.8M |
| 12 | M&E Global Limited Belbroughton Turnover £88.2M | £10.5M 2024 accounts | £88.2M |
| 13 | Omni Facilities Management Limited London | £10.0M 2024 accounts | — |
| 14 | MSS Infrastructure Limited Watford Turnover £83.2M | £9.9M 2023 accounts | £83.2M |
| 15 | SKN Electrical Services Limited Blackpool Turnover £23.1M | £8.8M | £23.1M |
| 16 | Fruition Group Limited Leeds | £8.6M 2024 accounts | — |
| 17 | Medgen Ltd Sutton | £8.5M | — |
| 18 | Service Care Solutions Ltd Preston | £8.3M | — |
| 19 | Eton Bridge Partners Limited Windsor Turnover £51.7M | £7.9M 2021 accounts | £51.7M |
| 20 | Industrial Temps Limited Belfast Turnover £23.9M | £7.9M | £23.9M |
| 21 | WHC01 Limited Rochdale | £7.8M 2020 accounts | — |
| 22 | Access Recruitment Ltd Guildford Turnover £19.4M | £7.6M 2023 accounts | £19.4M |
| 23 | Mach Recruitment Limited Leeds | £7.6M | — |
| 24 | Netcom Training Ltd Birmingham | £7.5M 2025 accounts | — |
| 25 | Back to Work Training Limited Stockport Turnover £16.7M | £7.5M | £16.7M |
| 26 | The UK Recruitment Co. Ltd London | £7.4M 2023 accounts | — |
| 27 | Goodshape UK Limited London Turnover £6.1M | £7.3M 2023 accounts | £6.1M |
| 28 | Apprentify Limited Wilmslow | £7.0M | — |
| 29 | Pro-Force Limited Canterbury Turnover £150.6M | £6.8M 2024 accounts | £150.6M |
| 30 | Grafters Group Limited Bath | £6.6M | — |
| 31 | So Code Ltd Milton Road Turnover £10.9M | £6.4M 2024 accounts | £10.9M |
| 32 | Concept Recruitment Group Limited Wakefield | £6.3M 2024 accounts | — |
| 33 | Sanctuary Personnel Limited Ipswich Turnover £102.7M | £6.3M 2019 accounts | £102.7M |
| 34 | Waypoint Global Limited London | £6.1M | — |
| 35 | Evolution Technology Solutions Ltd Warrington | £6.1M 2024 accounts | — |
| 36 | Abbots Care Limited St. Albans | £5.8M | — |
| 37 | Jam Recruitment Limited Cheadle Turnover £39.6M | £5.7M | £39.6M |
| 38 | Alexander Associates Technical Recruitment Ltd Westerham | £5.2M 2025 accounts | — |
| 39 | Bespoke Health & Social Care Ltd Nottingham Turnover £36.9M | £5.1M | £36.9M |
| 40 | Lascaux Partners Limited London | £5.1M 2022 accounts | — |
| 41 | Harnham Search and Selection Limited Wimbledon Turnover £19.4M | £5.1M 2024 accounts | £19.4M |
| 42 | Navartis Limited Doncaster | £5.0M | — |
| 43 | Emerald Group Limited Plymouth Turnover £10.1M | £5.0M | £10.1M |
| 44 | Bie Executive Limited London | £5.0M | — |
| 45 | Seven Resourcing Limited Ipswich | £4.9M 2020 accounts | — |
| 46 | Technical Staffing Resources Limited Leatherhead Turnover £89.2M | £4.7M 2024 accounts | £89.2M |
| 47 | Fawkes & Reece Limited London | £4.7M | — |
| 48 | Sure Call Recruitment Services Ltd Potters Bar Turnover £20.6M | £4.6M 2024 accounts | £20.6M |
| 49 | The Oyster Partnership Limited London Turnover £43.3M | £4.6M | £43.3M |
| 50 | Prestige Recruitment Specialists Limited Hull Turnover £36.4M | £4.2M | £36.4M |
| 51 | Mtrec Limited Newcastle Upon Tyne | £4.2M 2025 accounts | — |
| 52 | Twentyai Ltd London | £4.1M | — |
| 53 | Berkeley Scott Limited London Turnover £18.0M | £4.1M | £18.0M |
| 54 | Leap29 Limited Wilmslow | £4.1M | — |
| 55 | Tile Hill Interim & Executive Limited Letchworth Garden City | £4.0M | — |
| 56 | Apex Resources Limited Watford | £4.0M | — |
| 57 | Pure Recruitment Group Limited London Turnover £11.7M | £4.0M 2023 accounts | £11.7M |
| 58 | Smartsourcing Limited South Benfleet Turnover £26.6M | £3.9M 2024 accounts | £26.6M |
| 59 | Smart Solutions (Recruitment) Limited Cardiff Turnover £97.3M | £3.9M | £97.3M |
| 60 | WMS Recruitment Limited Wisbech | £3.9M 2023 accounts | — |
| 61 | Advance Global Recruitment Ltd Edinburgh Turnover £50.6M | £3.8M 2024 accounts | £50.6M |
| 62 | RTS Wind Ltd Middlesbrough | £3.8M 2024 accounts | — |
| 63 | Tripod Partners Limited London | £3.7M | — |
| 64 | Shilton Sharpe Quarry Limited London | £3.7M 2024 accounts | — |
| 65 | Quattro Recruitment Limited Chester Turnover £42.4M | £3.6M 2020 accounts | £42.4M |
| 66 | Tangent International Limited Essex Turnover £63.5M | £3.5M 2025 accounts | £63.5M |
| 67 | Spie Wind Connect Ltd Saltburn-By-The-Sea | £3.4M 2021 accounts | — |
| 68 | Scantec Personnel Limited Birkenhead Turnover £37.2M | £3.4M 2024 accounts | £37.2M |
| 69 | Elevation Recruitment Limited Rotherham | £3.3M | — |
| 70 | Energize Recruitment Solutions Ltd Manchester | £3.3M | — |
| 71 | Tech Professionals Limited Banbury | £3.2M | — |
| 72 | Vanrath Recruitment Limited Belfast | £3.2M 2021 accounts | — |
| 73 | Kinetic Recruitment Services Limited Manchester Turnover £13.1M | £3.1M 2025 accounts | £13.1M |
| 74 | Temp Dent Dental Agency Limited London | £3.1M 2022 accounts | — |
| 75 | Mane Contract Services Limited Watford | £3.0M | — |
| 76 | Florence Staffing Ltd London | £3.0M 2021 accounts | — |
| 77 | Routes Healthcare (North) Limited Rochdale Turnover £21.7M | £2.9M 2020 accounts | £21.7M |
| 78 | Keen Thinking Limited Mitcheldean Turnover £5.8M | £2.9M 2025 accounts | £5.8M |
| 79 | Affinity Workforce Solutions Limited London | £2.9M | — |
| 80 | Madigangill Resource Limited London Turnover £25.7M | £2.8M 2022 accounts | £25.7M |
| 81 | Intellectual Capital Resources Limited Reading Turnover £23.4M | £2.8M | £23.4M |
| 82 | Select Offshore Ltd Chelmsford | £2.8M 2024 accounts | — |
| 83 | Seamariner Limited Southampton | £2.7M | — |
| 84 | Icds Constructors (UK) Ltd Barnet | £2.7M | — |
| 85 | Primary Care Recruitment Ltd Newcastle Upon Tyne | £2.7M | — |
| 86 | MCS Personnel Limited Belfast | £2.7M 2020 accounts | — |
| 87 | C.K. Associates Limited Stevenage Turnover £22.5M | £2.6M 2021 accounts | £22.5M |
| 88 | Castleview Group Training Limited Chester Le Street | £2.6M | — |
| 89 | Premier Work Support Limited Leicester Turnover £16.3M | £2.6M | £16.3M |
| 90 | Systemsaccountants Limited Peterborough Turnover £21.6M | £2.5M | £21.6M |
| 91 | Metric Search Holdings Limited Nottingham | £2.5M 2023 accounts | — |
| 92 | Education Personnel Management Limited Huntingdon | £2.4M | — |
| 93 | Fawkes & Reece (South) Limited London | £2.4M | — |
| 94 | AM 2 PM Recruitment Services Limited Lichfield | £2.2M | — |
| 95 | Act*1 Services Limited London Turnover £28.1M | £2.1M 2024 accounts | £28.1M |
| 96 | Cedar Recruitment Limited London | £2.1M 2023 accounts | — |
| 97 | Cobalt Consulting (UK) Limited London | £2.1M 2024 accounts | — |
| 98 | Gem Partnership Limited Newcastle Upon Tyne | £2.1M 2025 accounts | — |
| 99 | First People Recruitment Limited Newton-Le-Willows Turnover £16.3M | £1.9M | £16.3M |
| 100 | Arc Hospitality Recruitment Solutions Ltd Liverpool | £1.9M | — |
| 101 | Millbank Resource Management Limited Runcorn | £1.8M | — |
| 102 | M4 Recruitment Limited Newbury | £1.8M 2024 accounts | — |
| 103 | Medical Staffing Solutions Limited Romford Turnover £32.3M | £1.8M | £32.3M |
| 104 | Mploy Staffing Solutions Limited Industrial Estate Wimborne Turnover £28.7M | £1.7M 2020 accounts | £28.7M |
| 105 | Sapphire DNP Limited Stockport Turnover £436.8M | £1.7M | £436.8M |
| 106 | Winner Recruitment (Birmingham) Ltd Sutton Coldfield | £1.6M | — |
| 107 | Remedy Recruitment Group Limited Loughton Turnover £44.6M | £1.6M | £44.6M |
| 108 | Helix Offshore Crewing Services Limited Aberdeen Turnover £66.9M | £1.6M | £66.9M |
| 109 | Oliver Bernard Limited London | £1.5M | — |
| 110 | Venesky-Brown Recruitment Ltd. Edinburgh | £1.5M | — |
| 111 | Omni Resource Management Solutions Limited Altrincham Turnover £32.2M | £1.5M 2025 accounts | £32.2M |
| 112 | Chevron Technical Services Limited Manchester | £1.5M 2021 accounts | — |
| 113 | Taher Limited Paignton | £1.5M | — |
| 114 | Ocnr (Emea) Limited London | £1.4M | — |
| 115 | Logical Personnel Solutions Limited Leeds | £1.4M 2024 accounts | — |
| 116 | Source Group International Limited Addlestone | £1.4M | — |
| 117 | Arthur Financial Limited London | £1.4M | — |
| 118 | Wilton and Bain Limited London Turnover £5.8M | £1.4M | £5.8M |
| 119 | Marketplace Direct Limited London Turnover £41.0M | £1.3M | £41.0M |
| 120 | Angloworld Recruitment Limited Hertfordshire | £1.3M 2024 accounts | — |
| 121 | Generate FS Limited London | £1.3M 2024 accounts | — |
| 122 | Cornish Labour Services Limited Hayle Turnover £18.8M | £1.3M 2025 accounts | £18.8M |
| 123 | Sheffield Haworth Limited London Turnover £23.5M | £1.3M 2022 accounts | £23.5M |
| 124 | Planb Professional Services Limited Horsham Turnover £13.3M | £1.3M | £13.3M |
| 125 | Contract Scotland Limited Stirling | £1.3M 2024 accounts | — |
| 126 | Medicspro Ltd Romford Turnover £42.4M | £1.2M | £42.4M |
| 127 | First Choice Selection Services Ltd 19-27 Church Street Turnover £22.4M | £1.2M | £22.4M |
| 128 | Swiis (UK) Limited Bristol | £1.1M 2024 accounts | — |
| 129 | Employment Solutions Limited Bury | £1.1M | — |
| 130 | Club Mediterranee Services (Europe) Limited London Turnover £2.1M | £1.1M 2021 accounts | £2.1M |
| 131 | Hamilton Barnes Associates Limited London | £1.1M | — |
| 132 | Nijobs.Com Ltd Belfast | £1.1M 2021 accounts | — |
| 133 | Macildowie Associates Limited Nottingham Turnover £15.6M | £1.1M | £15.6M |
| 134 | Eames Consulting Group Limited London | £1.1M 2024 accounts | — |
| 135 | Hallam Medical Limited Sheffield | £1.1M | — |
| 136 | Mathys & Squire Services Ltd London Turnover £19.8M | £1.0M 2024 accounts | £19.8M |
| 137 | Red Snapper Recruitment Limited Poole | £1.0M | — |
| 138 | Excell Supply Ltd. Mold | £983.0k | — |
| 139 | Interex Limited London | £953.1k | — |
| 140 | Discover People International Ltd London | £932.6k 2024 accounts | — |
| 141 | New Millennia Payroll Services Limited Manchester | £928.0k | — |
| 142 | Gill Cooke Personnel Limited Derby | £874.2k 2024 accounts | — |
| 143 | Rutledge Recruitment Limited Coleraine | £790.4k | — |
| 144 | Simply Education Limited London Turnover £14.6M | £782.5k | £14.6M |
| 145 | Mma Healthcare Recruitment UK Limited Manchester Turnover £2.4M | £753.3k | £2.4M |
| 146 | Diverse Rec Limited London | £740.3k 2024 accounts | — |
| 147 | Paystream My Max Limited Greater Manchester Turnover £322.6M | £726.6k 2020 accounts | £322.6M |
| 148 | On Line People Limited Immingham Turnover £13.3M | £723.5k | £13.3M |
| 149 | Annapurna HR Ltd London | £690.7k | — |
| 150 | Central Employment Agency (North East) Limited Newcastle Upon Tyne | £662.0k | — |
| 151 | Wilton & Bain Management Solutions Limited London Turnover £8.4M | £654.8k | £8.4M |
| 152 | Interim Partners Limited Leeds | £650.2k | — |
| 153 | Saser Limited Stockport Turnover £159.7M | £646.1k | £159.7M |
| 154 | Anzuk Education Ltd London Turnover £15.2M | £639.6k 2024 accounts | £15.2M |
| 155 | Pangea Resourcing Limited London | £462.1k 2024 accounts | — |
| 156 | Astute Technical Recruitment Limited Portsmouth | £434.2k | — |
| 157 | Barker Ross Staffing Solutions Ltd Leicester Turnover £34.1M | £431.8k | £34.1M |
| 158 | Alexander Ash Consulting Limited London | £389.6k | — |
| 159 | Castlefield Recruitment Limited Leeds | £387.4k 2021 accounts | — |
| 160 | Paystream My Max 2 Limited Cheshire Turnover £68.4M | £383.4k 2020 accounts | £68.4M |
| 161 | Athona Limited Romford | £379.8k | — |
| 162 | Proactive Appointments Limited Hersham Turnover £24.2M | £375.5k | £24.2M |
| 163 | Premier People Recruitment Ltd Uxbridge Turnover £36.1M | £360.4k 2024 accounts | £36.1M |
| 164 | Assured Valeting Holdings Limited Warwick | £270.7k 2019 accounts | — |
| 165 | Arden White Limited Ferndown Turnover £14.9M | £258.5k 2022 accounts | £14.9M |
| 166 | Pinnacle Workforce Solutions UK Limited London Turnover £238.2k | £250.8k | £238.2k |
| 167 | Total Assist Recruitment Limited Kingston Upon Thames Turnover £15.8M | £215.6k 2024 accounts | £15.8M |
| 168 | Morgan Philips UK Limited London | £215.0k 2024 accounts | — |
| 169 | Bardwood Support Services Limited Wickford | £194.2k | — |
| 170 | Linear Recruitment Limited Sheffield | £193.4k | — |
| 171 | Icare24 Limited Birmingham | £159.9k | — |
| 172 | Msshosp Limited Widnes | £144.8k 2024 accounts | — |
| 173 | Madigangill Security Limited London | £140.7k 2022 accounts | — |
| 174 | Storm Global Ltd Surbiton | £120.7k | — |
| 175 | Barker Ross Recruitment Limited Leicester Turnover £14.3M | £119.6k | £14.3M |
| 176 | Cranfield Quality Services Limited Bedford Turnover £3.3M | £87.2k 2019 accounts | £3.3M |
| 177 | PSD Limited London | £79.9k | — |
| 178 | Talstaff Limited Rotherham | £79.1k | — |
| 179 | Corepeople Recruitment Limited Durham Turnover £14.9M | £77.5k | £14.9M |
| 180 | Plus Relocation Services Ltd Ipswich | £67.6k | — |
| 181 | HE Space Operations Ltd Didcot | £56.7k | — |
| 182 | Connex Education Partnership Limited Chester | £54.9k | — |
| 183 | 4Site Recruitment Limited Fareham | £49.2k 2023 accounts | — |
| 184 | Alliance Personnel Limited Off St. Pauls Square Birmingham | £46.4k | — |
| 185 | Synergize Consulting Ltd Crawley | £46.2k 2025 accounts | — |
| 186 | Bie Topco Limited London | £44.2k | — |
| 187 | Propel Consult Limited Gloucester | £28.8k 2023 accounts | — |
| 188 | Client Server Ltd Esher | £13.1k | — |
| 189 | Dudley & Kent Commercial Services Ltd West Malling Turnover £6.4M | £12.0k 2023 accounts | £6.4M |
| 190 | Vision Business Support Services Limited Mansfield Turnover £4.5M | £100 2021 accounts | £4.5M |
| 191 | Trafalgar Workforce Solutions Limited Lytham St. Annes | £100 2021 accounts | — |
| 192 | Akg (UK) Employment Limited Milton Keynes | £100 2021 accounts | — |
| 193 | Clarity Housekeeping Limited Weston-Super-Mare | -£782 2020 accounts | — |
| 194 | Idpp Consulting Limited London | -£60.8k | — |
| 195 | Outsource UK Limited Bristol | -£100.9k 2024 accounts | — |
| 196 | Social Work Partners Limited Braintree Turnover £58.8M | -£103.1k | £58.8M |
| 197 | Nicoll Curtin Technology Limited Bristol | -£462.1k 2022 accounts | — |
| 198 | Storm Global Holdings Ltd Surbiton | -£485.9k | — |
| 199 | Certn (UK) Ltd. London Turnover £11.1M | -£519.5k | £11.1M |
| 200 | PSR Staffing Solutions Ltd Stafford Turnover £55.3M | -£729.6k | £55.3M |
| 201 | AM 2 PM Recruitment Solutions (Birmingham) Limited Lichfield | -£773.8k | — |
| 202 | Magnit Global UK WFQ Limited Knutsford Turnover £969.4k | -£1.5M 2020 accounts | £969.4k |
| 203 | Remote Medical International UK Ltd Fareham Turnover £10.1M | -£1.6M 2023 accounts | £10.1M |
| 204 | VCMP UK Limited London Turnover £72.1M | -£3.4M | £72.1M |
| 205 | Ersg Ltd Bromley | -£4.6M 2024 accounts | — |
| 206 | Granite Midco Limited London | -£4.7M 2023 accounts | — |
| 207 | Earthstream Global Limited London Turnover £31.9M | -£12.4M 2024 accounts | £31.9M |
| 208 | Xcede Limited London Turnover £34.6M | -£12.5M 2024 accounts | £34.6M |
| 209 | Norland University of Early Childhood Limited Bath | — | — |
| 210 | Zurich Employment Services Limited Swindon | — | — |
| 211 | Clermont Hotel HR Limited London | — | — |
| 212 | Concordia (UK) East Sussex | — | — |
| 213 | Brook Street (UK) Limited Uxbridge | — | — |
| 214 | Blue Arrow Ltd. London | — | — |
| 215 | Action Mental Health Newtownards | — | — |
| 216 | Reed in Partnership Limited London | — | — |
| 217 | Hays Specialist Recruitment Limited London | — | — |
| 218 | London Nurses Agency Limited Bristol | — | — |
| 219 | Shorterm Limited Yiewsley | — | — |
| 220 | Ing Services Limited London | — | — |
| 221 | Chrysalis Community Care Group Limited London | — | — |
| 222 | Rullion Engineering Limited Altrincham | — | — |
| 223 | Linsco Limited Nottingham | — | — |
| 224 | Montreal Associates (Systems) Limited London | — 2024 accounts | — |
| 225 | Clyde Marine Recruitment Limited Glasgow | — | — |
| 226 | BS Project Services Limited Uxbridge | — | — |
| 227 | E D & F Man Services Limited London | — | — |
| 228 | Marks Sattin (UK) Limited Chesterfield | — | — |
| 229 | Sanderson Solutions Group PLC Bristol | — | — |
| 230 | Modis International Limited London | — | — |
| 231 | L.A. International Computer Consultants Limited Stoke-On-Trent | — | — |
| 232 | Pertemps Recruitment Partnership Limited Meriden | — | — |
| 233 | Macdonald & Company Holdings Limited London | — | — |
| 234 | Innova Technology Solutions UK Limited London | — | — |
| 235 | Shaw Trust Limited(the) Oldbury | — | — |
| 236 | Randstad UK Holding Limited Luton | — | — |
| 237 | Michael Page Holdings Limited Addlestone | — | — |
| 238 | Staffline Recruitment (NI) Limited Nottingham | — | — |
| 239 | The Wise Group Glasgow | — | — |
| 240 | Penna PLC London | — | — |
| 241 | People in Computers Limited London | — | — |
| 242 | GI Group Recruitment Ltd Chesterfield | — | — |
| 243 | Unitedhealthcare Global Medical (UK) Limited Mitcheldean | — | — |
| 244 | Orion Engineering Services Limited | — | — |
| 245 | Robert Walters Holdings Limited London | — | — |
| 246 | Private Equity Recruitment Ltd London | — 2024 accounts | — |
| 247 | Resource Solutions Limited London | — | — |
| 248 | Draefern Limited Chesterfield | — | — |
| 249 | Alexander Mann Solutions Limited London | — | — |
| 250 | McGregor Boyall Associates Limited Southwick | — 2024 accounts | — |
| 251 | Experis Limited Uxbridge | — | — |
| 252 | Daniel Owen Ltd Reading | — 2023 accounts | — |
| 253 | Search Consultancy Limited Glasgow | — | — |
| 254 | Mentor International Management Consultants Limited London | — | — |
| 255 | Strategic Resources European Recruitment Consultants Limited Aberdeen | — | — |
| 256 | Disability Action (NI) Employment & Training Belfast | — | — |
| 257 | Templine Employment Agency Limited Birmingham | — | — |
| 258 | Rullion It Plus Limited Altrincham | — | — |
| 259 | Harvey Nash Limited London | — | — |
| 260 | Waterman Aspen Limited London | — | — |
| 261 | Driver Hire Group Services Limited Bradford | — | — |
| 262 | The Kellan Group Limited London | — | — |
| 263 | Timeplan Education Group Limited London | — | — |
| 264 | Viking Maritime Group Limited Dover | — | — |
| 265 | Inverclyde Community Development Trust Greenock | — | — |
| 266 | Meridian Business Support Limited Manchester | — | — |
| 267 | Randstad Solutions Limited Luton | — | — |
| 268 | O'Neill and Brennan Construction Limited Glos | — 2024 accounts | — |
| 269 | Interaction Recruitment PLC Huntingdon | — | — |
| 270 | Odyssey Advantage Services Limited London | — | — |
| 271 | Roevin Management Services Limited London | — | — |
| 272 | Thorn Baker Limited Nottingham | — | — |
| 273 | Career Legal Limited London Turnover £12.2M | — | £12.2M |
| 274 | Groundwork Caerphilly Blackwood | — | — |
| 275 | Amey Services Limited London | — | — |
| 276 | Medacs Healthcare Limited London | — | — |
| 277 | The Forward Trust London | — | — |
| 278 | Positive Steps Oldham Oldham | — | — |
| 279 | The Best Connection Group Limited Bromsgrove | — | — |
| 280 | Line Up Limited Horsham | — | — |
| 281 | Monitor Services Limited Gravesend | — | — |
| 282 | Qualitair Aviation Group Limited Luton | — | — |
| 283 | Rullion Build Limited Altrincham | — | — |
| 284 | TRS Staffing Solutions Limited London | — | — |
| 285 | PSD Contracts Ltd London | — | — |
| 286 | Morson Human Resources Limited Salford | — | — |
| 287 | Breedon Group Services Limited Derby | — | — |
| 288 | Lutech Resources Limited London | — | — |
| 289 | Diamond Construction & Engineering Recruitment Ltd London | — 2024 accounts | — |
| 290 | M.P.I. Limited Hertford | — | — |
| 291 | GI Group Staffing Solutions Limited Chesterfield | — | — |
| 292 | Goodman Masson Limited London | — | — |
| 293 | Hays Healthcare Limited London | — | — |
| 294 | Jonathan Lee Contracts Limited Stourbridge | — | — |
| 295 | Pertemps Jobshop Limited West Midlands | — | — |
| 296 | Punter Southall Services Limited London | — | — |
| 297 | GI Recruitment Limited Chesterfield | — | — |
| 298 | Infobond Limited Great Yarmouth | — | — |
| 299 | Guidant Global UK Limited Luton Turnover £711.3M | — 2025 accounts | £711.3M |
| 300 | WA Consultants Limited Exeter | — | — |