| 2501 | Automatic Fire Suppression Limited | 3 | £31,122 |
| 2502 | Auto Turned Products (Northants) Ltd, in Company Voluntary Arrangement (CVA) | 3 | £5,603 |
| 2503 | Autozone (UK) Limited | 3 | £0 |
| 2504 | Auxilium Developments Limited | 3 | £7,650 |
| 2505 | Avanti Gas Limited | 3 | £0 |
| 2506 | Avanti Schools Trust Limited | 3 | £0 |
| 2507 | Avara Foods Ltd | 3 | £0 |
| 2508 | Aviation 360 Limited | 3 | £16,189 |
| 2509 | Avo Distribution Group Limited (in creditors voluntary liquidation) | 3 | £7,756 |
| 2510 | Avon And Somerset Constabulary | 3 | £0 |
| 2511 | AWH Pro-tect CIC (In Liquidation) | 3 | £7,881 |
| 2512 | AXA Services Limited | 3 | £0 |
| 2513 | Axel Group International Ltd | 3 | £4,419 |
| 2514 | Aztec Carlisle Ltd | 3 | £12,821 |
| 2515 | Back to Back Care Ltd | 3 | £10,940 |
| 2516 | Ballymore Construction Services Ltd | 3 | £0 |
| 2517 | Banham Poultry Limited | 3 | £5,074 |
| 2518 | Barchester Health Care | 3 | £0 |
| 2519 | Barking Havering & Redbridge University Hospital NHS Trust | 3 | £88,196 |
| 2520 | Barn House Bakery Ltd | 3 | £15,670 |
| 2521 | Barrett Steel Ltd | 3 | £0 |
| 2522 | Barrier Ex Limited (In Administration) | 3 | £19,484 |
| 2523 | Barrochan Limited (Dissolved) | 3 | £0 |
| 2524 | Basingstoke and Deane Borough Council | 3 | £0 |
| 2525 | Basingstoke College of Technology | 3 | £0 |
| 2526 | Baxi Heating UK Ltd | 3 | £0 |
| 2527 | BBC (The British Broadcasting Corporation) | 3 | £0 |
| 2528 | Bcs Automotive | 3 | £0 |
| 2529 | Bedfordshire Fire and Rescue Service | 3 | £0 |
| 2530 | Bedfordshire Hospitals NHS Foundation Trust | 3 | £0 |
| 2531 | Belron UK Limited t/a Autoglass | 3 | £0 |
| 2532 | Bento Box t/a Little Tokyo Limited | 3 | £4,421 |
| 2533 | Benugo Ltd | 3 | £0 |
| 2534 | Benvenuti (Dumbarton) Ltd (in Liquidation) | 3 | £17,933 |
| 2535 | Berkshire Healthcare NHS Foundation Trust | 3 | £0 |
| 2536 | Bernard Matthews Foods Limited | 3 | £0 |
| 2537 | Berrymans Lace Mawer Service Company | 3 | £0 |
| 2538 | Berry Recruitment Ltd | 3 | £0 |
| 2539 | Bestway Panacea Holdings Limited t/a Well Pharmacy | 3 | £0 |
| 2540 | Bestway Retail Limited | 3 | £0 |
| 2541 | Bevancare Ltd | 3 | £0 |
| 2542 | Bibby Distribution Ltd | 3 | £0 |
| 2543 | Birmingham Airport Limited | 3 | £0 |
| 2544 | Birmingham Children’s Trust | 3 | £0 |
| 2545 | Birmingham City University | 3 | £0 |
| 2546 | Blaby District Council | 3 | £16,335 |
| 2547 | Blackwater Equestrian Centre Limited | 3 | £512 |
| 2548 | Blakes Golf Club Limited | 3 | £22,601 |
| 2549 | Blocksure Ltd | 3 | £118,076 |
| 2550 | B.L. Salon Limited | 3 | £5,478 |
| 2551 | Bluebird Care Ltd | 3 | £369 |
| 2552 | Blue Mountain Water Limited | 3 | £939 |
| 2553 | Blueprint Capital Ltd | 3 | £30,576 |
| 2554 | Blueprint Life Limited | 3 | £8,469 |
| 2555 | Blui Limited | 3 | £7,379 |
| 2556 | BM Retail Ltd | 3 | £0 |
| 2557 | Boleyn Road Practice (a partnership) | 3 | £22,409 |
| 2558 | Bollore Logistics UK Ltd | 3 | £0 |
| 2559 | Bombora Wave Power Europe Ltd | 3 | £34,527 |
| 2560 | Borough Council of Bolton | 3 | £0 |
| 2561 | Bosch Thermotechnology Limited | 3 | £0 |
| 2562 | Botleigh Grange Hotel Ltd (in Administration) | 3 | £0 |
| 2563 | Bournemouth and Poole college | 3 | £0 |
| 2564 | Bourse Scot Limited | 3 | £43,967 |
| 2565 | Bouygues E & S FM UK Limited | 3 | £0 |
| 2566 | Boxed Freeze Limited | 3 | £25,859 |
| 2567 | Branch Personnel Limited | 3 | £1,708 |
| 2568 | Breedon Group Services Limited | 3 | £0 |
| 2569 | Breezemount Services Ltd | 3 | £415 |
| 2570 | Brighton & Sussex University Hospital NHS Trust | 3 | £29,631 |
| 2571 | Bristol services Ltd | 3 | £9,078 |
| 2572 | Bristol Waste Company Limited | 3 | £12,808 |
| 2573 | British Business Bank plc | 3 | £0 |
| 2574 | British Gas-Centrica | 3 | £0 |
| 2575 | Britvic Soft Drinks Limited | 3 | £0 |
| 2576 | Broad Manor Inns Limited | 3 | £9,800 |
| 2577 | Brookson Limited | 3 | £0 |
| 2578 | Brotherhood Protection Ltd | 3 | £1,207 |
| 2579 | Brothers of Charity | 3 | £0 |
| 2580 | Brunel University London | 3 | £0 |
| 2581 | Bruton Restaurant Ltd (In voluntary liquidation) | 3 | £15,554 |
| 2582 | BSS Associates Limited | 3 | £102,414 |
| 2583 | BSS Group UK Limited | 3 | £0 |
| 2584 | Buckingham Group Contracting Ltd (in administration) | 3 | £0 |
| 2585 | Buckinghamshire College Group | 3 | £0 |
| 2586 | Buildmaster Construction Services Limited | 3 | £29,254 |
| 2587 | Bunzl UK Limited | 3 | £0 |
| 2588 | Bupa Dental Care | 3 | £0 |
| 2589 | Burnt Ash Pre-School | 3 | £6,707 |
| 2590 | Bury College | 3 | £0 |
| 2591 | Bury Metropolitan Borough Council | 3 | £0 |
| 2592 | Bute House Limited | 3 | £20,665 |
| 2593 | Butterflies EDC Limited | 3 | £6,025 |
| 2594 | C1 Realisations (2020) Limited (In Administration) | 3 | £0 |
| 2595 | Cabin Crew International Ltd | 3 | £0 |
| 2596 | Cadix UK Ltd | 3 | £41,982 |
| 2597 | CAE Crewing Services | 3 | £0 |
| 2598 | Cafe Divino Swindon Ltd | 3 | £5,189 |
| 2599 | Cafe Divino Swindon Ltd t/a Brogans | 3 | £2,984 |
| 2600 | Calderdale and Huddersfield NHS Foundation Trust | 3 | £0 |