All Industry Company Index - O
- Oakleaf Technical Services Ltd. - Northampton
- Oakleaf Worcestershire - Droitwich
- Oakleaze Systems Ltd - Cardiff
- Oakleigh Cabinets Ltd - Altrincham
- Oakleigh Cases Ltd. - Potters Bar
- Oakleigh Consulting Ltd. - Manchester
- Oakleigh Engineering Ltd - Burntwood
- Oakleigh Home Improvements - Ashford
- Oakleigh Homes (Yorkshire) Ltd - Rotherham
- Oakleigh Kitchens Institute - Crawley
- Oakleigh Manor Ltd - Faversham
- Oakleigh Resourcing Ltd - Knutsford
- Oakley - London
- Oakley & Son - Coventry
- Oakley (U.K.) Ltd - Letchworth
- Oakley Academy - Ashford
- Oakley Air Conditioning Ltd - Stoke on Trent
- Oakley Architects Ltd - Sutton Coldfield
- Oakley Arnold Ltd. - Broseley
- Oakley Coach Builders - Attleborough
- Oakley Coachbuilders - Ware
- Oakley Cycles - Northampton
- Oakley Environmental Ltd - Maidenhead
- Oakley Global Business Solutions - Basildon
- Oakley Global Business Solutions Ltd - Basildon
- Oakley Global Property Ltd - Basildon
- Oakley Integrated Business Solutions Ltd - Basildon
- Oakley Interiors (Uk) Ltd - Shildon
- Oakley Interiors Ltd - Farnham
- Oakley Limos Ltd - Basingstoke
- Oakley M V B - Rye
- Oakley Media Ltd - Rugby
- Oakley Mini Diggers - Basingstoke
- Oakley Mini Diggers - Basingstoke
- Oakley Mobile Ltd - Basildon
- Oakley Mobile Ltd - Basildon
- Oakley Nursery - Wisbech
- Oakley of Brentwood - Brentwood
- Oakley Planning & Conservation Ltd - Devizes
- Oakley Plant Ltd - Scarborough
- Oakley Plumbing Supplies Ltd - Corby
- Oakley Products Ltd. - Corby
- Oakley Project Management Solutions Ltd - Market Drayton
- Oakley Publishing - Taunton
- Oakley Self Service - Aylesbury
- Oakley Soils and Concrete Engineering Ltd - Bury St Edmunds
- Oakley Technology Ltd - Isleworth
- Oakley Turf Farm - Colchester
- Oakley Wilkinson Bryan Ltd - Birmingham
- Oakley Wine Agencies Ltd - Colchester
- Oakley's Fuel Oils Ltd - Telford
- Oakley's Fuel Oils Ltd (Tamworth) - Tamworth
- Oakleys Agricultural Accountants - Hereford
- Oakleys Executive Cars - Plymouth
- Oakleys Frozen Foods - Llandrindod Wells
- Oakleys of Stanmore - Stanmore
- Oakline Construction Ltd - Woking
- Oakline Developments Ltd - Tewkesbury
- Oaklodge Energy Ltd - Accrington
- Oaklodge Homes Wessex Ltd. - Calne
- Oaklyn Construction Ltd. - Macclesfield
- Oakmace Exhibitions Ltd. - Waltham Abbey
- Oakmain Ltd. - Newport
- Oakmasters - Haywards Heath
- Oakmed Ltd - Northampton
- Oakmere - Bognor Regis
- Oakmere - Manchester
- Oakmere Safety Consultancy - Northwich
- Oakmere Technical Services Ltd. - Chester
- Oakmil Developments Ltd - Exeter
- Oakminster - Darlington
- Oakmoor - London
- Oakmoor - Tonbridge
- Oakmoore Contractors Ltd - Bognor Regis
- Oakmount Control Systems Ltd - Plymouth
- Oakmount Estates Ltd. - Surbiton
- Oakmount Ltd - Ware
- Oakmount Outdoor Living - Magherafelt
- Oakpark Alarms Security Services Ltd - Buckingham
- Oakpark Roofing - Harwich
- Oakpark Trading Ltd - Stanmore
- Oakpath Ltd - Enfield
- Oakrange Engineering Ltd - Rotherham
- Oakridge Business Aid - Rotherham
- Oakridge Developments Uk Ltd - Farnborough
- Oakridge Direct Ltd. - Tredegar
- Oakridge I T Ltd. - Bristol
- Oakridge Internet Ltd. - Prenton
- Oakridge Timber Ltd - Romsey
- Oakrigg Sawmill - Moffat
- Oakroyd Engineering Ltd. - Fleet
- Oakroyd Hotel - Hartlepool
- Oaks Consultancy Ltd - Solihull
- Oaks Millennium Technology Initiative Ltd - Barnsley
- Oaks Plant Hire Ltd. - Sevenoaks
- Oaks Superstore - Birmingham
- Oakshore Ltd. - London
- Oakside Classic Clocks - Tadley
- Oaksmere Design - Castleford
- Oaksmere Refrigeration Design & Consultancy Ltd. - Stowmarket
- Oakson Leisure Finance Ltd - Holywell
- Oakstead (Homes) Ltd. - Leatherhead
- Oakstead Developments - Fleet
- Oakstone - Executive Search and Executive Recruitment Services - Poole
- Oakstone Developments Ltd - Ilkley
- Oakstone Ltd - High Wycombe
- Oakstrong Engineering Ltd. - Seascale
- Oaksure Ltd - Nottingham
- Oakswood Ltd. - Preston
- Oaksys Tech Ltd - London
- Oaktarget Ltd. - Leicester
- Oaktex Ltd - London
- Oakthrift Corporation Ltd. - Borehamwood
- Oaktree Carriages - Macclesfield
- Oaktree Communications Ltd - Winsford
- Oaktree Construction (Wales) Ltd - Swansea
- Oaktree Consulting - Knebworth
- Oaktree Executive Ltd. - Yateley
- Oaktree Frames - Solihull
- Oaktree Interiors - Reading
- Oaktree Interiors Ltd. - Wokingham
- Oaktree Joinery - Stoke on Trent
- Oaktree Joinery Ltd - Westbury
- Oaktree Kitchens (Uk) Ltd - Birmingham
- Oaktree Nurseries Plants Ltd - Boston
- Oaktree Packaging Co. Ltd - Bristol
- Oaktree Pine - Birmingham
- Oaktree Venture Ltd - London
- Oaktree Wholesale - Bury St Edmunds
- Oaktrees Ltd - Manchester
- Oakuk.Com Ltd - Birmingham
- Oakvale Contractors - Daventry
- Oakvale Lumber Co. - Antrim
- Oakville Ltd. - London
- Oakwade Ltd - Hartlepool
- Oakway CCTV Sound and Light - Southminster
- Oakway International Ltd - Kings Lynn
- Oakway Ltd - Croydon
- Oakway Mechanical Equipment - Northampton
- Oakweb Design Ltd. - Mansfield
- Oakwell Brand - Liverpool
- Oakwell Brewery - Barnsley
- Oakwell Fabrications - Barnsley
- Oakwell Fencing - Leeds
- Oakwell Management Services Ltd. - Ilkeston
- Oakwell Packaging Ltd - Batley
- Oakwell Paving - Leeds
- Oakwell Repairs - Barnsley
- Oakwood Air Conditioning - Cheadle (Cheshire)
- Oakwood Aromatics - Ripon
- Oakwood Business Systems Ltd. - Royston
- Oakwood Carpentry & Upvc - Walsall
- Oakwood Construction & Development Co. Ltd. - Sittingbourne
- Oakwood Construction (Derby) Ltd. - Derby
- Oakwood Corporation Ltd - Loughton
- Oakwood D C Ltd - Bristol
- Oakwood Demolition Ltd - London
- Oakwood Engineering Services Ltd - Manchester
- Oakwood Fencing Services Ltd. - Colchester
- Oakwood Fine Art - London
- Oakwood Fire & Safety Solutions Ltd - Kings Lynn
- Oakwood Foods Ltd - Glasgow
- Oakwood Fuels Ltd. - Newark
- Oakwood Groundworks (Holdings) Ltd - Waterlooville
- Oakwood Landscaping & Tree Care - Gloucester
- Oakwood Londis - Gateshead
- Oakwood Mantels of Leek - Leek
- Oakwood Media Group Ltd - Bristol
- Oakwood Nursery - Waltham Abbey
- Oakwood Plant Group Ltd. - London
- Oakwood Professional Services Ltd - Chessington
- Oakwood Roofing - Leeds
- Oakwood Upholstery Ltd. - Warrington
- Oakwood Visuals - Usk
- Oakwood-Spinks Ltd - St Austell
- Oakwoods Ice Cream - Bedale
- Oakworth Homes Ltd - Sheffield
- Oakwrights Ltd - Farnham
- Oamaru Developments Ltd - Belfast
- Oamec Consulting Ltd - Beverley
- Oamps (U K) Ltd. - Esher
- Oanablok - Mold
- Oaq Wales - St Asaph
- Oareford Enterprises - Lynton
- Oarsport Ltd - Nottingham
- Oas (Uk) Ltd - Wallasey
- Oas Electronics Ltd - Macclesfield
- Oascom Ltd - Potters Bar
- Oase (U K) Ltd - Andover
- Oasis & Whistles - London
- Oasis (Uk) Ltd - Kingston upon Thames
- Oasis Aquarium - Salford
- Oasis Art & Craft Products Ltd. - Kidderminster
- Oasis Art & Graphics - Birmingham
- Oasis Blinds - Caerphilly
- Oasis Blinds - Liverpool
- Oasis Blinds & Flooring - Kidderminster
- Oasis Business Centres Ltd - London
- Oasis Cladding Ltd. - Richmond
- Oasis Computer Systems - Norwich
- Oasis Conservatories Ltd - Solihull
- Oasis Design Studio - Antrim
- Oasis Electronics Ltd - Milton Keynes
- Oasis Electronics Ltd - Milton Keynes
- Oasis Enterprises Ltd - Loughton
- Oasis Environmental Ltd - Chesterfield
- Oasis Europe Ltd. - Reading
- Oasis Foods Ltd. - High Wycombe
- Oasis for Hair Ltd - Boston
- Oasis Gardens - Bedford
- Oasis Global Systems Ltd - Hemel Hempstead
- Oasis Hydroponics - Birmingham
- Oasis Inclusion Academy Ltd - Hertford
- Oasis Interior Landscaping - Sandbach
- Oasis Interiors Ltd - Southampton
- Oasis Labels - Manchester
- Oasis Landscapes - Leigh
- Oasis Limos - Maidstone
- Oasis Limos Bromley - Maidstone
- Oasis Limousines Ltd - Bradford
- Oasis Ltd - Slough
- Oasis Mechanical Designs Ltd - Burnley
- Oasis Metal Products Ltd. - Monmouth
- Oasis Microtechnologies Ltd - Rossendale
- Oasis Personnel Ltd - Northampton
- Oasis Plumbing & Heating (Sheerness) - Sheerness
- Oasis Pool Products - Sandwich
- Oasis Pools & Spas Ltd - Spalding
- Oasis Print and Labelling - Manchester
- Oasis Products Limited - Feltham
- Oasis Products Vending Services Ltd - Feltham
- Oasis Records Management Ltd - Reading
- Oasis Recruitment Ltd. - Stevenage
- Oasis Refrigeration and Air Conditioning - Londonderry
- Oasis Safety Solutions Ltd - Port Talbot
- Oasis Search Ltd. - London
- Oasis Software Ltd - Fleet
- Oasis Sound & Lighting Centre - Bristol
- Oasis Sun & Beauty - Widnes
- Oasis Sun Centre & Salon - St Helens
- Oasis Tableware - Coventry
- Oasis Tanning Centres Ltd - Bury
- Oasis Television Ltd. - London
- Oasis Training Consultancy Ltd - Chertsey
- Oasis Urban Estates Ltd - Sheffield
- Oasis Water Garden Products Ltd. - Eastleigh
- Oasis Watering - Teddington
- Oasis Wholefoods - Rickmansworth
- Oasis Wine Cellars Ltd - Benfleet
- OasisBars - Northampton
- OasisLabels - Manchester
- Oast House Marketing Ltd. - Ashford
- Oast House Media Ltd. - Deal
- Oasthouse Engineering Ltd. - Sheffield
- Oaston Engineering Ltd. - Nuneaton
- Oasys Ltd - London
- Oasys Training & Safety Services Ltd - Solihull
- Oasys Uk Ltd - Biggleswade
- Oasys-It Ltd - Colchester
- OAT (Oxford Automotive Technologies) Ltd - Daventry
- Oat Services Ltd - Southampton
- Oat so Good Co Ltd - Swansea
- Oates Brewing Company - Halifax
- Oates Builders - Batley
- Oates Fork Lift Trucks - Selby
- Oates R F H & Son - Newark
- Oatley Vineyard - Bridgwater
- Ob Video Productions - Coleraine
- Ob10 Ltd - London
- Obaby Ltd - Gainsborough
- Obam Domestic Lifts Services Ltd. - Lincoln
- Obama Catering Furniture Manufacturer Ltd - Smethwick
- Oban Memorials - Oban
- Oban Paints & Wallpaper - Oban
- Oban Precision Instruments - Oban
- Oban Scallop Gear - Oban
- Oban Stove Centre Ltd - Stirling
- Obara Corporation - Derby
- Obart Pumps Ltd - Maidstone
- OBAS UK Ltd - Preston
- Obas Uk Ltd - Preston
- Obatec Ltd - London
- Obc Cost Consultants Ltd - Rainham
- OBD Systems Ltd - Trowbridge
- Obdisk Services Ltd - Alton
- Obe - Ringwood
- OBE Fabrications Ltd - Chichester
- Obek (U.K.) Ltd - Wellingborough
- Obelisk Carpentry - Wellingborough
- Obelisk Engineering - Wellingborough
- Oberda & Co. Ltd. - London
- Obergine - Oxford
- Obergine - Oxford
- Oberlanders Architects Llp - Edinburgh
- Oberlin Filter Ltd - Newton Aycliffe
- Oberoi Consulting Ltd - Derby
- Oberon Books Ltd - London
- Oberon Clothing & Accessories Ltd - Shrewsbury
- Oberon Engineering Ltd. - Havant
- Oberon I T & Photographics Ltd. - Sheffield
- Oberon International Ltd - Birmingham
- Oberon Media (Uk) Ltd - Inverkeithing
- Obertelli Steels - Bodorgan
- Obex Business Systems - Halesowen
- Obex Protection - Worcester
- Obi & Moo - Nottingham
- Objdar - Scarborough
- Object Architecture Ltd. - London
- Object Business Computer Services - Stamford
- Object Centric Ltd - Derby
- Object Design - London
- Object Marketing Ltd - London
- Object Media Ltd - Ely
- Object Professionals Ltd - Harrow
- Object Refinery Ltd - Harpenden
- Object Synergy Ltd - Lowestoft
- Object View Ltd - St Albans
- Object-Source Llp - Tunbridge Wells
- Objectbase - Basingstoke
- Objective Answers Ltd - Cheltenham
- Objective Associates Ltd - Stirling
- Objective Computing Ltd - Chelmsford
- Objective Corporation U K Ltd - Maidenhead
- Objective Intuition Ltd. - Ware
- Objective It Services.Com - Falmouth
- Objective Results Ltd - Reading
- Objective Services Ltd. - Aldershot
- Objective Solutions - Leeds
- Objective Worldwide Learning Ltd - London
- Objectives - London
- Objectivity Ltd - Coventry
- Objectronics Ltd - Burgess Hill
- Objectware Ltd - Crawley
- Objektif Ltd - London
- Objet Printer Solutions - Derby
- Objets D'Art - East Grinstead
- Objets D'Art - Ripon
- Obl Realisations 2011 Ltd - Bristol
- Oblinko Ltd - Leeds
- Oblong Tech Ltd - London
- Obmtec Uk Ltd - Lincoln
- Obo Ltd - London
- Oboit Ltd - Fleetwood
- Oboyle Roofing Ltd - Ballymena
- Obp - Bath
- OBR Occupational Services Ltd - Telford
- Obrien Waste Management - Hartlepool
- Obrien Waste Recycling Solutions Ltd - Wallsend
- Obs Enviro Ltd - Inverness
- Obs Logistics Ltd - Liverpool
- Obscura Access - Braintree
- Observation 247 Ltd - Stoke on Trent
- Observatory Sciences Ltd - Cambridge
- Obsession Fine Diamond Jewellery - Birmingham
- Obsideo Technologies Ltd. - Dorchester
- Obsidian Art - Aylesbury
- Obsidian Engineering Consultants Ltd - Aberdeen
- Obsolete & Metric Tools - Lowestoft
- Obsys Computer Consultants - Swindon
- Obsys Projects Ltd - Swindon
- Obtainrare Ltd - Hartlepool
- Obtainwise Ltd - Northampton
- Obvious Improvements - Edenbridge
- Obviously Morgan Ltd - Glasgow
- Oby Logistic Services Ltd. - London
- OC Floor Screeding Ltd - London
- OC Interiors - Southampton
- OC Services - Northampton
- Oca UK Ltd - Colchester
- Ocado Ltd. - Hatfield
- Ocanom Ltd - Frome
- Ocas Ltd. - Maidenhead
- Ocb Construction Ltd - Caterham
- Ocb Media Ltd - Leicester
- Occ Computer Personnel (Northern) Ltd. - Nantwich
- OCC Recruitment Consultants - Hove
- Occam Digital Ltd - Watford
- Occam Editorial Services - Huddersfield
- Occam Financial Technology - London
- Occam Hr Ltd. - Saffron Walden
- Occam Systems Ltd. - Ludlow
- Occasional Cakes - Brierley Hill
- Occasional Cakes - Ipswich
- Occasional Chair Co - Honiton
- Occasional Gifts Ltd - Hitchin
- Occasional Tax Services Ltd - Huddersfield
- Occasional Time - Hessle
Occasionally Cards - Westcliff on Sea- Occasionally Yours - Luton
- Occasions - Manchester
- Occasions - Manchester
- Occasions (Burslem) Ltd (Grimsby) - Grimsby
- Occasions Bridal Cars - Coatbridge
- Occasions by Carol Baker - Stockport
- Occasions Cake Craft & Gifts - Herne Bay
- Occasions Cake Studio - Grays
- Occasions Catering Hire - Dunmow
- Occasions Catering Hire Ltd. - Dunmow
- Occhea Ltd - Solihull
- Occhnet - Carmarthen
- Occhnet Ltd - Carmarthen
- Occident Ltd. - Leeds
- Occlutech (Uk) Ltd - High Wycombe
- OCCO Coolers Telford Ltd - Telford
- Occupancy Marketing - Edinburgh
- Occupational Counselling Consultants - Hove
- Occupational Health & Environmental Assessments Ltd - Totland Bay
- Occupational Health & Safety Management & Training - Tain
- Occupational Health & Safety Services - Edinburgh
- Occupational Health Surveillance Services Ltd - Leeds
- Occupational Medicals Ltd. - Manchester
- Occupational Performance Solutions Ltd. - Worcester
- Occupational Risk Management Ltd - Lincoln
- Occupational Testing & Recruitment - Worksop
- Occupational Testing Ltd. - Worthing
- Oce (Uk) (Jarrow) - Jarrow
- Oce (Uk) Finance Ltd - Brentwood
- Oce (Uk) Ltd - Manchester
- Oce (Uk) Ltd (Birmingham) - Birmingham
- Oce Graphics U K Ltd. - Brentwood
- Oce Imagistics (Uk) Ltd - Brentwood
- Oce-Consultancy Services (Uk) Ltd - Brentwood
- Oce-Copiers (Uk) Ltd - Brentwood
- Oce-Engineering Systems (U K) Ltd - Brentwood
- Oce-Printing Systems (U K) Ltd - Brentwood
- Ocean - Antrim
- Ocean - Canvas Uk - Plymouth
- Ocean 5 (49) Ltd - Bournemouth
- Ocean Air Distribution Ltd - Nottingham
- Ocean Air Distribution Ltd. - Horsham
- Ocean Bathroom - Bridport
- Ocean Bathrooms - Warrington
- Ocean Bathrooms Tiles and Heating Ltd - Colne
- Ocean Bear Ltd - London
- Ocean Blue Quota Company Ltd - Peterhead
- Ocean Blue Sailing & Golf Trophies - Malpas
- Ocean Blue Software - Bristol
- Ocean Bounty Ltd - Grimsby
- Ocean Bridge Associates - Plymouth
- Ocean Builders Supplies - London
- Ocean Building Supplies - London
- Ocean Cad Ltd - Laurencekirk
- Ocean Chemicals Ltd - Glossop
- Ocean City Recruitment Ltd - Portsmouth
- Ocean City Recruitment Ltd - Southampton
- Ocean Computer Systems - Pentraeth
- Ocean Contract Cleaning Ltd. - Luton
- Ocean Corporate Hygiene - Sunbury on Thames
- Ocean Data & Voice Services Ltd - Southampton
- Ocean Delights - Maidstone
- Ocean Design & Management Ltd. - High Wycombe
- Ocean Direct Imaging Ltd - Leeds
- Ocean Direct Ltd - Southampton
- Ocean Display Ltd - Sutton Coldfield
- Ocean Dynamics - Haverfordwest
- Ocean Dynamics UK Ltd - Stockport
- Ocean Edge Services Ltd - Southampton
- Ocean Electronics Ltd - Gosport
- Ocean Energy Systems Ltd - Crewe
- Ocean Engineering (Fire) Ltd - Penryn
- Ocean Engineering Services Ltd - Accrington
- Ocean Environmental Ltd - Fareham
- Ocean Events Ltd - Ringwood
- Ocean Fresh Fish - Yarmouth
- Ocean Fresh Seafoods - Grimsby
- Ocean Green Marine - Exeter
- Ocean Grove Developments Ltd - Reading
- Ocean Hairdressing - Wrexham
- Ocean Harvest - Plymouth
- Ocean Homes Ltd - Newmilns
- Ocean Images (Bolton) Ltd - Bolton
- Ocean Industrial Cleaning - Hoddesdon
- Ocean Instruments Ltd - Edinburgh
- Ocean Internet Solutions - Newquay
- Ocean Jewellery Ltd - Edinburgh
- Ocean Kinetics Ltd. - Shetland
- Ocean King Ltd - Loughborough
- Ocean Life Aquatics - Hyde
- Ocean Lifts - Barnstaple
- Ocean Lighting Ltd - Middlesbrough
- Ocean Management Consultants Ltd - Wembley
- Ocean Management Ltd - Harrogate
- Ocean Maths - London
- Ocean Meat & Trading Co. - Southampton
- Ocean Media Group - London
- Ocean Optics - Basildon
- Ocean Partners - Gravesend
- Ocean Press - Lancing
- Ocean Press & Publishing Ltd. - London
- Ocean Publishing & Technical - Chelmsford
- Ocean Quality Foods - Bridgend
- Ocean Rainwear Ltd. - Milton Keynes
- Ocean Scientific International Ltd. - Havant
- Ocean Services (Sw) Ltd - St Austell
- Ocean Shipping Consultants Ltd. - Chertsey
- Ocean Sky Aviation Ltd. - London
- Ocean Solar - Southampton
- Ocean Solar Ltd - Southampton
- Ocean Spray International Services (U.K.) Ltd - Bracknell
- Ocean Straits Ltd - Sheffield
- Ocean Structures Ltd - Laurencekirk
- Ocean Surveyors Ltd - Bristol
- Ocean Swimming Pools Ltd - Tipton
- Ocean Systems (UK) Ltd - Wilmslow
- Ocean Systems Ltd. - Fleet
- Ocean Technical Systems Ltd. - Sutton
- Ocean Telecom Ltd - Bury St Edmunds
- Ocean Telecom Uk Ltd Mobile Phones Accessories (Oswestry) - Oswestry
- Ocean Timber & Plywood Ltd - Ware
- Ocean Traders - Thurso
- Ocean Uk Import & Export Ltd - London
- Ocean Venture Seals Ltd. - Hornsea
- Ocean View - Lancing
- Ocean Work Systems Ltd. - Westhill
- Ocean Yacht Deliveries - Mold
- Ocean Yacht Mouldings - Lymington
- Ocean Yacht Mouldings - Lymington
- Ocean-Design Co. Uk Ltd - Cranbrook
- Ocean-Tec Systems - Aberdeen
- Oceanair - Bourne End
- OceanAir - Bristol Office - Bristol
- OceanAir - London Office - London
- OceanAir - Nottinghamshire Office - Kirkby in Ashfield
- OceanAir - Sussex Office - Horsham
- Oceanair Marine Ltd. - Chichester
- Oceanamber Ltd - Saltburn by the Sea
- Oceanblue Chandlery - Helston
- Oceanchem Ltd - Slough
- Oceancraft Ltd - Southampton
- Oceaneering International Services Ltd. - Aberdeen
- Oceaneering International Services Ltd. - Gloucester
- Oceaneering Multiflex - Dunfermline
- Oceanfront Global Marketing Ltd - Chelmsford
- Oceangrove Geoscience Ltd - Ellon
- Oceanic (S W) Ltd. - Honiton
- Oceanic Jewellers Ltd - London
- Oceanic Maritime Ltd. - London
- Oceanic Resources International Ltd. - Ware
- Oceanic Services Ltd. - Bristol
- Oceanis Bathroom Studio Ltd. - Barnsley
- Oceanlight Ltd - Cradley Heath
- Oceans Electric Ltd - Inverurie
- Oceans Travel - Derby
- Oceans-Esu Ltd - Barnsley
- Oceanscan Ltd - Aberdeen
- Oceanside Business Machines - Redruth
- Oceanside Surf Equipment & Mountain Bikes - Crediton
- Oceansound Ltd. - Camberley
- Oceansports Tuition - Southampton
- Oceanteam Equipment Base Ltd - Dundee
- Oceanteam Logistics Ltd - Slough
- OceanTools Ltd - Aberdeen
- Oceanus Operating Co Ltd - Portsmouth
- Oceanvalley Ltd - Aberdeen
- Oceanview Consultancy Ltd. - Sandwich
- Oceanwave Digital - London
- Ocee Design Ltd. - Northampton
- Ocelot Technology Ltd - Runcorn
- Ochil Joiners - Tillicoultry
- Ochil Timber Products Ltd - Denny
- Ochr Books - Welshpool
- Ochre Building Design Ltd - Shrewsbury
- Ochre Cashmere - Woking
- Ochre Framing - Lewes
- Ochre House Ltd - London
- Ochre House Talent Management Ltd - Staines
- Ochre Management Services Ltd. - Ashford
- OchreSoft Technologies - Swindon
- Ocip Energy Ltd - Cheltenham
- Ockenden - Cranbrook
- Ocktcom Ltd - Stratford upon Avon
- Ockwells Ltd (Warrington) - Warrington
- OCM Communications Ltd - Shipston on Stour
- Ocm Networks Ltd - Stratford upon Avon
- OCM UK High Speed Doors Ltd - Barry
- OCMC - Oxford
- Ocme UK Ltd - Newbury
- Ocmis Ltd. - Martock
- Oco Consultants Ltd. - Belfast
- Oco Ltd. - Dartford
- Ocon Solutions - Milford Haven
- Ocr Web Design - Edinburgh
- Ocra Consulting Ltd - London
- OCS Care Agency Ltd - Abergele
- OCS Checkweighers Ltd - Witney
- Ocs Computers - Christchurch
- OCS Document Solution Centre - Liverpool
- Ocs Glazing Systems Ltd. - Pontefract
- OCS Group UK Ltd - Crawley
- Octacom Ltd. - Sevenoaks