| Scottish Police Authority | 735 | 600 | £218,781 |
| South Ayrshire Council | 735 | 589 | £100,000 |
| Network Rail Infrastructure Limited | 734 | 262 | £7,500,000 |
| Oxford City Council | 734 | 510 | £99,999 |
| Stoke-on-Trent City Council | 734 | 456 | £253,000 |
| Doncaster MBC | 729 | 612 | £100,000 |
| The National Archives | 724 | 691 | £49,697 |
| Cheshire East Borough Council | 720 | 496 | £196,284 |
| Ministry of Housing, Communities & Local Government | 717 | 654 | £90,000 |
| Noe-cpc | 716 | 185 | £155,000 |
| Food Standards Agency | 706 | 598 | £69,225 |
| Leeds Teaching Hospitals NHS Trust | 699 | 649 | £74,490 |
| North Somerset Council | 699 | 603 | £99,000 |
| Cefas | 693 | 496 | £37,047 |
| NHS South Yorkshire Integrated Care Board | 691 | 645 | £1 |
| Competition and Markets Authority | 690 | 637 | £43,132 |
| Quadrant Construction Services Limited | 690 | 684 | £133,000 |
| Coventry University | 687 | 579 | £71,831 |
| Luton Council | 684 | 500 | £150,000 |
| London Ambulance Service NHS Trust | 680 | 624 | £258,229 |
| Newry, Mourne and Down District Council (NMD) | 676 | 230 | £29,500 |
| University of Exeter | 674 | 541 | £110,000 |
| Intellectual Property Office | 673 | 626 | £24,000 |
| Homes & Communities Agency | 672 | 645 | £30,800 |
| Hartlepool Borough Council | 661 | 581 | £50,000 |
| City & County of Swansea | 659 | 459 | £103,800 |
| Espo | 659 | 577 | £5,000,000 |
| NHS Digital | 658 | 612 | £100,000 |
| LGSS | 651 | 256 | £70,000 |
| University of Bristol | 651 | 477 | £180,000 |
| Cabinet Office | 648 | 617 | £58,324 |
| Nuclear Restoration Services Limited | 646 | 597 | £77,991 |
| Somerset NHS Foundation Trust | 645 | 584 | £95,000 |
| University of Plymouth | 643 | 514 | £100,000 |
| Supply Hertfordshire | 641 | 241 | £385,000 |
| Aberdeenshire Council | 640 | 325 | £205,772 |
| NHS South West - Acutes | 639 | 283 | £110,000 |
| Royal Borough of Greenwich | 639 | 449 | £230,000 |
| Tees Valley Combined Authority | 637 | 556 | £98,000 |
| Nottingham Trent University | 634 | 572 | £62,982 |
| Atamis Ltd | 627 | 566 | £386,425 |
| Babcock International Group PLC | 619 | 515 | £95,801 |
| Westminster City Council | 618 | 375 | £300,000 |
| University of Strathclyde | 617 | 393 | £175,000 |
| DVSA - Driver and Vehicle Standards Agency | 615 | 529 | £75,000 |
| The Police and Crime Commissioner for Lincolnshire | 615 | 591 | £60,000 |
| Cheshire East Council | 604 | 535 | £79,715 |
| London Borough of Hounslow | 604 | 375 | £180,000 |
| Walsall Council e-Tendering | 603 | 193 | £305,000 |
| Renfrewshire Council | 602 | 394 | £282,600 |
| St.Helens Council | 602 | 293 | £100,000 |
| East Suffolk Council | 601 | 423 | £123,290 |
| United Lincolnshire Hospitals NHS Trust | 598 | 517 | £100,000 |
| Tower Hamlets | 594 | 410 | £500,000 |
| North Lanarkshire Council | 593 | 455 | £477,500 |
| West Suffolk NHS Foundation Trust | 590 | 480 | £46,039 |
| East Ayrshire Council | 589 | 351 | £320,000 |
| University of Bath | 589 | 299 | £100,000 |
| London Borough of Lambeth | 586 | 98 | £150,000 |
| Nuclear Decommissioning Authority | 583 | 508 | £450,000 |
| Stevenage Borough Council | 581 | 537 | £99,987 |
| Canterbury City Council | 576 | 500 | £100,000 |
| Bradford Teaching Hospitals NHS Foundation Trust | 574 | 494 | £115,000 |
| Dumfries and Galloway Council | 571 | 223 | £182,400 |
| London Borough of Islington | 567 | 417 | £1,112,400 |
| Ofgem | 562 | 481 | £120,000 |
| Birmingham Childrens Hospital | 560 | 542 | £93,035 |
| North of England Commissioning Support | 560 | 225 | £676,255 |
| Aberdeen City Council | 559 | 281 | £351,450 |
| Driver & Vehicle Licensing Agency | 552 | 480 | £107,865 |
| NHS Business Services Authority | 550 | 467 | £45,000 |
| London Borough of Hammersmith & Fulham | 543 | 286 | £92,500 |
| North Ayrshire Council | 543 | 388 | £300,000 |
| Cardiff City Council | 542 | 542 | · |
| Nottingham University Hospitals NHS Trust | 540 | 439 | £143,873 |
| Southern Housing | 540 | 509 | £269,490 |
| Caerphilly County Borough Council | 538 | 303 | £125,000 |
| London Borough of Barking and Dagenham | 538 | 290 | £152,152 |
| Offshore Renewable Energy Catapult | 533 | 474 | £65,000 |
| Valuation Office Agency | 532 | 514 | £45,427 |
| Guy's and St Thomas' NHS Foundation Trust | 528 | 268 | £300,000 |
| De Montfort University | 526 | 124 | £400,000 |
| London Borough of Ealing | 524 | 345 | £278,000 |
| Wakefield Council | 524 | 414 | £110,000 |
| Aston University | 521 | 399 | £99,500 |
| University of Nottingham (The) | 521 | 498 | £51,243 |
| NHS Coventry and Warwickshire ICB | 520 | 498 | £2,687,745 |
| Hertfordshire County Council | 519 | 390 | £1,157,640 |
| DVLA - Driver & Vehicle Licensing Agency | 518 | 491 | £78,234 |
| Post Office Limited | 518 | 325 | £160,000 |
| Partners Procurement Service (PPS) | 516 | 491 | £68,115 |
| City of York Council | 513 | 286 | £239,000 |
| Ofcom | 513 | 458 | £85,176 |
| Department for Business & Trade | 509 | 470 | £113,698 |
| The Crown Estate | 509 | 484 | £55,000 |
| NHS Greater Glasgow and Clyde | 508 | 374 | £300,000 |
| The United Kingdom Hydrographic Office | 508 | 483 | £29,365 |
| Dorset HealthCare University NHS Foundation Trust | 502 | 450 | £83,583 |
| Defence Equipment and Support | 500 | 331 | £3,000,000 |
| Shropshire Council | 496 | 378 | £500,000 |