Companies starting with O
253,599 records.
- Open Innovation Lotus FoundationActive, Delhi, since 2021
- Open Innovation TőkealapActive, Budapest, Hungary
- Open Innovations Group LimitedActive, Other business support service activities n.e.c., Milton Keynes, United Kingdom
- Open Innovations Ltd.Active, Other information service activities n.e.c., Harrogate, United Kingdom
- Open Insights IT Solutions PrivatelimitedActive, Maharashtra, since 2019
- Open Insights Solutions LLPActive, Maharashtra
- Open Insurance Services UK LimitedActive, Activities of insurance agents and brokers, London, United Kingdom
- Open Intel Solutions LtdActive, Other information service activities n.e.c., Royston, United Kingdom
- Open Intellect LimitedActive, Business and domestic software development, Nottingham, United Kingdom
- Open Intelligence Family TrustActive, Melbourne, Australia
- Open Intelligence LtdActive, Other software publishing, Tiverton, United Kingdom
- Open Intelligent Technology LimitedActive, Other software publishing, London, United Kingdom
- Open Interaction ABActive, Uppsala, Sweden
- Open Interest LtdActive, Business and domestic software development, London, United Kingdom
- Open InterfaceTokyo, Japan
- Open Interface LimitedActive, Business and domestic software development, Shoreham-By-Sea, United Kingdom
- Open Interface North AmericaBluetooth, Seattle, United States
- Open Interiors LimitedActive (proposal to strike off), Other specialised construction activities n.e.c., Walsall, United Kingdom
- Open International AgActive, Zug, United Kingdom
- Open International College LtdActive, Technical and vocational secondary education, London, United Kingdom
- Open International Investment Holdings LimitedActive, Road Town, Tortola, British Virgin Islands
- Open International LimitedActive, Business and domestic software development, Worcester, United Kingdom
- Open International Publishing LimitedActive, Book publishing, London, United Kingdom
- Open International University of Human Development “Ukraine”Kyiv, Ukraine
- Open Internet FoundationActive, Zug, Switzerland
- Open Internet Projectother voluntary membership organizations (France), Boulogne-Billancourt, France
- Open Interval LimitedActive, Repair of electronic and optical equipment, London, United Kingdom
- Open Intevia LtdActive, Business and domestic software development, London, United Kingdom
- Open Intro LtdActive, Other professional, scientific and technical activities n.e.c., London, United Kingdom
- Open Introvert LtdActive, Management consultancy activities other than financial management, Leeds, United Kingdom
- Open Invention Networksoftware industry, New York City, United States
- Open Inventory LimitedActive, Real estate agencies, London, United Kingdom
- Open Investment Management, LPActive, Lewes, United States
- Open Investments 2024 LimitedActive, Buying and selling of own real estate, Hull, United Kingdom
- Open Investments International LtdActive, Buying and selling of own real estate, London, United Kingdom
- Open Investments L.P.Active, Edinburgh, United Kingdom
- Open Invoice Finance LimitedActive, Activities auxiliary to financial intermediation n.e.c., Canterbury, United Kingdom
- Open Iot LimitedActive (proposal to strike off), Information technology consultancy activities, North Shields, United Kingdom
- Open IPTVtelecommunications, Banja Luka
- Open IPTV Forum
- OPEN IT d.o.o. za proizvodnju, trgovinu i uslugeActive, Karlovac, Croatia
- Open IT LtdActive, Information technology consultancy activities, Widnes, United Kingdom
- Open IT Norge AsActive, Oslo, Norway
- Open Jar Solutions LtdActive, Other specialised construction activities n.e.c., Southend-On-Sea, United Kingdom
- Open Jobs LtdActive, Human resources provision and management of human resources functions, London, United Kingdom
- Open Joint Stock Company "Coal Company "Kuzbassrazrezugol"Active, Pionersky Blvd, 4-A, United Kingdom
- Open Joint Stock Company "Orien Financial Services"Active, Dashanbe, United Kingdom
- Open Joint Stock Company Minsk Automobile Plant - Managing Company of the Holding BELAVTOMAZActive, since 2025
- Open Joint-Stock Company "Keremet Bank"Active, Bishkek, Kyrgyzstan
- Open Journals Collective Community Interest CompanyActive, academic publishing, Brighton, United Kingdom
- Open Journey LimitedActive, Mixed farming, Bolton, United Kingdom
- Open Juice Technologies Private LimitedActive, Karnataka, since 2011
- Open Justice Now LtdActive, Activities of other membership organizations n.e.c., London, United Kingdom
- Open K ABActive, Täby, Sweden
- Open Kamera CicActive, Portrait photographic activities, Plymouth, United Kingdom
- Open KerkActive, Valkenswaard, Kingdom of the Netherlands
- Open Kernel LabsChicago, United States
- Open Kernel Labs, Inc.Active, Herndon, United Kingdom
- Open Key Estates LtdActive, Management of real estate on a fee or contract basis, London, United Kingdom
- Open Key Homes LtdActive, Buying and selling of own real estate, Brentwood, United Kingdom
- Open Key Locksmiths NW LtdActive, Manufacture of locks and hinges, Liverpool, United Kingdom
- Open Key Properties LimitedActive, Buying and selling of own real estate, Ilford, United Kingdom
- Open Key Techlabs Private LimitedActive, Gujarat, since 2026
- Open Keys Properties LtdActive, Other letting and operating of own or leased real estate, London, United Kingdom
- Open Kids
- Open Kimono Brand Consulting LLPActive, Maharashtra, since 2016
- Open Kin LimitedActive, Human resources provision and management of human resources functions, London, United Kingdom
- Open Kinetics LtdActive, Activities of patent and copyright agents; other legal activities n.e.c., London, United Kingdom
- Open Kitchen 168 LtdActive, Take-away food shops and mobile food stands, Birmingham, United Kingdom
- Open Kitchen 2022 LimitedActive (proposal to strike off), Take-away food shops and mobile food stands, Neath, United Kingdom
- Open Kitchen 307 LtdActive, Take-away food shops and mobile food stands, Birmingham, United Kingdom
- Open Kitchen Airdrie LtdActive, Take-away food shops and mobile food stands, Airdrie, United Kingdom
- Open Kitchen Delights LimitedActive, Take-away food shops and mobile food stands, Doncaster, United Kingdom
- Open Kitchen Hospitality Services Private LimitedActive, Delhi, since 2009
- Open Kitchen Manchester CicActive, Other service activities n.e.c., Manchester, United Kingdom
- Open Kitchen MCR CicActive, Other food services, Manchester, United Kingdom
- Open Kitchen Social Club CioActive, United Kingdom
- Open Kitchen Takeaway LtdActive, Take-away food shops and mobile food stands, Retford, United Kingdom
- Open Knowledge Association (OKA)Active, St-Legier-La Chiesaz, Switzerland
- Open Knowledge BelgiumBeCentral, Belgium
- Open Knowledge FinlandFinland
- Open Knowledge FoundationActive, Delhi, since 2024
- Open Knowledge FoundationActive, Activities of other membership organizations n.e.c., London, United Kingdom
- Open Knowledge Foundation Deutschland e.V.Active, Berlin, Germany
- Open Knowledge Foundation GermanyBerlin, Germany
- Open Knowledge InitiativeUnited States
- Open Knowledge Management System SLActive, Palma De Mallorca, Spain
- Open Knowledge Network SLActive, Madrid, Spain
- Open Knowledge Society
- Open Komm S.R.L.Active, Zola Predosa, Italy
- Open KPF LtdActive, Agents specialized in the sale of other particular products, London, United Kingdom
- Open Lab S.R.L.Active, Modena, Italy
- Open Lab Technologies LtdActive, Information technology consultancy activities, Wolverhampton, United Kingdom
- Open LabourLondon
- Open LabsDissolved, Albania
- Open Lake TechnologyActive, Paris, France
- Open Land Developers Private LimitedActive, Tamil Nadu, since 2026
- Open Landscapes and Family LtdActive, Landscape service activities, Bracknell, United Kingdom
- Open Lane Motors LimitedActive, Sale of used cars and light motor vehicles, Guildford, United Kingdom
- Open Language Impact LtdActive (proposal to strike off), Translation and interpretation activities, London, United Kingdom
- Open Late LimitedActive, Retail sale in non-specialised stores with food, beverages or tobacco predominating, Birmingham, United Kingdom
- Open Latitude LtdActive, Management consultancy activities other than financial management, London, United Kingdom
- Open Law LtdActive, Solicitors, Huddersfield, United Kingdom
- Open Leadership Consulting LtdActive, Dormant Company, Lymington, United Kingdom
- Open Leaf 24 LimitedActive (proposal to strike off), Other passenger land transport, London, United Kingdom
- Open Leaf Financial Services Private LimitedStruck off, Karnataka, since 1996
- Open Leaf Ingredients Private LimitedActive, Kerala, since 2024
- Open Leaf Stocks and Shares Private LimitedStruck off, Karnataka, since 1999
- Open Learning Cricket Academy LtdActive, Other sports activities, London, United Kingdom
- Open Learning for Development
- Open Learning India Com Private LimitedStruck off, Delhi, since 2000
- Open Learning Infrastructure LtdActive, Information technology consultancy activities, London, United Kingdom
- Open Learning LimitedActive, Other education n.e.c., Chippenham, United Kingdom
- Open Learning Spain S.L.Active, Vilassar De Dalt, Spain
- OPEN LEASING, s.r.o.Active, Praha, Czech Republic
- Open Leaves LLPActive, Kerala
- Open Ledger LimitedActive, Bookkeeping activities, Havant, United Kingdom
- Open Ledger Technologies Private LimitedActive, Maharashtra, since 2020
- Open Lending, LLCActive, Austin, United States
- Open Lens Media CicActive, Other activities of employment placement agencies, Walsall, United Kingdom
- Open Lens Media Private LimitedActive, Bihar, since 2025
- Open Lens Productions Ltd.Active, Video production activities, Walsall, United Kingdom
- Open Let LimitedActive, Management of real estate on a fee or contract basis, Stafford, United Kingdom
- Open Letta Communications LtdActive, Public relations and communications activities, London, United Kingdom
- Open Letter LimitedActive, specialised design activities, Manchester, United Kingdom
- Open Library BadgeGermany
- Open Library FoundationUnited States
- Open Library of Humanitiesopen-access publishing, free software, open-source software, United Kingdom, United Kingdom
- Open Life Developments LimitedActive, Development of building projects, Stoke On Trent, United Kingdom
- Open Life Science LimitedActive, Other education n.e.c., March, United Kingdom
- Open Life Towarzystwo Ubezpieczeń żYcie Spółka AkcyjnaActive, Warszawa, Poland
- Open Life UG (haftungsbeschränkt)Active, Waiblingen, Germany
- Open Light Czech s.r.o.Active, Olomouc, Czech Republic
- Open LimitedActive, Management consultancy activities other than financial management, Rickmansworth, United Kingdom
- Open Limits LimitedActive, Other business support service activities n.e.c., Wallingford, United Kingdom
- Open Limits(scotland) LtdActive, Other business support service activities n.e.c., Dunfermline, United Kingdom
- Open Line Consultancy B.V.Active, Maastricht-Airport, Kingdom of the Netherlands
- Open Line Holding B.V.Inactive, Maastricht-Airport, Kingdom of the Netherlands
- Open Line Holding II B.V.Active, Maastricht-Airport, Kingdom of the Netherlands
- Open Line Vitaly LimitedActive, Information technology consultancy activities, Warwick, United Kingdom
- Open Link International LimitedActive, Other information technology service activities, London, United Kingdom
- Open Link Network Private LimitedAmalgamated, Goa, since 1999
- Open Link Systems LtdActive, Information technology consultancy activities, Barnet, United Kingdom
- Open Links LimitedActive, Other letting and operating of own or leased real estate, London, United Kingdom
- Open ListingsSan Francisco
- Open Living (UK) LtdLiquidation, Other specialised construction activities n.e.c., St. Albans, United Kingdom
- Open Loans LimitedActive, Activities of financial services holding companies, Berkhamsted, United Kingdom
- Open Loch LimitedActive, Information technology consultancy activities, Harpole, United Kingdom
- Open Lockers, S.A.Active, Lisboa, Portugal
- Open Logistics spółka z ograniczoną odpowiedzialnością spółka komandytowaActive, Łódź, Poland
- Open London & UK CicActive, Activities of professional membership organizations, Morden, United Kingdom
- Open Loom (India) Private LimitedActive, Delhi, since 2018
- Open Loop Communications Private LimitedActive, Andhra Pradesh, since 2024
- Open Lore Games LtdActive, Manufacture of other games and toys, n.e.c., London, United Kingdom
- Open Madrasa LtdActive, Educational support services, London, United Kingdom
- Open Management (India) Private Limited.Struck off, Delhi, since 2000
- Open Management Export (India) Private LimitedStruck off, Maharashtra, since 2000
- Open Management LtdActive (proposal to strike off), Retail sale via mail order houses or via Internet, Builth Wells, United Kingdom
- Open Management Pension SchemeActive, Bristol, United Kingdom
- Open Manufacturing LimitedLiquidation, Wholesale of clothing and footwear, The Harrovian Business Village, United Kingdom
- Open Maresma 34, S.L.Active, Eivissa, Spain
- Open Marine Services L.P.Active, Douglas, United Kingdom
- Open Marine SLActive, Altea, Spain
- Open MarketDissolved, e-commerce, Burlington
- Open Market Europe LimitedActive (proposal to strike off), Business and domestic software development, London, United Kingdom
- Open Market Events LtdActive, Activities of exhibition and fair organisers, London, United Kingdom
- Open Market Options LimitedActive, Non-trading company, Dyfed, United Kingdom
- Open Mart Online LimitedActive, Wholesale of other food, including fish, crustaceans and molluscs, Yeovil, United Kingdom
- Open Mashup Alliance
- Open Mat Productions LtdActive, Motion picture production activities, Croydon, United Kingdom
- Open Matz LtdActive, Activities of sport clubs, Gillingham, United Kingdom
- Open Meal2 Go LtdActive, Unlicensed restaurants and cafes, Birmingham, United Kingdom
- Open Media Group LtdActive, Other business support service activities n.e.c., Manchester, United Kingdom
- Open Media LimitedActive, Artistic creation, London, United Kingdom
- Open Media Network Private LimitedActive, West Bengal, since 2008
- Open Medical (Ksa) LimitedActive, Business and domestic software development, Ealing, United Kingdom
- Open Medical (Qatar) LimitedActive, Business and domestic software development, Ealing, United Kingdom
- Open Medical (UAE) LimitedActive, Business and domestic software development, Ealing, United Kingdom
- Open Medical Consulting LtdActive, Management consultancy activities other than financial management, London, United Kingdom
- Open Medical Holdings LimitedActive, Activities of other holding companies n.e.c., London, United Kingdom
- Open Medical LtdActive, Business and domestic software development, London, United Kingdom
- Open Medical Technologies LimitedActive, Business and domestic software development, London, United Kingdom
- Open Medical Ventures LimitedActive, Information technology consultancy activities, London, United Kingdom
- Open MedicinePoland
- Open Medicine Foundation
- Open Medlabs Private LimitedActive, Karnataka, since 2023
- Open Medscience LimitedActive, Other publishing activities, Craigavon, United Kingdom
- Open Mercury LtdActive, Other information service activities n.e.c., London, United Kingdom
- Open Meridian LimitedActive, Retail sale via mail order houses or via Internet, Doncaster, United Kingdom
- Open Message LtdActive, Business and domestic software development, Wokingham, United Kingdom
- Open Metrics LimitedActive, Information technology consultancy activities, Newbury, United Kingdom
- Open Mic LtdActive (proposal to strike off), Other business support service activities n.e.c., Reading, United Kingdom
- Open Mid InteractiveActive, Antwerpen, Belgium
- Open Mike Productions LimitedActive, Motion picture production activities, London, United Kingdom
- Open MindActive, Herblay-Sur-Seine, France
- Open Mind Apartments LtdActive, Other letting and operating of own or leased real estate, Portsmouth, United Kingdom
- Open Mind Building Services LtdActive (proposal to strike off), Other activities of employment placement agencies, Bushey, United Kingdom
- Open Mind Cadcam Technologies India Private LimitedActive, Karnataka, since 2010
- Open Mind Capital LtdActive, Buying and selling of own real estate, Portsmouth, United Kingdom
- Open Mind Care Company LtdActive, Other residential care activities n.e.c., Stoke-On-Trent, United Kingdom
- Open Mind Coaching and Consulting LtdActive, Management consultancy activities other than financial management, Ballynahinch, United Kingdom
- Open Mind Communications Private LimitedActive, Uttar Pradesh, since 2026
- Open Mind Consulting GmbhActive, Bad Sauerbrunn, Austria
- Open Mind Corporate LtdActive, Activities of other holding companies n.e.c., Slough, United Kingdom
- Open Mind Creations Private LimitedStruck off, Maharashtra, since 2013
- Open Mind Distribution LimitedActive, Retail sale via mail order houses or via Internet, Moreton-In-Marsh, United Kingdom
- Open Mind Education LtdActive, Other education n.e.c., Portsmouth, United Kingdom
- Open Mind Empire LtdActive, Management of real estate on a fee or contract basis, Portsmouth, United Kingdom
- Open Mind Entertainment SLActive, Madrid, Spain
- Open Mind Factory GmbHActive, Limeshain, Germany
- Open Mind Group SRLActive, Villafranca Di Verona, Italy
- Open Mind Gymnastricks LtdActive, Other sports activities, Sowerby Bridge, United Kingdom
- Open Mind HCM Services LtdActive, Information technology consultancy activities, Bourne, United Kingdom
- Open Mind Healing LtdActive, Other human health activities, Mildenhall, United Kingdom
- Open Mind Holdings LtdActive, Other letting and operating of own or leased real estate, Portsmouth, United Kingdom
- Open Mind Homes LtdActive, Buying and selling of own real estate, Portsmouth, United Kingdom
- Open Mind Infracon Private LimitedStruck off, Uttar Pradesh, since 2014
- Open Mind Invest UG (haftungsbeschränkt)Active, Korb, Germany
- Open Mind Investments (UK) LtdActive, Other letting and operating of own or leased real estate, Slough, United Kingdom
- Open Mind Investments LimitedActive, Road Town, United Kingdom
- Open Mind Investments S.C.A. SICARInactive, Luxembourg, Luxembourg
- Open Mind ITActive, Tessenderlo-Ham, Belgium
- Open Mind Leisure LtdActive, Other letting and operating of own or leased real estate, Portsmouth, United Kingdom
- Open Mind Management S.A.Inactive, Luxembourg, Luxembourg
- Open Mind Martial Arts Academy LtdActive, Other sports activities, Plymouth, United Kingdom
- Open Mind Music Management Private LimitedActive, Tamil Nadu, since 2009
- Open Mind Opportunity Consultancy Private LimitedStruck off, Maharashtra, since 2013
- Open Mind Payroll Services LtdActive (proposal to strike off), Other activities of employment placement agencies, London, United Kingdom
- Open Mind Practice LimitedActive, Other human health activities, Ringwood, United Kingdom
- Open Mind Productions
- Open Mind Productions LimitedActive, Television programme production activities, Marlow, United Kingdom
- Open Mind Property LtdActive, Other letting and operating of own or leased real estate, Portsmouth, United Kingdom
- Open Mind Psychiatry LtdActive, General medical practice activities, London, United Kingdom
- Open Mind Psychology LtdActive, Specialists medical practice activities, Sandown, United Kingdom
- Open Mind Services LimitedActive, Gurgaon, since 2007
- Open Mind Solutions LtdActive, Information technology consultancy activities, Nottingham, United Kingdom
- Open Mind Stay LtdActive, Management of real estate on a fee or contract basis, Portsmouth, United Kingdom
- Open Mind Studios LimitedActive, Manufacture of other games and toys, n.e.c., London, United Kingdom
- Open Mind Suites LtdActive, Management of real estate on a fee or contract basis, Portsmouth, United Kingdom
- Open Mind Technologies UK LimitedActive, Information technology consultancy activities, Taunton, United Kingdom
- Open Mind Therapy LimitedActive, Other human health activities, London, United Kingdom
- Open Mind Training & Development LimitedActive, Management consultancy activities other than financial management, Leicester, United Kingdom
- Open Minded Creative Solutions LimitedActive, Retail sale via mail order houses or via Internet, London, United Kingdom
- Open Minded Infrastructure & Mines Private LimitedActive, Bihar, since 2024
- Open Minds Active C.I.C.Active, Other sports activities, Bristol, United Kingdom
- Open Minds Care & Support LtdActive, Residential care activities for learning difficulties, mental health and substance abuse, Rotherham, United King
- Open Minds CBT & Counselling LimitedActive, Other human health activities, Bury St. Edmunds, United Kingdom
- Open Minds Child Vista Private LimitedActive, Telangana, since 2025
- Open Minds Clinic Private LimitedActive, Telangana, since 2024
- Open Minds Counselling and Wellbeing LtdActive, Other human health activities, Evesham, United Kingdom
- Open Minds Counselling Service LtdActive, Other human health activities, Doncaster, United Kingdom
- Open Minds Development LtdActive, Other education n.e.c., Farnham, United Kingdom
- Open Minds Education Initiatives Private LimitedActive, Karnataka, since 2013
- Open Minds Future S.A.Active, Barcelona, Spain
- Open Minds High Availability Solutions LimitedActive, Other information technology service activities, London, United Kingdom
- Open Minds Iow LtdActive, Educational support services, Ryde, United Kingdom
- Open Minds IT Consultancy LimitedActive, Information technology consultancy activities, London, United Kingdom
- Open Minds Multi Trade Private LimitedActive, Uttar Pradesh, since 2022
- Open Minds NottinghamActive, United Kingdom
- Open Minds P.R. Private LimitedActive, Uttar Pradesh, since 2022
- Open Minds Psychological Therapy Service LimitedActive, Other human health activities, Houghton Le Spring, United Kingdom
- Open Minds Services Private LimitedActive, Tamil Nadu, since 2013
- Open Minds Software Consulting LimitedActive, Business and domestic software development, London, United Kingdom
- Open Minds Strategy and Coaching LimitedActive, Management consultancy activities other than financial management, Manchester, United Kingdom
- Open Minds Tuition LimitedActive, Other education n.e.c., London, United Kingdom
- Open Minds-Open Ideas SLActive, Madrid, Spain
- Open Mineral AgActive, Baar, Switzerland
- Open Mineral LimitedLiquidation, Management consultancy activities other than financial management, Malvern, United Kingdom
- Open Mobiletelecommunications industry, mobile phone industry, Guaynabo, United States
- Open Mobile Global Ltd.Active, Business and domestic software development, London, United Kingdom
- Open Mobile Terminal Platformwireless communication
- Open Mode LimitedActive, Licensed restaurants, Wakefield, United Kingdom
- Open Modern LtdActive, Other business support service activities n.e.c., London, United Kingdom
- Open Momo Foods Private LimitedActive, Karnataka, since 2025
- Open Moove LimitedActive, Information technology consultancy activities, Pontypridd, United Kingdom
- Open Mortgage, LLCActive, Austin, United States
- Open Mosaic LtdActive, Publishing of computer games, Cambridge, United Kingdom
- Open Mouth Eats LtdActive, Take-away food shops and mobile food stands, London, United Kingdom
- Open Mouth Foodergy Private LimitedActive, Maharashtra, since 2022
- Open Mouth Productions LimitedActive, Sound recording and music publishing activities, Yeovil, United Kingdom
- Open Mouths, Sociedad LimitadaActive, Las Palmas De Gran Canaria, Spain
- Open Move LtdActive, Other information technology service activities, Birmingham, United Kingdom
- Open MusicActive, United Kingdom
- Open Music Rights LimitedActive, Sound recording and music publishing activities, London, United Kingdom
- Open Musicality CicActive, Other business support service activities n.e.c., Stanmore, United Kingdom
- Open Nest Property LimitedActive (proposal to strike off), Other letting and operating of own or leased real estate, Bristol, United Kingdom
- Open Nest Solutions LtdActive (proposal to strike off), Other software publishing, Lymm, United Kingdom
- Open Netrikkan Private LimitedActive, Tamil Nadu, since 2025
- Open NettoyageActive, Montlucon, France
- Open Network Entertainmentvideo game industry
- Open Network Exchange LtdActive, Other software publishing, Uxbridge, United Kingdom
- Open Network for Digital CommerceActive, Delhi, since 2021
- Open Network for Digital Commercee-commerce
- Open Network Management LimitedActive, Information technology consultancy activities, Barnsley, United Kingdom
- Open Network Services LimitedActive, Information technology consultancy activities, Manor Way, Borehamwood, United Kingdom
- Open Networking Foundationbusiness and professional associations, unions
- OPEN NETWORKS GmbHInactive, Wien, Austria
- Open New Food SLActive, Córdoba, Spain
- open New Media GmbHActive, Koblenz, Germany
- Open New York
- Open Objects Software Ltd Directors Pension SchemeActive, Tenterden, United Kingdom
- Open Observatory of Network Interference
- Open Observatory of Network Interference (Ooni) Foundation Ente Del Terzo SettoreActive, Roma, Italy
- Open Ocean A@s LtdActive, Taxi operation, Bristol, United Kingdom
- Open Ocean Education FoundationActive, Delhi, since 2022
- Open Ocean Enterprises LimitedActive, Other professional, scientific and technical activities n.e.c., Plymouth, United Kingdom
- Open Ocean Exports LLPActive, Karnataka, since 2025
- Open Ocean Fund 2015 KyActive, Helsinki, Finland
- Open Ocean Fund 2020 KyActive, Helsinki, Finland
- Open Ocean Fund Three KyActive, Helsinki, Finland
- Open Ocean Fund Two KyActive, Helsinki, Finland
- Open Ocean Opportunity Fund I KyActive, Helsinki, Finland
- Open Ocean Sports GmbHActive, Oberstdorf, Germany
- Open Ocean UK LLPActive, London, United Kingdom
- Open Oceans Capital LtdActive, Activities of financial services holding companies, London, United Kingdom
- Open Oceans Group Holdings LimitedActive, Other business support service activities n.e.c., London, United Kingdom
- Open Oceans Group LtdActive, Activities of financial services holding companies, London, United Kingdom
- Open on LimitedActive, Motion picture production activities, Hatfield, United Kingdom
- Open One S.R.L.Active, Brescia, Italy
- Open Online Agency LimitedActive, Real estate agencies, Gerrards Cross, United Kingdom
- Open Online LimitedActive, Real estate agencies, Gerrards Cross, United Kingdom
- Open Online Securities Private LimitedActive, Delhi, since 2000
- Open Open Open Studio LimitedActive, Video production activities, London, United Kingdom
- OPEN Optimizing Energy SAActive, Poschiavo, Switzerland
- Open Orbit LtdActive, Space transport, London, United Kingdom
- Open Ordering LimitedActive (proposal to strike off), Other business support service activities n.e.c., Cardiff, United Kingdom
- Open Org Group LtdActive, Other business support service activities n.e.c., Maidstone, United Kingdom
- Open Origin IT Solutions Private LimitedStruck off, Telangana, since 2008
- Open Other End LimitedActive, Support activities to performing arts, Scarborough, United Kingdom
- Open Outbound LtdActive, Other information technology service activities, London, United Kingdom
- Open Outdoor Media LtdActive, Other service activities n.e.c., Liverpool, United Kingdom
- Open Outfit LimitedActive, Retail sale via mail order houses or via Internet, Halifax, United Kingdom
- Open Outlet LimitedActive, Retail sale via mail order houses or via Internet, Wisbech, United Kingdom
- Open Oven Pizza Company LimitedLiquidation, Other service activities n.e.c., Fareham, United Kingdom
- Open Palette Restaurant LLPActive, since 2025
- Open PalmActive, United Kingdom
- Open Palm Care LtdActive, Other human health activities, Redhill, United Kingdom
- Open Palm LtdActive, Activities of financial services holding companies, London, United Kingdom
- Open Pan S.L.Active, Barcelona, Spain
- Open Paparazzi LtdActive, Management consultancy activities other than financial management, London, United Kingdom
- Open Partner Consulting LtdActive (proposal to strike off), Information technology consultancy activities, Cardiff, United Kingdom
- Open PartnersActive, Paris 16, France
- Open Partners Asset Management SAActive, Lugano, Switzerland
- Open Partnership Solutions LimitedActive, Manufacture of other machine tools, Bristol, United Kingdom
- Open Party LtdActive, Activities of political organizations, Shepton Mallet, United Kingdom
- Open Pass LimitedActive, Sliema, Malta
- Open PastActive, United Kingdom
- Open Path Agency LimitedActive, Information technology consultancy activities, Leeds, United Kingdom
- Open Path CollectiveUnited States
- Open Path Overseas LLPActive, since 2025
- Open Path Properties LtdActive, Other business support service activities n.e.c., Birmingham, United Kingdom
- Open Path Solution Private LimitedActive, Gujarat, since 2022
- Open Path Solutions LtdActive, Business and domestic software development, London, United Kingdom
- Open Path Support Services LtdActive, Social work activities without accommodation for the elderly and disabled, Ellesmere Port, United Kingdom
- Open Path Supported Living LtdActive, Other residential care activities n.e.c., Sutton Coldfield, United Kingdom
- Open Path Wellbeing CicActive, Other human health activities, Witham, United Kingdom
- Open Pathshala Edutech Private LimitedActive, Maharashtra, since 2017
- Open Pathways Education LimitedActive, Educational support services, Bristol, United Kingdom
- Open Pathways Private LimitedActive, Andhra Pradesh, since 2016
- Open Pathways Psychotherapy LtdActive, Other human health activities, Horsham, United Kingdom
- Open Paws LtdActive, Physical well-being activities, Liverpool, United Kingdom
- Open Payment Network LimitedActive, Other information technology service activities, Taunton, United Kingdom
- Open Payments Europe ABActive, Stockholm, Sweden
- Open Payments Technologies (UK) LimitedActive, Other business support service activities n.e.c., London, United Kingdom
- Open Payments Technologies Private LimitedStruck off, Karnataka, since 2021
- Open Pen LtdActive, Book publishing, Alcester, United Kingdom
- Open Perspective LtdActive, Research and experimental development on social sciences and humanities, Camberley, United Kingdom
- Open PHACTS Foundation
- Open Pharma LimitedActive, Other information service activities n.e.c., London, United Kingdom
- Open Pharma Research LimitedActive, Other information service activities n.e.c., London, United Kingdom
- Open Pharma Technologies LtdActive, Business and domestic software development, Keighley, United Kingdom
- Open Pharmacy LtdActive, Dispensing chemist in specialised stores, Bury, United Kingdom
- Open plaats vzwActive, Gent, Belgium
- Open Plains Holding UG (haftungsbeschränkt)Active, Düsseldorf, Germany
- Open Plan Business LtdActive, Retail sale via mail order houses or via Internet, Penarth South Glamorgan, United Kingdom
- Open Plan Construction LtdActive (proposal to strike off), Construction of domestic buildings, Swansea, United Kingdom
- Open Plan Consultants Ltd.Active, Other professional, scientific and technical activities n.e.c., Lincoln, United Kingdom
- Open Plan Consulting S.R.L.Active, Firenze, Italy
- Open Plan Group LtdActive, Tour operator activities, Harrow, United Kingdom
- Open Plan Homes LtdActive, Development of building projects, Hook, United Kingdom
- Open Plan Installations LtdActive, Electrical installation, Colchester, United Kingdom
- Open Plan Interior Development LtdActive, Construction of domestic buildings, London, United Kingdom
- Open Plan Invest LtdActive, Management of real estate on a fee or contract basis, Chigwell, United Kingdom
- Open Plan IT LtdActive, Information technology consultancy activities, Brighton, United Kingdom
- Open Plan Law LimitedActive, Solicitors, Oxford, United Kingdom
- Open Plan Living and Construction LimitedActive, Construction of domestic buildings, Bristol, United Kingdom
- Open Plan Man Design LtdActive, Other specialised construction activities n.e.c., Chippenham, United Kingdom
- Open Plan Media LimitedActive, News agency activities, London, United Kingdom
- Open Plan Property LtdActive, Buying and selling of own real estate, Bristol, United Kingdom
- Open Plan Renovation LtdActive, Construction of domestic buildings, Colchester, United Kingdom
- Open Plan Specialists LimitedActive, Development of building projects, Gloucester, United Kingdom
- Open Plan Thinking LtdActive, Advertising agencies, London, United Kingdom
- Open Planet Community Interest CompanyActive, Motion picture production activities, Bristol, United Kingdom
- Open Planet Software LimitedActive, Business and domestic software development, Inverurie, United Kingdom
- Open Planet Studios LtdActive, Other business support service activities n.e.c., Bristol, United Kingdom
- Open Planned Living LimitedActive, Construction of domestic buildings, Lowestoft, United Kingdom
- Open Platform Solutions LtdActive, Activities of other holding companies n.e.c., London, United Kingdom
- Open Platforms Private LimitedActive, Delhi, since 2019
- Open Play Initiative CicActive, Artistic creation, Paisley, United Kingdom
- Open Plaza Corp.Active, Dover, United States
- Open Plaza Corporativo Peru S.A.C.Active, Lima, Peru
- Open Plaza S.A.Active, Lima, Peru
- Open PLM Consulting LtdActive, Other information technology service activities, Towcester, United Kingdom
- Open PN Invest LtdActive, Dormant Company, Dover, United Kingdom
- Open PN LtdActive, Dormant Company, Dover, United Kingdom
- Open Podiatry LimitedActive, Other business support service activities n.e.c., Bradford, United Kingdom
- Open Point LtdActive, Development of building projects, Lutterworth, United Kingdom
- Open Policy LtdActive, Other information technology service activities, London, United Kingdom
- Open Political Economy Network LtdActive, Research and experimental development on social sciences and humanities, London, United Kingdom
- Open Populi SLActive, Valencia, Spain
- Open Porte & Finestre S.R.L.S.Active, Zogno, Italy
- Open Possibility LtdActive, Educational support services, Henley-On-Thames, United Kingdom
- Open Practice Architecture LimitedActive, Architectural activities, London, United Kingdom
- Open Prepaid Funerals LimitedActive, Funeral and related activities, Warwick, United Kingdom
- Open Prepaid Funerals TrustActive, Warwick, United Kingdom
- Open Preservation FoundationActive, Other information technology service activities, London, United Kingdom
- Open Procurement LimitedActive, Other professional, scientific and technical activities n.e.c., Manchester, United Kingdom
- Open Project S.R.L.Active, Bologna, Italy
- Open Project Studios LtdActive, Retail sale via mail order houses or via Internet, London, United Kingdom
- Open Promotions LimitedActive (proposal to strike off), Business and domestic software development, Burnley, United Kingdom
- Open Properties UK LtdActive (proposal to strike off), Development of building projects, Bristol, United Kingdom
- Open Property Data Association LtdActive, Activities of business and employers membership organizations, Stanley, United Kingdom
- Open Property Finance LimitedActive, Management of real estate on a fee or contract basis, Gerrards Cross, United Kingdom
- Open Property Group LimitedActive, Management of real estate on a fee or contract basis, Gerrards Cross, United Kingdom
- Open Property LtdActive, Buying and selling of own real estate, Bury St Edmunds, United Kingdom
- Open Property Services LtdActive (proposal to strike off), Hotels and similar accommodation, Bury St. Edmunds, United Kingdom
- Open Property Solutions LimitedLiquidation, Other activities auxiliary to insurance and pension funding, Croydon, United Kingdom
- Open Prosthetics ProjectUnited States
- Open Protocol Labs LtdActive, Road Town, British Virgin Islands
- Open Protocol Technology LimitedActive, Other specialised construction activities n.e.c., Kingswinford, United Kingdom
- Open Pubs Morecambe LtdActive, Take-away food shops and mobile food stands, Morecambe, United Kingdom
- Open Pulse LtdActive, Other software publishing, West Bromwich, United Kingdom
- Open Quadrant Marketing Private LimitedActive, Kerala, since 2013
- Open Quantum LimitedActive, Other information technology service activities, Norwich, United Kingdom
- Open Questions LtdActive, Video production activities, Abingdon, United Kingdom
- Open Queue Private LimitedActive, Telangana, since 2025
- Open Rainbow LimitedActive, Information technology consultancy activities, Billericay, United Kingdom
- Open Rainbow Solutions Private LimitedActive, Telangana, since 2026
- Open Range CommunicationsDissolved, Greenwood Village, United States
- Open Range Data Services LimitedActive, Other professional, scientific and technical activities n.e.c., Manchester, United Kingdom
- Open Range Development LimitedActive, Information technology consultancy activities, Gravesend, United Kingdom
- Open Range Pictures, LtdActive, Motion picture production activities, London, United Kingdom
- Open Range Technology GmbHActive, Wolfhagen, Germany
- Open Rasoi Private LimitedActive, Karnataka, since 2026
- Open Reach Properties LtdActive, Development of building projects, Cardiff, United Kingdom
- Open Reach Solutions LtdActive, Other human health activities, Ilford, United Kingdom
- Open Reach Wholesalers LimitedActive, Wholesale of fruit and vegetable juices, mineral water and soft drinks, Tipton, United Kingdom
- Open Ready LimitedActive, Business and domestic software development, Barnet, United Kingdom
- Open Real Estate Single Member PCActive, Leonidion, Greece
- Open Real Estate Solutions S.R.L.Active, Cluj-Napoca, Romania
- Open Reality LimitedActive, Other information technology service activities, Northampton, United Kingdom
- Open Realm Books LtdActive, Book publishing, Tonypandy, United Kingdom
- Open Rebellion LtdActive, Activities of other membership organizations n.e.c., London, United Kingdom
- Open Records LimitedActive, Sound recording and music publishing activities, London, United Kingdom
- Open Recruitment LimitedActive (proposal to strike off), Other activities of employment placement agencies, Blackpool, United Kingdom
- Open Recruitment Solutions LimitedActive, Other activities of employment placement agencies, London, United Kingdom
- Open Reel Ensemble
- Open Refinement LtdActive, Information technology consultancy activities, Barnard Castle, United Kingdom
- Open Refinement Property LtdActive, Buying and selling of own real estate, Barnard Castle, United Kingdom
- Open Reflexion LimitedActive, Management consultancy activities other than financial management, London, United Kingdom
- Open Refresh LtdActive, Information technology consultancy activities, London, United Kingdom
- Open Renewables LimitedActive, Other business support service activities n.e.c., Rickmansworth, United Kingdom
- Open Reply LimitedActive, Dormant Company, London, United Kingdom
- Open Reply S.R.L.Active, Torino, Italy
- Open RepublicWarsaw, Poland
- Open Research & Communications Private LimitedStruck off, Manipur, since 2002
- Open Research Ecosystem Consulting LtdActive, Management consultancy activities other than financial management, London, United Kingdom
- Open Research Shop LtdActive, Other publishing activities, Sheffield, United Kingdom
- Open Resource Management LtdActive, Other information technology service activities, London, United Kingdom
- Open Resources UK LimitedActive, Information technology consultancy activities, Surrey, United Kingdom
- Open Restaurant Group LimitedActive, Activities of other holding companies n.e.c., Bromsgrove, United Kingdom
- Open Retail Di Ruggeri M. V. E Olzi V. S.N.C.Active, Brescia, Italy
- Open Retail LimitedActive, Data processing, hosting and related activities, Didcot, United Kingdom
- Open Retail Niestandaryzowany Fundusz Inwestycyjny Zamknięty WierzytelnościActive, Warszawa, Poland
- Open Retail Solutions LimitedActive, Business and domestic software development, Ashby-De-La-Zouch, United Kingdom
- Open Rhodes Group LimitedActive, Activities of other holding companies n.e.c., Manchester, United Kingdom
- Open Rhodes LimitedActive, Other business support service activities n.e.c., Manchester, United Kingdom
- Open RiceUnited Kingdom
- Open Rice Takeaway LtdActive, Other food services, Chatham, United Kingdom
- Open RightsActive, Activities of other membership organizations n.e.c., London, United Kingdom
- Open Rights GroupLondon, United Kingdom
- Open Risk Data Association e.V.Active, Bonn, Germany
- Open Road
- Open Road 93 LtdActive, Freight transport by road, Potters Bar, United Kingdom
- Open Road Access (Ora) LimitedActive, Other passenger land transport, London, United Kingdom
- Open Road Adventures LimitedActive (proposal to strike off), Other urban, suburban or metropolitan passenger land transport (not underground, metro
- Open Road Associates LimitedActive, Management consultancy activities other than financial management, London, United Kingdom
- Open Road Campers LtdActive, Maintenance and repair of motor vehicles, Basingstoke, United Kingdom
- Open Road Cars LimitedActive, Sale of used cars and light motor vehicles, Bradford, United Kingdom
- Open Road Copy LtdActive, Advertising agencies, Esher, United Kingdom
- Open Road Couriers LtdActive, Unlicensed carrier, Ilford, United Kingdom
- Open Road Driving Academy LimitedActive, Driving school activities, Horsham, United Kingdom
- Open Road Engineering LimitedActive, Engineering design activities for industrial process and production, Northwich, United Kingdom
- Open Road Enterprise LimitedActive, Agents involved in the sale of machinery, industrial equipment, ships and aircraft, Mitcham, United Kingdom
- Open Road Finance LtdActive (proposal to strike off), Sale of used cars and light motor vehicles, Leicester, United Kingdom
- Open Road Fleet Services LimitedActive, Renting and leasing of cars and light motor vehicles, London, United Kingdom
- Open Road FlimsLos Angeles, United States
- Open Road Hats LtdActive, Management consultancy activities other than financial management, Eastleigh, United Kingdom
- Open Road Integrated MediaNew York City, United States
- Open Road Learning LimitedActive, Management consultancy activities other than financial management, Wolverhampton, United Kingdom