| UK Company Name | Partial Address |
| O & S Doors Limited | DUNGANNON, CO. TYRONE |
| O A Chapman & Son Limited | NORWICH, NORFOLK |
| O&B Security Limited | LYDNEY, GLOUCESTERSHIRE |
| Oadby Plastics Limited | LEICESTER |
| Oadby Wyggestonian Rugby Football Club Limited | Oadby, Leicester |
| Oak C.W.E. Limited | NEWTOWNABBEY, COUNTY ANTRIM |
| Oak Cash & Carry Limited | BANBURY, OXFORDSHIRE |
| Oak Commercials (Newry) Ltd | CLOUGHOGE, NEWRY |
| Oak Cove Ltd | HOUGHTON REGIS, DUNSTABLE |
| Oak Crescent Company Limited | DRAPERSTOWN, MAGHERAFELT |
| Oak Furnitureland Group Limited | SWINDON, WILTSHIRE |
| Oak Grove Cabins Ltd | Maydown Industrial Estate, Derry |
| Oak Hearts Home Renovations Ltd | Yeovil, Somerset |
| Oak Hey Limited | ROSSENDALE, LANCASHIRE |
| Oak House Residents Association Limited | LIVERPOOL |
| Oak House Surveyors Limited | Craigavon, County Armagh |
| Oak Leaf Properties Limited | LONDONDERRY |
| Oak Leasing (Uk) Limited | Linton, Wetherby |
| Oak Leasing Limited | Northwood Hills, Middx |
| Oak Medical Services Limited | BRIGG, SOUTH HUMBERSIDE |
| Oak Mount Developments Ltd | Belvedere |
| Oak Technology Limited | CHELTENHAM, GLOUCESTERSHIRE |
| Oak Tree (Lincolnshire) Care Ltd | Etwall, Derby |
| Oak Tree Court (Ha2) Management Company Limited | WATFORD, HERTS |
| Oak Tree Manor Management Company Limited | LIMAVADY, COUNTY LONDONDERRY |
| Oak-Ngate (Stoke) Limited | STOKE-ON-TRENT, STAFFORDSHIRE |
| Oak-Ngate Limited | Glasgow |
| Oakapple Commercial Limited | WORSLEY, MANCHESTER |
| Oakbank Limited | Bridgend, Mid Glamorgan |
| Oakbrook Finance Limited | 45 WOLLATON STREET, NOTTINGHAM |
| Oakbury Ltd | Caterham, Surrey |
| Oakcliff Developments Limited | SPRINGTOWN INDUSTRIAL ESTATE, DERRY |
| Oakdale Developments Limited | Nr Grantham, Lincolnshire |
| Oakdale Fencing Limited | EXHALL, COVENTRY |
| Oakdate Limited | Mobberley, Knutsford |
| Oakdene Biogas Ltd | CASTLEDERG, TYRONE |
| Oakdene Finance Limited | KILLAY, SWANSEA |
| Oakdene Holdings Limited | SURBITON |
| Oakdene Services (1925) Ltd | MALLUSK, NEWTOWNABBEY |
| Oakes Energy Services Ltd | MANDARIN ROAD, HOUGHTON LE SPRING |
| Oakes Limited | WAKEFIELD, WEST YORKSHIRE |
| Oakfield (Foods) Limited | ELSTREE WAY, BOREHAMWOOD |
| Oakfield Cabinets Ltd | GREYSTONE ROAD, ANTRIM |
| Oakfield Enterprises Limited | BOLTON |
| Oakfield Farm Products Limited | Evesham, Worcestershire |
| Oakfield Financial Ltd | London |
| Oakfield Services (Street) Ltd | Street, Somerset |
| Oakfire Adventures Ltd | LONDONDERRY |
| Oakford Homes Limited | Hedsor, Bucks |
| Oakford Oysters Limited | BLANDFORD FORUM, DORSET |
| Oakham Properties Limited | Birmingham, West Midlands |
| Oakham Wealth Management Ltd | BERKELEY SQUARE, LONDON |
| Oakland Capital Limited | ADMIRALS WAY DOCKLANDS, LONDON |
| Oakland Construction Limited | Hanham, Bristol |
| Oakland Distribution Limited | REDDITCH, WORCESTERSHIRE |
| Oakland Estates Limited | Worcester, Worcestershire |
| Oakland Foods Limited | MOOR MONKTON, YORK NORTH YORKSHIRE |
| Oakland Fuels Limited | MOOR MONKTON, YORK |
| Oakland Insurance Services Ltd | LARNE |
| Oakland International Limited | Redditch, Worcestershire |
| Oakland Properties Ltd | COPTHORNE, WEST SUSSEX |
| Oaklands Automotive Limited | CLEVEDON, SOMERSET |
| Oaklands Environmental Limited | WATER ORTON, BIRMINGHAM |
| Oaklands Furniture Limited | SUGARBROOK ROAD, BROMSGROVE |
| Oaklands Limited | CROYDON, SURREY |
| Oaklands Nursery Limited | Charlton Adam, Somerton |
| Oaklands Plastics Limited | BIRMINGHAM, WEST MIDLANDS |
| Oaklawn Limited | LONDON |
| Oakleaf Carpentry & Joinery Limited | BROCKWELL, CHESTERFIELD |
| Oakleaf Construction Limited | Larkhall |
| Oakleaf Contracts (Europe) Ltd | Castledawson, Magherafelt |
| Oakleaf Homes (Irl) Limited | Castledawson, Magherafelt |
| Oakleaf Ltd | LONDON |
| Oakleaf Partnership Limited | 1 Primrose Street, London |
| Oakleaf Recycling Limited | Stanwell Moor, Staines-Upon-Thames |
| Oakleaf Software Limited | WELHAM GREEN, HERTFORDSHIRE |
| Oaklee Limited | GOSFORTH, NEWCASTLE UPON TYNE |
| Oakleigh Build Ltd | WHETSTONE, LONDON |
| Oakleigh Watches Ltd | 19 UPPER KING STREET, NORWICH |
| Oakley Capital Limited | London |
| Oakley Court Acquisitions Unlimited | WINDSOR ROAD WATER OAKLEY, WINDSOR |
| Oakley Fencing Contractors Ltd | SHEFFIELD, SOUTH YORKSHIRE |
| Oakley'S Fuel Oils Limited | WELLINGTON STREET WEST, HULL |
| Oakleystone Northern Ltd | Redburn Road, Newcastle Upon Tyne |
| Oaklodge Limited | 118 NORTH STREET, LEEDS |
| Oakmed Holdings Limited | LODGE FARM INDUSTRIAL ESTATE, NORTHAMPTON |
| Oakmont Group Ltd | YORK, NORTH YORKSHIRE |
| Oakmont Limited | WEST WAY, OXFORD |
| Oakmore Developments | COLERAINE, LONDONDERRY |
| Oakmount Properties Limited | GLASGOW, SOUTH LANARKSHIRE |
| Oaknorth Bank Plc | SOHO, LONDON |
| Oakridge Management Limited | 112/114 LISBURN ROAD, BELFAST |
| Oaks Close (Tonbridge) Management Company Limited | Tunbridge Wells, Kent |
| Oaks Martial Arts Ltd | Hastings |
| Oaksward Financial Limited | STOKE-ON-TRENT, ENGLAND |
| Oaktree Capital Management (Europe) Llp | 10 BRESSENDEN PLACE, LONDON |
| Oaktree Capital Management (Uk) Llp | 10 Bressenden Place, London |
| Oaktree Garden Centre Online Limited | Warfield, Bracknell |
| Oaktree Healthcare Limited | Huddersfield, West Yorkshire |
| Oaktree Wood Moulding Ltd | OMAGH, TYRONE |
| Oakvale Lumber Co Ltd | TOOMEBRIDGE, ANTRIM |
| Oakview Trading Limited | BELFAST, COUNTY ANTRIM |
| Oakway Limited | BODMIN, CORNWALL |
| Oakwell Executive Search Limited | Haywards Heath, West Sussex |
| Oakwest Birmingham Limited | JOEL STREET, NORTHWOOD |
| Oakwood 2000 Limited | Beckenham, Kent |
| Oakwood Builders Limited | HESWALL, WIRRAL |
| Oakwood Building Contractors Limited | EPSOM, SURREY |
| Oakwood Building Solutions Limited | Ashford, Kent |
| Oakwood Door Designs Limited | TOOMEBRIDGE, CO ANTRIM |
| Oakwood Energy Limited | WINSFORD |
| Oakwood Farms Ltd | KING'S LYNN, NORFOLK |
| Oakwood Fire And Safety Solutions Limited | NARBOROUGH, KING'S LYNN |
| Oakwood Integrated Primary School Limited | BELFAST, ANTRIM |
| Oakwood Kitchens Limited | HUDDERSFIELD, WEST YORKSHIRE |
| Oakwood Leisure Limited | LONGLOOMS ROAD EAST, ELLESMERE PORT |
| Oakwood Limited | URMSTON, MANCHESTER |
| Oakwood Nominees Limited | LEEDS |
| Oakwood Plant Group Limited | Edmonton, London |
| Oakwood School | CHICHESTER, WEST SUSSEX |
| Oakwood Specialist Colleges Limited | TIVERTON, DEVON |
| Oakwrights Bath Ltd | Corsham, Wiltshire |
| Oasis - Caring In Action | BELFAST |
| Oasis Air Conditioning Limited | STOCKPORT, CHESHIRE |
| Oasis Aquila Housing Ltd | Sunderland Road, Gateshead |
| Oasis Dental Care (Central) Limited | Hambrook, Bristol |
| Oasis Dental Care (Southern) Limited | Hambrook, Bristol |
| Oasis Dental Care Limited | Hambrook, Bristol |
| Oasis Design Studio Ltd | LARNE, ANTRIM |
| Oasis Europe Limited | READING, BERKS |
| Oasis Foods Limited | BURTON-ON-TRENT |
| Oasis Group Ni Limited | Craigavon, Co Armagh |
| Oasis Healthcare Limited | Hambrook, Bristol |
| Oasis Interior Landscapes Limited | Ryde, Isle Of Wight |
| Oasis Land Development Limited | SOUTHPORT, MERSEYSIDE |
| Oasis Limited | NORTHWOOD, MIDDLESEX |
| Oasis Merchandising Limited | BERNERS STREET, LONDON |
| Oasis Retail Services Limited | NEWTOWNABBEY, COUNTY ANTRIM |
| Oasis South Ltd | POOLE, DORSET |
| Oasis Trading | 50 HANS CRESCENT, LONDON |
| Oasis Travel (N.I.) Limited | LISBURN, CO. ANTRIM |
| Oasis Uk North Limited | Stanford-Le-Hope, Essex |
| Oasis Village Trust | MONEYREA, NEWTOWNARDS |
| Oasis Wine Shop Limited | DORCHESTER, DORSET |
| Oasis Youth Centre Limited | CRAIGAVON, COUNTY ARMAGH |
| Oasys Technologies Limited | SANDY |
| Oates Contracting Services Limited | WAKEFIELD, WEST YORKSHIRE |
| Oatfield Limited | BICKLEY, KENT |
| Oatfield Properties Limited | 2 LEMAN STREET, LONDON |
| Oatmeal Of Alford Limited | LAURENCEKIRK, KINCARDINESHIRE |
| Oaxaca Limited | LONDON |