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Companies starting with O
2,53,599 profiles.
- Openstem LtdActive, Other education n.e.c., Telford, United Kingdom
- Opensten Bondgård ABActive, Limmared, Sweden
- Openstep LimitedActive, Other professional, scientific and technical activities n.e.c., Rotherham, United Kingdom
- Openstep Property Management LimitedActive, Residents property management, London, United Kingdom
- Openstock LtdActive, Other software publishing, London, United Kingdom
- Openstone Prime - Compartiment IActive, Paris, France
- Openstone YieldActive, Paris, France
- Openstone Yield - Compartiment IActive, Paris, France
- OpenStorMexico City or Ciudad de México
- Openstor 1 LimitedActive, Operation of warehousing and storage facilities for land transport activities, Billingham, United Kingdom
- Openstor ColombiaBogota or Bogotá
- Openstori Private LimitedActive, Uttar Pradesh, since 2025
- Openstorytellers, LimitedActive, Cultural education, Frome, United Kingdom
- Openstream Labs Private LimitedActive, Karnataka, since 2025
- Openstream LimitedActive, Information technology consultancy activities, Winchester, United Kingdom
- Openstream Technologies LtdActive, Information technology consultancy activities, Feltham, United Kingdom
- OpenStreetTokyo, Japan
- Openstreet LimitedActive, Retail sale via mail order houses or via Internet, Wellington, United Kingdom
- OpenStreetMap BelgiumBrussels, Belgium
- OpenStreetMap Colombian CommunityColombia
- Openstreetmap FoundationActive, Data processing, hosting and related activities, Cambridge, United Kingdom
- OpenStreetMap Latam CommunityColombia
- OpenStreetMap PolandŁódź, Poland
- OpenStreetMap U.S.Washington, D.C., United States
- Openstreetmap United Kingdom Community Interest CompanyActive, OpenStreetMap, Solihull, United Kingdom
- Openstrides Software and Solutions Private LimitedActive, Karnataka, since 2009
- Openstudio Architects LimitedActive, Other engineering activities, London, United Kingdom
- Openstuff Technology (OPC) Private LimitedActive, Karnataka, since 2022
- Openstyx Technologies Ltd.Active, Information technology consultancy activities, Chigwell, United Kingdom
- Opensubject LimitedActive, Other letting and operating of own or leased real estate, Oldham, United Kingdom
- Opensum Technologies Private LimitedStruck off, Delhi, since 2012
- OpenSupply B.V.Active, Oldenzaal, Kingdom of the Netherlands
- Opensurveycraft LtdActive, Other software publishing, Aylesbury, United Kingdom
- openSUSE Project
- OpensvcActive, Gouvieux, France
- Openswift LimitedActive, Information technology consultancy activities, Gosport, United Kingdom
- Openswim UK LimitedActive, Physical well-being activities, Manchester, United Kingdom
- Openswim Wellbeing CicActive, Other education n.e.c., Stockport, United Kingdom
- Openswim Wellness LimitedActive, Physical well-being activities, Manchester, United Kingdom
- OpenSwm Ltd.Active, San Gwann, Malta
- Openswm S.R.L.Active, Roma, Italy
- Opensymmetry Consulting LimitedActive, Information technology consultancy activities, London, United Kingdom
- Opensymmetry Private LimitedActive, Maharashtra, since 2022
- OpenSymmetry, LLCActive, Austin, United States
- Opensys (M) BerhadMalaysia
- Opensys LimitedActive, Information technology consultancy activities, Altrincham, United Kingdom
- Opensys Technology International LLPActive, Odisha
- Opensystems Architecture LtdActive, Architectural activities, Wokingham, United Kingdom
- Opent Commerce Solutions Private LimitedUnder process of striking off, Telangana, since 2015
- Opent IT Services Private LimitedStruck off, Hyderabad, since 2014
- OpenTaalcomputer industry, Hoofddorp
- Opentab Innovations Private LimitedActive, Andhra Pradesh, since 2025
- OpenTablegastronomy, San Francisco, United States
- Opentable ABInactive, Torslanda, Sweden
- Opentable IncActive, since 2009
- Opentable International LimitedActive, Other business support service activities n.e.c., London, United Kingdom
- Opentable Scottish Limited PartnershipActive, Edinburgh, United Kingdom
- Opentable UK Holding LimitedActive, Other business support service activities n.e.c., London, United Kingdom
- Opentabmedia LtdActive, Publishing of newspapers, Norwich, United Kingdom
- Opentail S.R.L.Active, Brescia, Italy
- Opentailor Services Private LimitedActive, Madhya Pradesh, since 2025
- Opentalent.com Holdings LimitedActive, Human resources provision and management of human resources functions, Camberley, United Kingdom
- Opentalk Mobile App Private LimitedActive, Karnataka, since 2017
- OpenTAS GmbHActive, Hamburg, Germany
- Openteam Labs LimitedActive, Business and domestic software development, London, United Kingdom
- Openteams Global LimitedActive, Business and domestic software development, London, United Kingdom
- Openteams India Private LimitedActive, Maharashtra, since 2022
- Opentec LtdActive, Management consultancy activities other than financial management, Ilford, United Kingdom
- Opentecc LtdActive, Information technology consultancy activities, London, United Kingdom
- Opentech AI LimitedActive, Other software publishing, London, United Kingdom
- Opentech Alliance Europe LtdActive, Other information technology service activities, London, United Kingdom
- Opentech Alliance, Inc.Active, Phoenix, United States
- Opentech Digital Services S.P.A.Active, Roma, Italy
- Opentech Group LtdActive, Business and domestic software development, Doncaster, United Kingdom
- Opentech Holding SRLActive, Roma, Italy
- Opentech LimitedActive, Other information technology service activities, Leeds, United Kingdom
- Opentech OÜActive, Kohtla-Järve, Estonia
- Opentech Partners LtdActive, Other activities of employment placement agencies, Stockport, United Kingdom
- Opentech Payment Services AGActive, Baar, Switzerland
- Opentech Private LimitedStruck off, Tamil Nadu, since 2002
- Opentech Resources LPActive, Edinburgh, United Kingdom
- Opentech S.R.L.Inactive, Roma, Italy
- Opentech s.r.o.Inactive, Praha, Czech Republic
- Opentech Software Systems Private LimitedActive, Maharashtra, since 2009
- Opentech Solutions LtdActive, Information technology consultancy activities, Ilford, United Kingdom
- Opentech Ventures Private LimitedActive, Maharashtra, since 2014
- Opentees LtdActive, Business and domestic software development, London, United Kingdom
- Opentek Innovative Solutions LLPActive, since 2024
- Opentekhnia IT Services Private LimitedStruck off, Karnataka, since 2008
- Openteknologies LtdActive, Retail sale of mobile telephones, Castleford, United Kingdom
- OpenTeQHyderabad
- Openteq Bridge Private LimitedActive, Jharkhand, since 2018
- Openteq Consultantsprivate LimitedActive, Telangana, since 2018
- Openteq Technologies Private LimitedActive, Telangana, since 2019
- Openterm Property Management LimitedActive, Residents property management, East Grinstead, United Kingdom
- Opentext E-Learning Private LimitedActive, Chhattisgarh, since 2018
- Opentexto Publishers Private LimitedActive, Telangana, since 2022
- OpenTheBooks
- Openthedoor Technologies Private LimitedActive, Uttar Pradesh, since 2020
- Openthought Consulting LtdActive, Information technology consultancy activities, London, United Kingdom
- Openthought Innovation Technology Private LimitedStruck off, Karnataka, since 2012
- Openthrive Services Private LimitedActive, Karnataka, since 2017
- Openticket LLCActive, Wilmington, United States
- OpenTide KoreaSeoul, South Korea
- Opentide Private LimitedActive, Maharashtra, since 2022
- Opentill LimitedActive, Management consultancy activities other than financial management, Waterlooville, United Kingdom
- OpenTimedigital marketing, Busan, South Korea
- Opentime SRLActive, Padova, Italy
- Opento LimitedActive, Management consultancy activities other than financial management, Longniddry, United Kingdom
- OPENTOOL BOX PrivateATE LIMITEDActive, Delhi, since 2016
- Opentop Development LtdActive, Business and domestic software development, Oxted, United Kingdom
- OPENTOPBOB Holdings B.V.Active, Wassenaar, Kingdom of the Netherlands
- Opentosky Studio LLPActive, Karnataka
- Opentowin SLActive, Madrid, Spain
- Opentrace Ltd.Active, Business and domestic software development, Oldham, United Kingdom
- Opentrack Events LimitedActive, Other sports activities, Cambridge, United Kingdom
- Opentrack LimitedActive, Information technology consultancy activities, London, United Kingdom
- Opentrade Investment Advisors Private LimitedActive, Karnataka, since 2013
- Opentrade LtdActive, Other letting and operating of own or leased real estate, Watford, United Kingdom
- OpenTrade SPCActive, George Town, Cayman Islands
- Opentrading Group Ltd.Active, The Valley, Anguilla
- Opentraintimes Ltd.Active, Business and domestic software development, London, United Kingdom
- Opentransformers LtdActive, Research and experimental development on biotechnology, Tamworth, United Kingdom
- OpenTravel Alliance
- Opentravel LimitedActive, Travel agency activities, Burnham-On-Sea, United Kingdom
- Opentreatment Private LimitedActive, Delhi, since 2026
- Opentree Web Private LimitedActive, Maharashtra, since 2011
- Opentrends Technologies Private LimitedActive, Kerala, since 2011
- Opentriangle Multiservices PrivatelimitedActive, Maharashtra, since 2019
- Opentric Private LimitedActive, West Bengal, since 2025
- Opentrons LabworksLong Island City, United States
- Opentrons Labworks UK Ltd.Active, Information technology consultancy activities, Belfast, United Kingdom
- OpentrustActive, Other education n.e.c., Cambridge, United Kingdom
- Openttd Distribution LtdActive, Publishing of computer games, Banchory, United Kingdom
- Opentuned LtdActive, Information technology consultancy activities, London, United Kingdom
- Openturf Technologies Private LimitedActive, Karnataka, since 2015
- Opentutor Design School LLPActive, since 2024
- Opentutor LtdActive, Other education n.e.c., Coventry, United Kingdom
- OpenTVCheseaux-sur-Lausanne
- Opentv India Private LimitedDissolved, Maharashtra, since 2008
- Openui LtdActive, Information technology consultancy activities, Bedford, United Kingdom
- OpenukActive, Retail sale via mail order houses or via Internet, London, United Kingdom
- OpenUKUnited Kingdom
- Openultra Transport LtdLiquidation, Combined office administrative service activities, Manchester, United Kingdom
- Openumbrella Studios Private LimitedStruck off, Maharashtra, since 2010
- Openunit LimitedLiquidation, Globe Street, United Kingdom
- OPENUP ApSActive, Middelfart, Denmark
- OpenUp B.V.Active, Amsterdam, Kingdom of the Netherlands
- OPENUP Consulting Services ApSActive, Haderslev, Denmark
- OpenUp Group B.V.Active, Amsterdam, Kingdom of the Netherlands
- Openup Health LtdActive, Other human health activities, London, United Kingdom
- Openup Locksmiths LtdActive, Other professional, scientific and technical activities n.e.c., London, United Kingdom
- Openup Technologies Private LimitedActive, Uttar Pradesh, since 2021
- Openupp Media Works Private LimitedActive, Delhi, since 2018
- Openvale LimitedActive, Tortola, British Virgin Islands
- Openvalue Technologies Private LimitedActive, Maharashtra, since 2013
- Openvas LtdActive, Information technology consultancy activities, London, United Kingdom
- OpenVault
- Openvbx Corp LLPActive, Gujarat, since 2025
- Openventure Technologies Private LimitedActive, Tamil Nadu, since 2025
- Openvest GmbHActive, Ibbenbüren, Germany
- Openvest India Private LimitedActive, Gujarat, since 2025
- Openveuu Private LimitedActive, West Bengal, since 2026
- Openvian LimitedActive, Other telecommunications activities, Kin Gton, United Kingdom
- Openviate Technologies Private LimitedActive, Karnataka, since 2020
- Openvibe LimitedActive, Information technology consultancy activities, Ipswich, United Kingdom
- Openvideo LtdActive, Other software publishing, Kington, United Kingdom
- Openvidi LtdActive, Other software publishing, London, United Kingdom
- Openview Consultancy International LimitedActive, Other information technology service activities, Lisburn, United Kingdom
- Openview Developments LtdActive (proposal to strike off), Other business support service activities n.e.c., Reading, United Kingdom
- Openview Document Management Solutions LimitedActive, Other activities of employment placement agencies, Aylesbury, United Kingdom
- Openview Doors & Windows LimitedActive, Other building completion and finishing, Gloucester, United Kingdom
- Openview Education LtdActive, Educational support services, London, United Kingdom
- Openview Electrical Solutions LimitedActive, Dormant Company, Romford, United Kingdom
- Openview Estates LimitedActive, Other letting and operating of own or leased real estate, London, United Kingdom
- Openview Executive Pension SchemeActive, Leicester, United Kingdom
- Openview Exteriors LtdActive (proposal to strike off), Other construction installation, Haywards Heath, United Kingdom
- Openview Financial Consultancy LimitedActive, Activities of insurance agents and brokers, Belfast, United Kingdom
- Openview Financial LtdActive, Financial intermediation not elsewhere classified, London, United Kingdom
- Openview Group LimitedActive, Non-trading company, Romford, United Kingdom
- Openview LimitedActive, Financial management, London, United Kingdom
- Openview Properties LimitedActive, Other letting and operating of own or leased real estate, London, United Kingdom
- Openview Security Solutions LimitedActive, Electrical installation, Essex, United Kingdom
- Openview Security Systems LimitedActive, Dormant Company, Romford, United Kingdom
- Openview SRL - Virtual Building SolutionsActive, Mantova, Italy
- Openview Technologies Private LimitedActive, Maharashtra, since 1996
- Openview Technology ικεActive, Agios Dimitrios, Greece
- Openville LimitedActive, Artistic creation, Southwark, United Kingdom
- Openvirtual Storage & Systems Technologies India Private LimitedActive, Maharashtra, since 2015
- Openvisas HR Consultants Private LimitedActive, Kerala, since 2024
- Openvision LimitedActive, Development of building projects, Thornton Heath, United Kingdom
- Openvision Systems Private LimitedActive, Rajasthan, since 2019
- Openvista LtdActive, Business and domestic software development, London, United Kingdom
- Openvivo LtdActive, Other retail sale not in stores, stalls or markets, Chislehurst, United Kingdom
- Openvoice LimitedActive, Wired telecommunications activities, York, United Kingdom
- Openvolt LimitedInactive, Dublin 2, Ireland
- Openvora LtdActive, Business and domestic software development, Walsall, United Kingdom
- Openvpn Inc.Active, Wilmington, United States
- Openvue LtdActive, Other information technology service activities, London, United Kingdom
- Openvuz LPActive, London, United Kingdom
- Openw3b FoundationActive, Tamil Nadu, since 2021
- Openwage LimitedActive, Business and domestic software development, London, United Kingdom
- Openwall LimitedActive, Manufacture of other builders' carpentry and joinery, Liverpool, United Kingdom
- OpenwallsSan Francisco
- Openwalls Marketing and Consulting (OPC) Private LimitedActive, Karnataka, since 2018
- Openware Computer Systems UK LtdActive, Other information technology service activities, Croydon, United Kingdom
- Openware Computing LimitedActive, Information technology consultancy activities, Chester, United Kingdom
- Openware Innotech Private LimitedActive, Tamil Nadu, since 2022
- Openwater
- Openwater Energy LimitedActive, Management consultancy activities other than financial management, London, United Kingdom
- Openwater Group LimitedActive, Activities of other holding companies n.e.c., London, United Kingdom
- Openwater Holdings LimitedActive, Activities of other holding companies n.e.c., Chelmsford, United Kingdom
- Openwater Renewables LimitedActive, Other service activities n.e.c., London, United Kingdom
- Openwater.in Private LimitedActive, Karnataka, since 2016
- Openwatertwin CicActive, Business and domestic software development, Cambridge, United Kingdom
- OpenwaveUnited States
- Openwave Computing Services Private LimitedActive, Tamil Nadu, since 2007
- Openwave DSS Private LimitedStruck off, Tamil Nadu, since 2000
- Openwave India Private LimitedActive, Maharashtra, since 2012
- Openwave India Private LimitedActive, Maharashtra, since 2012
- Openwave S.R.L. UnipersonaleActive, Codogno, Italy
- Openwave Systems Service India Private LimitedStruck off, Maharashtra, since 2003
- Openwavenetworks LtdActive, Wireless telecommunications activities, Braintree, United Kingdom
- Openwaves Technology LtdActive, Business and domestic software development, Essex, United Kingdom
- Openway - Aluguer De Veiculos, LdaInactive, Castanheira Do Ribatejo, Portugal
- Openway AI Labs Private LimitedActive, Odisha, since 2023
- Openway Consulting LimitedActive, Information technology consultancy activities, Mildenhall, United Kingdom
- Openway Corporate LimitedActive, Dormant Company, London, United Kingdom
- Openway Digital LimitedActive, Business and domestic software development, London, United Kingdom
- OpenWAY EuropeActive, Mont-Saint-Guibert, Belgium
- Openway Holdings LimitedActive, Portomaso, Malta
- Openway Investments LimitedActive, Other service activities n.e.c., Staines-Upon-Thames, United Kingdom
- Openway LtdActive, Other software publishing, London, United Kingdom
- Openway MCR LimitedActive, Retail sale via mail order houses or via Internet, Manchester, United Kingdom
- Openway Recovery LtdActive, Other human health activities, Croydon, United Kingdom
- Openway Solutions LimitedActive (proposal to strike off), Activities of other holding companies n.e.c., Oldham, United Kingdom
- Openway Technologies LtdActive, Business and domestic software development, London, United Kingdom
- Openway Trading LimitedActive, Other letting and operating of own or leased real estate, Woodford Green, United Kingdom
- Openway Ventures LimitedActive, Dormant Company, Salford, United Kingdom
- Openwayz Property Management LtdActive, Buying and selling of own real estate, London, United Kingdom
- Openwealth, S.A.Active, Madrid, Spain
- Openweather Ltd.Active, Other professional, scientific and technical activities n.e.c., London, United Kingdom
- OpenWeatherMap
- OpenWeb
- OpenWebInternet, New York City
- Openweb Analysts LimitedActive, Information technology consultancy activities, London, United Kingdom
- Openweb Labs Private LimitedStruck off, Maharashtra, since 2011
- Openwebcloud Private LimitedActive, Maharashtra, since 2021
- Openwebcreations LimitedActive, Data processing, hosting and related activities, Milton Keynes, United Kingdom
- Openweigh LtdActive, Repair of electrical equipment, Cardiff, United Kingdom
- Openweightless C.I.C.Active, Wireless telecommunications activities, Gateshead, United Kingdom
- Openwell LtdActive, Management consultancy activities other than financial management, Oxford, United Kingdom
- Openwell Solutions (Runcorn) LimitedActive, Retail sale via stalls and markets of other goods, Manchester, United Kingdom
- Openwex LtdActive (proposal to strike off), Retail sale via mail order houses or via Internet, Durham, United Kingdom
- Openwide Coastal LimitedActive, Support activities to performing arts, Richmond, United Kingdom
- Openwide Health LtdActive, Business and domestic software development, London, United Kingdom
- Openwide International LimitedActive, Activities of amusement parks and theme parks, Richmond, United Kingdom
- Openwide International Small Self Administered SchemeActive, Richmond, United Kingdom
- Openwide Investments LimitedActive, Nicosia, United Kingdom
- Openwide Service LimitedActive, Advertising agencies, London, United Kingdom
- Openwifi Labs Private LimitedActive, Telangana, since 2016
- Openwine LimitedActive, Wholesale of wine, beer, spirits and other alcoholic beverages, Mattingley, United Kingdom
- Openwings Learning System Private LimitedActive, Bihar, since 2017
- Openwings LtdActive, Other education n.e.c., London, United Kingdom
- Openwings Wellness Private LimitedActive, Uttar Pradesh, since 2020
- Openwire Global Innovations Private LimitedActive, Kerala, since 2025
- Openwise LimitedActive, Activities of other holding companies n.e.c., London, United Kingdom
- Openwits Soft Solutions Private LimitedStruck off, Telangana, since 2011
- Openwood Aluminium LimitedActive, Other retail sale of new goods in specialised stores (not commercial art galleries and opticians), Leigh-On-Sea,
- Openwood Maintenance LimitedActive, Other specialised construction activities n.e.c., Chelmsford, United Kingdom
- Openwood Special Projects LimitedActive (proposal to strike off), Other specialised construction activities n.e.c., Leigh-On-Sea, United Kingdom
- Openwood Structural Glazing LimitedActive, Other retail sale of new goods in specialised stores (not commercial art galleries and opticians), Leigh-On-Sea,
- Openwood Windows & Doors LimitedActive, Dormant Company, Leigh-On-Sea, United Kingdom
- OpenWorkShibuya Scramble Square, Japan
- Openwork Access LimitedActive, Other business support service activities n.e.c., Swindon, United Kingdom
- Openwork Holdings LimitedActive, Activities of head offices, Swindon, United Kingdom
- Openwork Independent Solutions LimitedActive, Activities of head offices, Swindon, United Kingdom
- Openwork Labs Private LimitedActive, Maharashtra, since 2021
- Openwork LimitedActive, Financial intermediation not elsewhere classified, Swindon, United Kingdom
- Openwork Market Solutions LimitedInactive, Swindon, United Kingdom
- Openwork Partnership LLPActive, Swindon, United Kingdom
- Openwork S.R.L.Active, Bari, Italy
- Openwork Services LimitedActive, Other service activities n.e.c., Swindon, United Kingdom
- Openwork Telecom LimitedActive (proposal to strike off), Wired telecommunications activities, Nottingham, United Kingdom
- Openworkpark Technology Private LimitedActive, Uttar Pradesh, since 2025
- Openworks Engineering LtdActive, Manufacture of other special-purpose machinery n.e.c., Prudhoe, United Kingdom
- Openworks Technologies Private LimitedStruck off, Delhi, since 2011
- Openworks Ventures LLPActive, since 2026
- Openworld Consult LtdActive, Engineering related scientific and technical consulting activities, Birmingham, United Kingdom
- Openworld Consulting LtdActive, Management consultancy activities other than financial management, Birmingham, United Kingdom
- Openworld Content LimitedActive, Advertising agencies, E83Qd, United Kingdom
- Openworld Digital Private LimitedActive, Telangana, since 2024
- Openworld Escapes LimitedActive, Travel agency activities, West Drayton, United Kingdom
- Openworld Food Safety Consortium LtdActive, Other food services, Nottingham, United Kingdom
- Openworld PLC - Russell Investments Multi-Factor Global Equity FundActive, Dublin, Ireland
- Openworld Public Limited CompanyActive, Dublin, Ireland
- Openworld Public Limited Company - Europe Focus EquityActive, Dublin, Ireland
- Openworld Public Limited Company - Global Dynamic BondActive, Dublin, Ireland
- Openworld Public Limited Company - Global Focus EquityActive, Dublin, Ireland
- Openworld Public Limited Company - Global Opportunistic Listed Property FundActive, Dublin, Ireland
- Openworld Public Limited Company - India Focus EquityActive, Dublin, Ireland
- Openworld Public Limited Company - Russell Investments Euro CreditActive, Dublin, Ireland
- Openworld Public Limited Company - Russell Investments Multi-Strategy Alternative Ucits FundActive, Dublin, Ireland
- Openworld Public Limited Company - Russell Investments Us CreditActive, Dublin, Ireland
- Openworld Security Services LimitedActive, Private security activities, Romford, United Kingdom
- Openworld Services LimitedActive, Other business support service activities n.e.c., London, United Kingdom
- Openworld Systems Private LimitedStruck off, Tamil Nadu, since 2002
- Openworldlab LtdActive, Business and domestic software development, Didcot, United Kingdom
- Openwrench India Private LimitedActive, Tamil Nadu, since 2022
- Openwriteup Solutions (OPC) Private LimitedActive, Maharashtra, since 2022
- Openx LimitedActive, Information technology consultancy activities, London, United Kingdom
- Openx S.R.L.Active, Roma, Italy
- Openx Software LimitedActive, Information technology consultancy activities, London, United Kingdom
- Openx Technologies, Inc.Active, online advertising, Wilmington, United States
- Openxar Infosys Private LimitedActive, Delhi, since 2025
- Openxc LimitedActive, Other software publishing, Manchester, United Kingdom
- Openxccess LimitedActive, Other information technology service activities, Stanmore, United Kingdom
- Openxcell Technolabs Private LimitedActive, Ahmedabad, since 2009
- Openxi.com Private LimitedStruck off, Delhi, since 2000
- Openxoft Technologies Private LimitedActive, Delhi, since 2013
- Openxpu Computing Private LimitedStruck off, Telangana, since 2023
- Openxr Innovations Private LimitedActive, Karnataka, since 2023
- Openxt Tchnolutions Private LimitedActive, Maharashtra, since 2024
- Openxtro Virtual Services LLPActive, Telangana
- Openyard LimitedActive, Development of building projects, London, United Kingdom
- Openyield Trading LLCActive, Wilmington, United States
- Openzen LtdActive, Other building completion and finishing, Bournemouth, United Kingdom
- Openzeq Group LtdActive, Business and domestic software development, London, United Kingdom
- OpenZFS
- Openzip LtdActive, Retail sale of computers, peripheral units and software in specialised stores, Egham, United Kingdom
- Openzo Softcorp Private LimitedActive, Andhra Pradesh, since 2024
- Openzon India Private LimitedActive, Karnataka, since 2019
- Openzoom365 Online Trading PrivatelimitedActive, Karnataka, since 2019
- Opeongo Capital Management LimitedActive, Activities of other holding companies n.e.c., Warwick, United Kingdom
- Opeople Listen Technologies Private LimitedActive, West Bengal, since 2017
- Opeose Technologies Private LimitedActive, Karnataka, since 2024
- OpEPAColombia
- Opepe Farming Limited PartnershipActive, Taupo, New Zealand
- Opepl Fresh Private LimitedActive, Tripura, since 2018
- Opeq Medical Devices Private LimitedStruck off, Tamil Nadu, since 1997
- Opeq-Infotech Solutions Private LimitedActive, Kerala, since 2022
- Opeque LimitedActive, Other business support service activities n.e.c., Godalming, United Kingdom
- Oper Consulting Private LimitedUnder process of striking off, Maharashtra, since 2012
- Oper Credits BVActive, Antwerpen, Belgium
- Oper Credits LtdActive, Business and domestic software development, South Cave, United Kingdom
- Oper Delicias, S.A.Active, Zaragoza, Spain
- Oper Sierra SLActive, Madrid, Spain
- Oper-Ai Group LtdActive, Business and domestic software development, Manchester, United Kingdom
- Oper-Car S.R.L.Active, Opera, Italy
- Oper-Traimer, S.A.Active, Madrid, Spain
- Oper8 Global LimitedActive, Other information technology service activities, Kidlington, United Kingdom
- Oper8 Green Private LimitedActive, Uttar Pradesh, since 2024
- Oper8 Group Holdings LimitedActive, Activities of other holding companies n.e.c., Kidlington, United Kingdom
- Oper8 LtdActive, Business and domestic software development, Oswestry, United Kingdom
- Oper8 Marine Private LimitedActive, Uttar Pradesh, since 2021
- Oper8 Software Ltd.Active, Other information technology service activities, Rainham, United Kingdom
- Oper84u Ltd.Active, Business and domestic software development, Rainham, United Kingdom
- OperaChennai
- OperaActive, Milano, Italy
- OperaActive, Halluin, France
- OperaActive, Paris, France
- OperaActive, Paris, France
- OperaActive, Tassin-La-Demi-Lune, France
- OperaActive, Annecy, France
- OperaActive, Paris, France
- Opera
- Opera
- Opera & Ballet Productions LimitedActive, Artistic creation, Maidstone, United Kingdom
- Opera & Co LtdActive (proposal to strike off), Bookkeeping activities, Cardiff, United Kingdom
- Opera - Fondo Comune Di Investimento Immobiliare Alternativo RiservatoActive, Milano, Italy
- Opera - Sas LtdActive, since 2001
- Opera - Societa' A Responsabilita' LimitataActive, Parma, Italy
- Opera 20 S.P.A.Active, Genova, Italy
- Opera 2001 SLActive, Alicante/Alacant, Spain
- Opera 33Active, Paris, France
- Opera a la Carte
- Opera AddisonInactive, Luxembourg, Luxembourg
- Opera Advertising Private LimitedStruck off, Delhi, since 1993
- Opera Agencies Private LimitedStruck off, Maharashtra, since 1990
- Opera Agri Science LLPActive, Gujarat, since 2026
- Opera AI LimitedActive (proposal to strike off), Management consultancy activities other than financial management, Weybridge, United Ki
- Opera Air-Hostess Training Institute Private LimitedActive, Uttar Pradesh, since 2007
- Opera AmericaNew York City, United States
- Opera and Co UK LtdActive, Bookkeeping activities, Harrow, United Kingdom
- Opera Anywhere LimitedActive, Performing arts, Sunningwell, United Kingdom
- Opera Apartments LimitedActive, Dormant Company, Coventry, United Kingdom
- Opera Appalti S.R.L.Active, Torregrotta, Italy
- Opera Archidiocesana Della Preservazione Della Fede E Della ReligioneActive, Ferrara, Italy
- Opera Art & Craft Private LimitedActive, Rajasthan, since 2025
- Opera Art Experience LtdActive (proposal to strike off), Activities of exhibition and fair organisers, London, United Kingdom
- Opera Ascend LLPActive, since 2026
- Opera Assisstenza E Attivita Sociale Madonna Di FatimaActive, Nicosia, Italy
- Opera Assistenziale Stefano Toffoli - EtsActive, Valeggio Sul Mincio, Italy
- Opera Australia Capital Fund UKActive, Non-trading company, Crediton, United Kingdom
- Opera Australia Hotel GP S.à r.l.Inactive, Luxembourg, Luxembourg
- OPERA AUSTRALIA HOTEL S.C.SpActive, Luxembourg, Luxembourg
- Opera Automotive LimitedActive, Wholesale trade of motor vehicle parts and accessories, Thorne, United Kingdom
- Opera Awards 2022 LimitedActive, Operation of arts facilities, London, United Kingdom
- Opera Aylesbury LimitedActive (proposal to strike off), Take-away food shops and mobile food stands, Dunstable, United Kingdom
- Opera Babes
- Opera Barolo E.M.Active, Torino, Italy
- Opera Bay Holding B.V.Active, Burgh-Haamstede, Kingdom of the Netherlands
- Opera Bespoke Ltd.Active, Performing arts, London, United Kingdom
- Opera BohemiaActive, United Kingdom
- Opera Bohemia
- Opera Bonomelli - OnlusActive, Bergamo, Italy
- Opera Boston
- Opera BR Fundusz Inwestycyjny Zamknięty W LikwidacjiActive, Warszawa, Poland
- Opera Brava LimitedActive, Performing arts, Chichester, United Kingdom
- Opera Builders LimitedActive, Rajasthan, since 1995
- Opera Buildtech Private LimitedActive, Chandigarh, since 2016
- Opera Cakes & Desserts LtdActive, Manufacture of bread; manufacture of fresh pastry goods and cakes, Manchester, United Kingdom
- Opera Capital GmbHActive, Vaduz, Liechtenstein
- Opera Capital Management LimitedActive, Financial intermediation not elsewhere classified, London, United Kingdom
- Opera Capital Partners LtdActive, Financial management, London, United Kingdom
- Opera Capital Sdn BhdActive, 20 Jalan Perak, Malaysia
- Opera Capital Services LLPActive, since 2024
- Opera Capital SàrlInactive, Luxembourg, Luxembourg
- Opera Cardinal Ferrari EtsActive, Milano, Italy
- Opera Care Private LimitedActive, Haryana, since 2020
- Opera CarolinaCharlotte, United States
- Opera Casa FamigliaActive, Padova, Italy
- Opera Catering LtdActive, Unlicensed restaurants and cafes, Oxford, United Kingdom
- Opera Ceramics LimitedStruck off, Gujarat, since 2000
- Opera Charitable FoundationActive, Haryana, since 2021
- Opera Charitas S.annaActive, Garlasco, Italy
- Opera Chemisol India Private LimitedActive, Tamil Nadu, since 2017
- Opera Chits Private LimitedStruck off, Kerala, since 2001
- Opera Cinema Private LimitedActive, Maharashtra, since 2016
- Opera Circus LimitedActive, Artistic creation, London, United Kingdom
- Opera Cleantech Private LimitedActive, Gujarat, since 2025
- Opera Cleveland
- Opera Clinic LtdActive, Specialists medical practice activities, London, United Kingdom
- Opera Clothing Private LimitedActive, Maharashtra, since 2008
- Opera Co-Pro LtdActive, Management consultancy activities other than financial management, London, United Kingdom
- Opera Colonizers Private LimitedActive, Rajasthan, since 2015
- Opera ColoradoUnited States
- Opera Columbus
- Opera Commerce LimitedActive, Wholesale of petroleum and petroleum products, London, United Kingdom
- Opera Compusoft Private LimitedAmalgamated, Delhi, since 2008
- Opera Concertante
- Opera Construction and Infrastructure Private LimitedActive, Chhattisgarh, since 2026
- Opera Constructions Private LimitedActive, Haryana, since 2012
- Opera Consulting LtdActive, Accounting and auditing activities, London, United Kingdom
- Opera Corcontica
- Opera Costruzioni S.R.L.Active, Genova, Italy
- Opera Costruzioni S.R.L.Active, Torino, Italy
- Opera Court Freehold LimitedActive, Residents property management, London, United Kingdom
- Opera Court Management LimitedActive, Other letting and operating of own or leased real estate, London, United Kingdom
- Opera CQS S.R.L. in LiquidazioneInactive, Conegliano, Italy
- Opera Cruise LimitedActive, Sea and coastal passenger water transport, Uxbridge, United Kingdom
- Opera Culinaria LtdActive, Event catering activities, London, United Kingdom
- Opera De LyonActive, Lyon, France
- Opera Dei LumiActive, United Kingdom
- Opera Del Duomo Di OrvietoActive, Orvieto, Italy
- Opera Del Piccolo Seminario Dei Cuori Di Maria E Gesu'Active, Sesto Fiorentino, Italy
- Opera Del Preziosissimo Sangue Cenacolo Della Carita'Active, Verona, Italy
- Opera Dell'immacolata Comitato Bolognese Per L'integrazione Sociale EtsActive, Bologna, Italy
- Opera Della LunaActive, Artistic creation, Bicester, United Kingdom
- Opera Della MetropolitanaActive, Siena, Italy
- Opera Della Misericordia Societa' A Responsabilita' Limitata O in Breve ""Opera Della Misericordia S.R.L.""Active, Grosseto, Italy
- Opera Della PrimazialeActive, Pisa, Italy
- Opera Della Provvidenza S.antonioActive, Rubano, Italy
- Opera Delle Chiese Cristiane Dei FratelliActive, Firenze, Italy
- Opera Desarrollo Inmobiliario SLActive, San Roque, Spain
- Opera DevelopersActive, Ahmedabad, India
- Opera Developers Private LimitedActive, Karnataka, since 2006
- Opera Developments LimitedActive, Development of building projects, Cookstown, United Kingdom
- Opera Di Nostra Signora Del Sacro CuoreActive, Cremona, Italy
- Opera di prevenzione antitubercolare infantileItaly
- Opera Di Religione Della Diocesi Di RavennaActive, Ravenna, Italy
- Opera Di S. Maria Del FioreActive, Firenze, Italy
- Opera Di S.teresa Del Bambino Gesu'Active, Ravenna, Italy
- Opera Di San Domenico Per I Figli Della Divina ProvvidenzaActive, Bologna, Italy
- Opera Di Santa CroceActive, Firenze, Italy
- Opera Di Santa Maria A PonticelliActive, Reggello, Italy
- Opera Di Soccorso Dell'ordine Di San Giovanni in I Talia - I Giovanniti Sezione Di Lignano Sabbiadoro (Ud) O.D.V.Active, Lignano Sabbiadoro, Italy
- Opera Di Terra SantaActive, Napoli, Italy
- Opera Diamond Private LimitedStruck off, Maharashtra, since 2007
- Opera Diaspora LtdActive, Performing arts, London, United Kingdom
- Opera Dining LtdActive (proposal to strike off), Licensed restaurants, London, United Kingdom
- Opera Diocesana "Pro Clero"Active, Bergamo, Italy
- Opera Diocesana Adorazione PerpetuaActive, Padova, Italy
- Opera Diocesana Carita' Della Verita' Per L'apostolato Del Santo VangeloActive, Bologna, Italy
- Opera Diocesana Charitas ChristiActive, Potenza, Italy
- Opera Diocesana Di Assistenza Religiosa E Sociale - O.D.A.Active, Pordenone, Italy
- Opera Diocesana Di S. Anselmo VescovoActive, Mantova, Italy
- Opera Diocesana Di S. Pietro Martire Per La Preservazione Della FedeActive, Verona, Italy
- Opera Diocesana Ist. S. VincenzoActive, Milano, Italy
- Opera Diocesana Madonna Dei Bambini-Villaggio Del RagazzoActive, Chiavari, Italy
- Opera Diocesana Madonna Della FiduciaActive, San Lazzaro Di Savena, Italy
- Opera Diocesana Maria AssuntaActive, Novara, Italy
- Opera Diocesana Patronato San VincenzoActive, Bergamo, Italy
- Opera Diocesana Pellegrinaggi S.R.L.Active, Torino, Italy
- Opera Diocesana Per La Pastorale MissionariaActive, Trento, Italy
- Opera Diocesana Per La Preservazione Della FedeActive, Susa, Italy
- Opera Diocesana Per La Preservazione Della FedeActive, Ivrea, Italy
- Opera Diocesana Per La Preservazione E Diffusione Della FedeActive, Bari, Italy
- Opera Diocesana Per La Preservazione E La Diffusione Della FedeActive, Milano, Italy
- Opera Diocesana Preservazione Della FedeActive, Genova, Italy