| 6001 | Keates Cleaning and Maintenance | 2 | £0 |
| 6002 | Kedleston Group | 2 | £0 |
| 6003 | Keepout Limited (in liquidation) | 2 | £15,319 |
| 6004 | Kego Limited | 2 | £1,815 |
| 6005 | Keith & Debbie Barnett | 2 | £0 |
| 6006 | Keith Perry International Transport Company Limited (in voluntary liquidation) | 2 | £0 |
| 6007 | Kelly Park Limited | 2 | £0 |
| 6008 | Kelly Services UK Ltd | 2 | £0 |
| 6009 | Kendal Care Home | 2 | £0 |
| 6010 | Kenneth Coke | 2 | £0 |
| 6011 | Kenneth Martin Photography Ltd | 2 | £24,346 |
| 6012 | Kent Coach Travel Limited t/a Travelmasters | 2 | £3,055 |
| 6013 | Kent Gurkha Company Ltd | 2 | £5,061 |
| 6014 | Keogh and Savage (Gents Outfitters) Ltd | 2 | £0 |
| 6015 | Keolis Amey Metrolink Ltd | 2 | £0 |
| 6016 | Kerdos International Limited | 2 | £3,612 |
| 6017 | Kershaw Mechanical Services Limited (In Administration) | 2 | £0 |
| 6018 | Kestrel Liner Agencies Ltd | 2 | £0 |
| 6019 | Kettering General Hospital | 2 | £0 |
| 6020 | Kevin Joubert | 2 | £0 |
| 6021 | Kevin Paterson | 2 | £2,070 |
| 6022 | Key Security (UK) Ltd | 2 | £304 |
| 6023 | Keys Group Limited | 2 | £0 |
| 6024 | KGB Cleaning and Support Services Limited | 2 | £0 |
| 6025 | KGD Group Limited | 2 | £3,828 |
| 6026 | KGDK Restaurants Ltd | 2 | £6,056 |
| 6027 | KG Group Limited | 2 | £18,319 |
| 6028 | Khan Morris Accountants Ltd | 2 | £17,988 |
| 6029 | Kickstarted Futures Ltd | 2 | £19,200 |
| 6030 | KidsLoop | 2 | £0 |
| 6031 | Killing Moon Group Limited (in creditors voluntary liquidation) | 2 | £4,843 |
| 6032 | Kilted Kin Ltd | 2 | £0 |
| 6033 | Kimberley-Clark Limited | 2 | £3,000 |
| 6034 | King Arthur Inns Ltd | 2 | £0 |
| 6035 | Kingdom Cleaning Ltd | 2 | £3,000 |
| 6036 | Kingdom LA Support Limited | 2 | £0 |
| 6037 | Kings Arms Hotel (Sandwich) Limited | 2 | £1,369 |
| 6038 | Kings Hotel Trading Ltd | 2 | £3,696 |
| 6039 | Kingshurst Parish Council | 2 | £0 |
| 6040 | Kingsman Haulage Limited | 2 | £2,890 |
| 6041 | Kingsman Property Limited (in liquidation) | 2 | £2,500 |
| 6042 | Kingsmead School | 2 | £0 |
| 6043 | Kings Monkton School Limited | 2 | £0 |
| 6044 | Kings Security Systems Limited | 2 | £0 |
| 6045 | Kingston and Richmond NHS Foundation Trust | 2 | £0 |
| 6046 | Kingston University | 2 | £0 |
| 6047 | Kingston University Service Company (KUSCO) | 2 | £0 |
| 6048 | Kingswood Learning & Leisure Limited (in Administration) | 2 | £0 |
| 6049 | Kiren Foods Limited | 2 | £16,279 |
| 6050 | Kirkby Blinds Direct Limited (In Voluntary Liquidation) | 2 | £14,175 |
| 6051 | Kirklees Council (Adult Social Care) | 2 | £0 |
| 6052 | Kirkley Cycles Limited | 2 | £3,432 |
| 6053 | Kirsty Millsom | 2 | £2,528 |
| 6054 | Kisimul Group Limited | 2 | £0 |
| 6055 | Kitchen G Ltd | 2 | £3,567 |
| 6056 | Kitchens By Jigsaw Limited | 2 | £4,067 |
| 6057 | K & J Solutions Ltd | 2 | £2,007 |
| 6058 | KK Employment Limited | 2 | £2,947 |
| 6059 | Kleos Space Limited | 2 | £0 |
| 6060 | KM Renovations Ltd | 2 | £1,823 |
| 6061 | Knight IT Group Limited | 2 | £0 |
| 6062 | Knighton Tool Supplies | 2 | £0 |
| 6063 | Knightsbridge property services | 2 | £0 |
| 6064 | Kods Restaurants Limited | 2 | £3,618 |
| 6065 | Kolak Snack Foods Limited | 2 | £0 |
| 6066 | Konnor R Kwapisz, trading as Relish It | 2 | £9,833 |
| 6067 | Kosher Deli | 2 | £0 |
| 6068 | KRC Engineering Ltd | 2 | £2,835 |
| 6069 | Kreative Learning Childcare Limited | 2 | £4,216 |
| 6070 | Krv Retail Limited | 2 | £0 |
| 6071 | Kryptos Protocol Ltd | 2 | £15,310 |
| 6072 | KTB Rehabilitation | 2 | £5,970 |
| 6073 | Kteooi Limited | 2 | £3,076 |
| 6074 | Kudos Catering (UK) Limited | 2 | £0 |
| 6075 | Kungfu Fareham Ltd | 2 | £0 |
| 6076 | KW4 Shere | 2 | £5,405 |
| 6077 | Kyocera Document Solutions (UK) Ltd | 2 | £0 |
| 6078 | Kyra Enterprises Limited | 2 | £0 |
| 6079 | Ladbroke Betting and Gaming Limited | 2 | £0 |
| 6080 | Lagan Construction Group Limited (in Administration) | 2 | £23,128 |
| 6081 | Laigh Bent Leisure Ltd | 2 | £5,556 |
| 6082 | Laing O'Rourke Ltd | 2 | £0 |
| 6083 | Lainston Partners Limited | 2 | £16,831 |
| 6084 | Lake Fabrications Ltd | 2 | £13,287 |
| 6085 | Lambeth College | 2 | £4,365 |
| 6086 | Lambeth Law Centre | 2 | £11,696 |
| 6087 | Lanarkshire Global Education Centre | 2 | £0 |
| 6088 | Lancashire Care NHS Foundation Trust | 2 | £0 |
| 6089 | Lancashire County Cricket Club | 2 | £0 |
| 6090 | Lancaster Packing Ltd (in Creditors Voluntary Liquidation) | 2 | £0 |
| 6091 | Land and Building Services Limited (in Administration) | 2 | £0 |
| 6092 | Landmark Group (UK) Ltd | 2 | £9,310 |
| 6093 | Langland Care Ltd | 2 | £0 |
| 6094 | Langton Law Ltd | 2 | £17,088 |
| 6095 | Language House London Ltd | 2 | £3,113 |
| 6096 | Lanistar Ltd | 2 | £72,436 |
| 6097 | Lapa Canine Search Ltd | 2 | £2,971 |
| 6098 | La Planta Ltd | 2 | £5,529 |
| 6099 | Larchwood Care Homes (North) Limited | 2 | £0 |
| 6100 | Larentia Capital Limited | 2 | £482 |