| 43901 | Officine International Limited | 1 | £0 |
| 43902 | Offset Architects Limited | 1 | £0 |
| 43903 | Offshore Design Engineering Limited (In administration) | 1 | £0 |
| 43904 | Offshore Helicopter Services UK Limited | 1 | £0 |
| 43905 | Offshore Renewable Energy Catapult | 1 | £0 |
| 43906 | Offshore Wind Power Marine Services Limited | 1 | £0 |
| 43907 | Off The List Luxury Limited | 1 | £0 |
| 43908 | Off The Wall Recruitment Limited | 1 | £0 |
| 43909 | Off-World Industries Ltd | 1 | £0 |
| 43910 | Of Housing Associations | 1 | £0 |
| 43911 | O'Flinn Limited | 1 | £500 |
| 43912 | Of the High School of Dundee | 1 | £0 |
| 43913 | Of the Strathclyde Law Clinic Eastern Western Motor Group st | 1 | £0 |
| 43914 | Ogden v Assist Healthcare Ltd | 1 | £0 |
| 43915 | Ogden Water Limited | 1 | £0 |
| 43916 | OGM Plastics South Wales | 1 | £0 |
| 43917 | Ogunlowo v Compass Group UK and Ireland Ltd | 1 | £0 |
| 43918 | Oguzie v London Borough of Newham | 1 | £0 |
| 43919 | OGV Taproom | 1 | £0 |
| 43920 | O’Hara Bros Surfacing Ltd | 1 | £0 |
| 43921 | OHC Services Limited T/a Right At Home | 1 | £0 |
| 43922 | O Heap & Son (Derby) Ltd | 1 | £0 |
| 43923 | OH Greenhill Limited | 1 | £0 |
| 43924 | OHM Clothing Ltd | 1 | £3,000 |
| 43925 | Oho Group Ltd | 1 | £0 |
| 43926 | Oil Consultants Ltd | 1 | £0 |
| 43927 | Oilean (Training and Nurture) Ltd | 1 | £0 |
| 43928 | Oil States Industries (UK) Limited | 1 | £0 |
| 43929 | O-I Manufacturing UK Ltd | 1 | £0 |
| 43930 | Oishii Pan Asian Ltd | 1 | £0 |
| 43931 | OJC Haulage Limited | 1 | £0 |
| 43932 | OKA Direct Limited RECORD OF A PRELIMINARY HEARING | 1 | £0 |
| 43933 | OK Diners Limited | 1 | £0 |
| 43934 | Okine v Lewisham and Greenwich NHS Trust | 1 | £0 |
| 43935 | Oktra Limited | 1 | £0 |
| 43936 | Ola Adamson | 1 | £0 |
| 43937 | Ola Cabs | 1 | £0 |
| 43938 | Ola Electric UK Private Limited Under | 1 | £0 |
| 43939 | Olaiya v Balgores Property Services Ltd | 1 | £0 |
| 43940 | Olam Quality Care Ltd (Caremark Ealing) | 1 | £0 |
| 43941 | Old Bells Construction & Demolition Limited | 1 | £0 |
| 43942 | Oldbrook Hire Ltd | 1 | £0 |
| 43943 | Old Chain Pier | 1 | £0 |
| 43944 | OLD CO CWN Ltd (In Administration) - Formerly known as CW (No 1 Ltd) | 1 | £0 |
| 43945 | Olde England Limited | 1 | £0 |
| 43946 | Old Hall Consultancy Limited | 1 | £0 |
| 43947 | Old Hall Inns And Taverns Ltd | 1 | £0 |
| 43948 | Oldham College | 1 | £0 |
| 43949 | Oldham Job Centre (DWP) | 1 | £0 |
| 43950 | Oldham MBC | 1 | £0 |
| 43951 | Old Macmillan Company Ltd | 1 | £0 |
| 43952 | Old Mutual Wealth Business Services | 1 | £0 |
| 43953 | Old Newton Sports & Social Club | 1 | £0 |
| 43954 | Old Oscott Sports and Social Club Limited | 1 | £0 |
| 43955 | Old Rectory (Bramshall) Limited | 1 | £0 |
| 43956 | Old Road Medical Practice | 1 | £0 |
| 43957 | Old St Labs Limited | 1 | £0 |
| 43958 | Old Town Apartments Ltd | 1 | £0 |
| 43959 | Old Town Bakehouse Limited | 1 | £0 |
| 43960 | Old Vale Bar | 1 | £0 |
| 43961 | Old White Horse Pontneddfechan Limited | 1 | £0 |
| 43962 | Oleksandr Taruta | 1 | £0 |
| 43963 | Ole Ole Tapas | 1 | £0 |
| 43964 | Oleria Limited HELD by Cloud Video Platform (CVP) at Leeds | 1 | £0 |
| 43965 | Oliha v Securitas Security Ltd | 1 | £0 |
| 43966 | Olive And Grape Catering Limited | 1 | £0 |
| 43967 | Olive and Herbs Ltd | 1 | £1,569 |
| 43968 | Olive Banquet Ltd | 1 | £0 |
| 43969 | Olive Catering Services Tribunal: Midlands West (on papers) | 1 | £0 |
| 43970 | Olive Dining Ltd | 1 | £0 |
| 43971 | Olive Grove Oundle Limited | 1 | £0 |
| 43972 | Olive Modular Ltd | 1 | £5,840 |
| 43973 | Oliver Bernard Ltd | 1 | £0 |
| 43974 | Oliver Bonas | 1 | £0 |
| 43975 | Oliver Bros. (Restaurant) Ltd | 1 | £0 |
| 43976 | Oliver Cooper | 1 | £475 |
| 43977 | Oliver Hurren (Oliver James Estates of East Anglia) | 1 | £0 |
| 43978 | Oliver Kent-Braham | 1 | £0 |
| 43979 | Oliver Lawrence Counsel | 1 | £0 |
| 43980 | Oliver McGuiness | 1 | £0 |
| 43981 | Oliver Perry Ltd | 1 | £0 |
| 43982 | Oliver Saffell | 1 | £0 |
| 43983 | Oliver’s Barbers Manchester Limited | 1 | £0 |
| 43984 | Oliver’s Bridal and Formalwear Limited | 1 | £0 |
| 43985 | Oliver’s Cleaning Contractors Limited | 1 | £0 |
| 43986 | Oliver’s Hairstyling Hale Ltd and Vocla Ltd | 1 | £0 |
| 43987 | Olivers Mill Cleaning & Maintenance LLP | 1 | £0 |
| 43988 | Oliver Walton Limited t/a Cityrooms | 1 | £0 |
| 43989 | Olives Solicitors Limited | 1 | £0 |
| 43990 | Oliveto & Olivo Ltd | 1 | £0 |
| 43991 | Olive Tree Brasserie Chester Ltd | 1 | £0 |
| 43992 | Olive Tree Brasserie Preston Limited | 1 | £0 |
| 43993 | Olive Tree Brasserie Stockton H Limited | 1 | £0 |
| 43994 | Olivex (UK) Limited | 1 | £0 |
| 43995 | Olivia Catering Limited | 1 | £0 |
| 43996 | Olivia Cooper (discharged 14 October 2019) | 1 | £0 |
| 43997 | Olivia Qizilbash | 1 | £0 |
| 43998 | – Olivier Adam | 1 | £0 |
| 43999 | Olivier Delicatessen Ltd | 1 | £0 |
| 44000 | Ollybear Online Ltd | 1 | £0 |