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Companies starting with Q

53,593 profiles.

• Quantree Investment Pte. Ltd.Active, Singapore, Singapore
• Quantrek S.R.L.Active, Campi Bisenzio, Italy
• Quantrelic Analytics Private LimitedActive, Maharashtra, since 2026
• Quantrell Allen LimitedActive, Management consultancy activities other than financial management, London, United Kingdom
• Quantrell Consulting LimitedActive, Other information technology service activities, Sandhurst, United Kingdom
• Quantrell Holdings LimitedActive, Activities of other holding companies n.e.c., Norwich, United Kingdom
• Quantrelle Asset Management LimitedActive, Residents property management, Peterborough, United Kingdom
• Quantrelle Packaging Solutions LimitedActive, Packaging activities, Enfield, United Kingdom
• Quantrellis Capital LimitedActive, Activities of other holding companies n.e.c., Yateley, United Kingdom
• Quantrellis Developments LimitedActive, Dormant Company, Yateley, United Kingdom
• Quantrellis LtdActive, Dormant Company, Doncaster, United Kingdom
• Quantrello Digital Private LimitedActive, West Bengal, since 2017
• Quantrend LtdActive, Other business support service activities n.e.c., Frinton-On-Sea, United Kingdom
• Quantres Asset Management LimitedActive, George Town, Cayman Islands
• QuantRes Fund SPC - Futures Segregated PortfolioActive, George Town, Cayman Islands
• QuantRes Fund SPC - Stocks Segregated PortfolioActive, George Town, Cayman Islands
• Quantres Futures SP (China) LtdActive, George Town, Cayman Islands
• Quantres Holdings LimitedActive, George Town, Cayman Islands
• Quantres Kauri Segregated Portfolio (Brazil) LLCActive, Wilmington, United States
• Quantrex Capital LimitedInactive, Central And Western District, Hong Kong
• Quantrex Construction LtdActive, Construction of domestic buildings, Southend-On-Sea, United Kingdom
• Quantrex Global Trade LLPActive, Gujarat, since 2026
• Quantrex Industries LLPActive, Haryana, since 2025
• Quantrex Infotech Private LimitedActive, Delhi, since 2026
• Quantrex Innovation Private LimitedActive, Maharashtra, since 2026
• Quantrex LtdActive, Other retail sale not in stores, stalls or markets, London, United Kingdom
• Quantrex Peripherals Private LimitedActive, Delhi, since 2026
• Quantrex Pharma Private LimitedActive, Maharashtra, since 2025
• Quantrex Services LtdActive, Construction of domestic buildings, Bexleyheath, United Kingdom
• Quantrex Trading LtdActive, Retail sale of computers, peripheral units and software in specialised stores, Hounslow, United Kingdom
• Quantrex Trading Private LimitedActive, Delhi, since 2026
• Quantrexz Merchandise Export Private LimitedActive, Tamil Nadu, since 2025
• Quantri LimitedActive, Information technology consultancy activities, Silsoe, United Kingdom
• Quantribute Europe LimitedActive, Santa Venera, Malta
• Quantribute Research Technologies LLPActive, since 2024
• Quantric Trading LtdActive, Management consultancy activities other than financial management, Horsham, United Kingdom
• Quantricks LtdActive, Other information technology service activities, London, United Kingdom
• Quantricksanalytics Private LimitedActive, Maharashtra, since 2018
• Quantrics Enterprises Inc.Active, Toronto, Canada
• Quantridge Technologies LtdActive, Business and domestic software development, Sutton, United Kingdom
• Quantright LtdActive, Other information technology service activities, London, United Kingdom
• Quantril Market Equities Capital Solutions Private LimitedActive, Karnataka, since 2025
• Quantril Technologies Private LimitedActive, Maharashtra, since 2024
• Quantrill & Quantrill LtdActive, specialised design activities, Bristol, United Kingdom
• Quantrill Computer LimitedActive, Business and domestic software development, Sawston, United Kingdom
• Quantrill Contractors LimitedActive, Construction of commercial buildings, Lowestoft, United Kingdom
• Quantrill Designs LimitedActive, specialised design activities, Oakham, United Kingdom
• Quantrill LtdActive, specialised design activities, London, United Kingdom
• Quantrill Partners LtdActive, Engineering related scientific and technical consulting activities, North Walsham, United Kingdom
• Quantrill Properties (East Anglia) LtdActive, Buying and selling of own real estate, Lowestoft, United Kingdom
• Quantrill Properties LimitedActive, Other letting and operating of own or leased real estate, Lowestoft, United Kingdom
• Quantrill Property Solutions LimitedActive, Other specialised construction activities n.e.c., London, United Kingdom
• Quantrill Sales LtdActive, Agents involved in the sale of a variety of goods, Peterborough, United Kingdom
• Quantrin OÜActive, Tallinn, Estonia
• Quantrins Solutions LLPActive, since 2026
• Quantrio LtdActive, Retail sale via mail order houses or via Internet, London, United Kingdom
• Quantrion GmbHActive, Stuttgart, Germany
• Quantrion Systems (OPC) Private LimitedActive, Karnataka, since 2025
• Quantrise LtdActive, Information technology consultancy activities, London, United Kingdom
• Quantrisk Private LimitedActive, Haryana, since 2023
• Quantrium Tech Private LimitedActive, Tamil Nadu, since 2019
• Quantrive Solutions Private LimitedActive, Maharashtra, since 2025
• Quantriver Financial, LLCActive, Fort Myers, United States
• Quantrix BPO Services Private LimitedActive, Delhi, since 2022
• Quantrix Estates Private LimitedActive, Delhi, since 2023
• Quantrix Healthcare Private LimitedActive, Madhya Pradesh, since 2012
• Quantrix India Private LimitedActive, Gujarat, since 2026
• Quantrix LtdActive, Accounting and auditing activities, Kings Langley, United Kingdom
• Quantrix Solutions Private LimitedActive, Delhi, since 2013
• Quantrnsprung Consulting LLPActive, Haryana
• Quantro Commerce LtdActive, Retail sale via mail order houses or via Internet, London, United Kingdom
• Quantro Grid Private LimitedActive, Haryana, since 2026
• Quantro Group LimitedActive, Activities of other holding companies n.e.c., London, United Kingdom
• Quantro Industries LtdActive, Landscape service activities, Bracknell, United Kingdom
• Quantro LimitedActive, Engineering design activities for industrial process and production, Skelmersdale, United Kingdom
• Quantro Support LimitedLiquidation, Other activities of employment placement agencies, Birmingham, United Kingdom
• Quantro Ventures LLPActive, since 2025
• Quantrobit Labs Private LimitedActive, Delhi, since 2026
• Quantroboanalytics Consulting Private LimitedActive, Maharashtra, since 2017
• Quantrock LLPActive, since 2026
• Quantrocle Private LimitedActive, Uttar Pradesh, since 2025
• Quantrofx Pvt LimitedActive, Other business support service activities n.e.c., Essex, United Kingdom
• Quantrol Solutions LtdActive, Information technology consultancy activities, Leicester, United Kingdom
• Quantroll Capital LLCActive, Sugar Land, United States
• Quantrologee LtdActive, Manufacture of electronic components, Glasgow, United Kingdom
• Quantrolox Holding OyActive, Espoo, United Kingdom
• Quantrolox LimitedActive, Other software publishing, Oxford, United Kingdom
• Quantrolox Quantum Solutions Private LimitedActive, Karnataka, since 2025
• Quantromind Private LimitedActive, Maharashtra, since 2026
• Quantron AgActive, Gersthofen, Germany
• Quantron Business Tech Solutions Private LimitedActive, Tamil Nadu, since 2017
• Quantron International Private LimitedActive, Delhi, since 2026
• Quantron IT LLPActive, since 2026
• Quantron UK LimitedActive, Business and domestic software development, Hove, United Kingdom
• Quantroni Investments LimitedActive, Nicosia, United Kingdom
• Quantronic Techno Innovations Private LimitedActive, Andhra Pradesh, since 2017
• Quantronics LtdActive, Business and domestic software development, London, United Kingdom
• QuantronixNoida
• Quantronix BPO Private LimitedActive, Delhi, since 2005
• Quantronix IT Solutions Private LimitedActive, Uttar Pradesh, since 2019
• Quantronix LtdActive (proposal to strike off), Information technology consultancy activities, Preston, United Kingdom
• Quantronix Tech Labs LLPActive, since 2024
• Quantroom Technologies Private LimitedActive, Tamil Nadu, since 2026
• Quantropix Lotus Innovation LLPActive, since 2026
• Quantropy LtdActive, Information technology consultancy activities, London, United Kingdom
• Quantropy Research and Solution LLPActive, Maharashtra, since 2026
• Quantroq LimitedActive, Web portals, Birmingham, United Kingdom
• Quantros Systems LLPActive, since 2026
• Quantrosoft Pte. Ltd.Active, Singapore, Singapore
• Quantrova AI Private LimitedActive, Nagaland, since 2026
• Quantrova Analytics LLPActive, since 2026
• Quantrum AGActive, Bassersdorf, Switzerland
• Quantrum Civils LtdActive, Construction of other civil engineering projects n.e.c., Manchester, United Kingdom
• Quantrum Hype (OPC) Private LimitedActive, Delhi, since 2024
• Quantrust Technologies Private LimitedActive, Delhi, since 2021
• Quantrust Vermogensbeheer B.V.Active, Amsterdam, Kingdom of the Netherlands
• Quantrx LtdActive, Other service activities n.e.c., London, United Kingdom
• Quantryva Technologies LtdActive, Wholesale of computers, computer peripheral equipment and software, Newport Pagnell, United Kingdom
• Quantryx LtdActive, Business and domestic software development, London, United Kingdom
• Quants & Projects LtdActive, Quantity surveying activities, Bolton, United Kingdom
• Quants Accounting LimitedActive, Accounting and auditing activities, London, United Kingdom
• Quants and Capital Market Consultants Private LimitedActive, Delhi, since 2007
• Quants Consulting LimitedActive, Management consultancy activities other than financial management, Cranleigh, United Kingdom
• Quants Environmental LimitedActive, Environmental consulting activities, Ripon, United Kingdom
• Quants Estimating LtdActive, Development of building projects, Woking, United Kingdom
• Quants Flowers OÜActive, Tallinn, Estonia
• Quants Investment Strategy & ConsultancyStruck off, Tamil Nadu, since 2017
• Quants Kaksha Private LimitedActive, Uttar Pradesh, since 2021
• Quants MultistrategyInactive, Frankfurt Am Main, Germany
• Quants School of Business Studies Private LimitedActive, Karnataka, since 2026
• Quants Space Digital Assets UsaldusfondActive, Tallinn, Estonia
• Quants Street LtdActive, Quantity surveying activities, Borehamwood, United Kingdom
• Quants Surveying LtdActive, Quantity surveying activities, Glasgow, United Kingdom
• Quants Surveying Services LLPActive, London, United Kingdom
• Quants Taxidrivers LLPActive, Delhi
• Quants Technologies Spółka AkcyjnaActive, Zdunska Wola, Poland
• Quants Trading Partners LLPStruck off, Maharashtra
• Quants Tredstock LLPActive, since 2024
• Quants Vermögensmanagement AGActive, Nürnberg, Germany
• Quantsamarth CapitalsActive, Almere, Kingdom of the Netherlands
• Quantsapp Algo Private LimitedActive, Maharashtra, since 2025
• Quantsapp Private LimitedActive, Mumbai, since 2016
• Quantsapp Wealth Private LimitedActive, Maharashtra, since 2021
• Quantscale Private LimitedActive, Uttar Pradesh, since 2025
• Quantscale Software Solutions Private LimitedActive, Delhi, since 2023
• Quantscape Private LimitedActive, Gujarat, since 2026
• Quantschain Solutions Private LimitedActive, Telangana, since 2019
• Quantscientist Fintech Private LimitedActive, Haryana, since 2021
• Quantscope LLPActive, since 2024
• Quantscope LtdActive, Other activities of employment placement agencies, London, United Kingdom
• Quantse Solucoes E Consultoria LtdaActive, Brasilia, Brazil
• Quantsedge Advisory Services Private LimitedActive, Delhi, since 2008
• Quantsemicon Private LimitedActive, Odisha, since 2024
• Quantserv LtdActive, Retail sale via mail order houses or via Internet, London, United Kingdom
• Quantserve LimitedActive, Quantity surveying activities, Loughborough, United Kingdom
• Quantservice Infobizz Private LimitedActive, Delhi, since 2025
• Quantsetu Technologies LLPActive, since 2026
• QuantsGeek Technology LimitedActive, Hong Kong, Hong Kong
• Quantsgrow Private LimitedActive, Punjab, since 2022
• Quantsia Technologies LLPActive, Tamil Nadu, since 2016
• QuantsightActive, Maisons Laffitte, France
• Quantsight OyActive, Espoo, Finland
• Quantsilica Private LimitedActive, Karnataka, since 2026
• Quantsio Information Technologies Private LimitedActive, Karnataka, since 2017
• Quantsiri Analytics LLPActive, Telangana
• Quantsium Technologies Private LimitedActive, Tamil Nadu, since 2025
• Quantsix AI LLPActive, Maharashtra, since 2024
• Quantskill Private LimitedActive, Uttar Pradesh, since 2026
• Quantskill Training Institute Private LimitedActive, Delhi, since 2026
• Quantsmart Technologies LtdActive, Business and domestic software development, Eastleigh, United Kingdom
• Quantsmart Trading Private LimitedActive, Gujarat, since 2022
• Quantsmiths LimitedActive, Management consultancy activities other than financial management, Bodmin, United Kingdom
• Quantsoft Engineering Solutions Private LimitedActive, Maharashtra, since 2004
• Quantsoft India Private LimitedActive, Maharashtra, since 2006
• Quantsoft Solutions LLPActive, Maharashtra
• Quantsoft Solutions Private LimitedActive, Maharashtra, since 2004
• Quantsoftai Private LimitedActive, Delhi, since 2025
• Quantsolar Technologies Private LimitedActive, West Bengal, since 2016
• Quantsolns LtdActive, Financial intermediation not elsewhere classified, Sutton, United Kingdom
• QuantsOneR Solutions LLPStruck off, Maharashtra
• Quantsource India Private LimitedUnder process of striking off, Maharashtra, since 2016
• Quantspace Asset Management LLPActive, since 2026
• Quantspace Realty LLPActive, since 2025
• Quantspace Ventures LLPActive, since 2025
• Quantspark LimitedActive, Business and domestic software development, London, United Kingdom
• Quantspectra Geo Intelligence Private LimitedActive, Uttar Pradesh, since 2024
• Quantspire Innovations Private LimitedActive, Telangana, since 2026
• Quantsquare Crypto LS OpportunitiesActive, George Town, Cayman Islands
• Quantsquare LLPActive, since 2026
• Quantsquest Consulting LLPActive, Maharashtra, since 2025
• Quantss LimitedActive, Information technology consultancy activities, Bolton, United Kingdom
• Quantstack Technologies India Private LimitedActive, Haryana, since 2019
• Quantstant Trading Private LimitedActive, Maharashtra, since 2025
• Quantstar Services LLPActive, Haryana, since 2025
• Quantstark Analytics Private LimitedActive, Rajasthan, since 2026
• Quantstellation Investment Management (Cyprus) LimitedActive, Limassol, Cyprus
• Quantston Securities LLPActive, Jharkhand
• QuantStrat Digital Asset High Yield Fund, LPActive, Wilmington, United States
• Quantstrats Consultancy LLPActive, Maharashtra
• Quantstream LimitedActive, Activities of open-ended investment companies, London, United Kingdom
• Quantstreet Global Ifsc LLPActive, since 2024
• Quantstreet LLPActive, Delhi
• Quantstride LLPActive, Karnataka
• QuantStrike GmbHActive, Dortmund, Germany
• Quantsult LtdActive, Quantity surveying activities, Doncaster, United Kingdom
• Quantsultant LtdActive, Other professional, scientific and technical activities n.e.c., London, United Kingdom
• Quantsulting GmbHActive, Wermatswil, Switzerland
• Quantsulting LimitedActive, Risk and damage evaluation, London, United Kingdom
• Quantsummit AI (OPC) Private LimitedActive, West Bengal, since 2026
• Quantsurv LtdActive, Quantity surveying activities, London, United Kingdom
• Quantswift Private LimitedActive, West Bengal, since 2020
• Quantsys Ventures Private LimitedActive, Maharashtra, since 2024
• Quantt Cyf.Active, Development of building projects, Penarth, United Kingdom
• Quantta Analytics Private LimitedActive, West Bengal, since 2006
• Quanttas Surveying LimitedActive, Quantity surveying activities, Hawkinge, Folkestone, United Kingdom
• Quantte LtdActive, Information technology consultancy activities, London, United Kingdom
• Quanttec Solutions LLPStruck off, Karnataka
• Quanttech Telematics Private LimitedActive, Uttar Pradesh, since 2021
• Quanttechgrid Private LimitedActive, Karnataka, since 2025
• Quanttek LtdLiquidation, Other business support service activities n.e.c., Hayling Island, United Kingdom
• Quanttel LimitedActive, Management consultancy activities other than financial management, Rochdale, United Kingdom
• Quantterra Quantum Therapy Exim Private LimitedStruck off, Delhi, since 2002
• Quanttiterra S LActive, Madrid, Spain
• Quanttra Management LLPActive, since 2026
• Quanttum Infra Developers Private LimitedActive, Tamil Nadu, since 2021
• Quanttum Surveying LimitedActive, Other business support service activities n.e.c., Warrington, United Kingdom
• Quantu GmbHActive, Köln, Germany
• Quantua LtdActive, Other software publishing, Morley, United Kingdom
• Quantuam Cart LtdActive, Other retail sale not in stores, stalls or markets, Birmingham, United Kingdom
• Quantuin ApSActive, Måløv, Denmark
• Quantuit LtdActive, Human resources provision and management of human resources functions, Cowes, United Kingdom
• Quantuitive Business Consultants LLPActive, Punjab
• Quantulum LtdActive, Information technology consultancy activities, Corsham, United Kingdom
• Quantulum Ventures Private LimitedActive, Karnataka, since 2021
• Quantulus LimitedActive, Accounting and auditing activities, High Wycombe, United Kingdom
• QuantumActive, Samoreau, France
• QuantumActive, Paris, France
• QuantumActive, Thonon-Les-Bains, France
• QuantumInactive, Paris, France
• QuantumActive, Charenton-Le-Pont, France
• QuantumActive, Enghien-Les-Bains, France
• QuantumActive, Paris, France
• Quantum (Barrowsfield) LtdActive, Other business support service activities n.e.c., Croydon, United Kingdom
• Quantum (BPO) Solutions Private LimitedActive, Singapore, Singapore
• Quantum (Flimwell) LtdActive (proposal to strike off), Other business support service activities n.e.c., Croydon, United Kingdom
• Quantum (Grays) Management Company LimitedActive, Residents property management, Croydon, United Kingdom
• Quantum (London) Services LimitedActive, Activities of insurance agents and brokers, London, United Kingdom
• Quantum (M) LimitedActive, Trianon, Mauritius
• Quantum (MCL) LimitedActive, Other service activities n.e.c., Huddersfield, United Kingdom
• Quantum (Pollards Hill) LtdActive (proposal to strike off), Other business support service activities n.e.c., Croydon, United Kingdom
• Quantum (R)evolution LLPActive, Telangana, since 2025
• Quantum (Scot) LimitedActive (proposal to strike off), Construction of commercial buildings, Glasgow, United Kingdom
• Quantum - 1 Services LtdActive, Other business support service activities n.e.c., Slough, United Kingdom
• Quantum - Exchange Office SRLActive, București, Romania
• Quantum - Gestão Imobiliária, S.aActive, Vila Nova De Gaia, Portugal
• Quantum - Trust GmbHActive, Neudorf Im Weinviertel, Austria
• Quantum 1 Fundusz Inwestycyjny Zamknięty Aktywów NiepublicznychInactive, Warszawa, Poland
• Quantum 1 LimitedActive, Dormant Company, London, United Kingdom
• Quantum 13 LLCInactive, Wilmington, United States
• Quantum 2 Fundusz Inwestycyjny Zamknięty Aktywów Niepublicznych W LikwidacjiInactive, Warszawa, Poland
• Quantum 2 LimitedActive, Retail sale via mail order houses or via Internet, Wallasey Wirral, United Kingdom
• Quantum 2 Re LtdActive, St. Helier, United Kingdom
• Quantum 2000 LimitedActive, Engineering related scientific and technical consulting activities, By Oban, United Kingdom
• Quantum 2020 LimitedActive, Construction of commercial buildings, Lancing, United Kingdom
• Quantum 21 LtdActive, Information technology consultancy activities, London, United Kingdom
• Quantum 2300 System Private LimitedActive, Maharashtra, since 2026
• Quantum 25 LtdActive, Construction of domestic buildings, Harrow, United Kingdom
• Quantum 2X LtdActive, Information technology consultancy activities, London, United Kingdom
• Quantum 30 LimitedActive, Other letting and operating of own or leased real estate, Newcastle Under Lyme, United Kingdom
• Quantum 360 Group LtdActive, Activities of other holding companies n.e.c., London, United Kingdom
• Quantum 360 Investments LtdActive, Other letting and operating of own or leased real estate, London, United Kingdom
• Quantum 360 LimitedActive, Management consultancy activities other than financial management, London, United Kingdom
• Quantum 4 Fundusz Inwestycyjny Zamknięty Aktywów Niepublicznych w likwidacjiActive, Warszawa, Poland
• Quantum 4Xytesoftware Architects Private LimitedStruck off, Tamil Nadu, since 1999
• Quantum 5000 LimitedActive, Financial management, Great Missenden, United Kingdom
• Quantum 55 Services LtdActive, Buying and selling of own real estate, Oakham, United Kingdom
• Quantum 5G Networks LLPActive, since 2026
• Quantum 6 LimitedActive, Other building completion and finishing, Kingston Upon Thames, United Kingdom
• Quantum 7 LimitedActive, Activities of other holding companies n.e.c., Hull, United Kingdom
• Quantum 76 LimitedActive (proposal to strike off), Wholesale of wood, construction materials and sanitary equipment, Belfast, United Kingd
• Quantum 786 Quill LtdActive, Other publishing activities, Liverpool, United Kingdom
• Quantum 8 Fundusz Inwestycyjny Zamknięty Aktywów NiepublicznychInactive, Warszawa, Poland
• Quantum 9 Fundusz Inwestycyjny Zamknięty Aktywów NiepublicznychInactive, Warszawa, Poland
• Quantum 9 Technologies Private LimitedActive, Maharashtra, since 2016
• Quantum A1 Spółka Z Ograniczoną OdpowiedzialnościąActive, Warszawa, Poland
• Quantum A4 Finance Spółka Z Ograniczoną OdpowiedzialnościąActive, Warszawa, Poland
• Quantum A4 Spółka Z Ograniczoną OdpowiedzialnościąActive, Warszawa, Poland
• Quantum Aardvark LtdActive, Performing arts, Coalville, United Kingdom
• Quantum Aberdeen LimitedActive, Quantity surveying activities, Peterhead, United Kingdom
• Quantum Abundance Human Resource Trainin G Private LimitedStruck off, Tamil Nadu, since 2006
• Quantum Acceleration Capital LtdActive, Activities of venture and development capital companies, London, United Kingdom
• Quantum Access Solutions LimitedActive, Dormant Company, Hartley Wintney, United Kingdom
• Quantum Accident Management LtdActive, Maintenance and repair of motor vehicles, Liverpool, United Kingdom
• Quantum Accountancy & Tax Services LtdActive, Bookkeeping activities, Hendon, United Kingdom
• Quantum Accountancy LimitedActive, Accounting and auditing activities, Berkshire, United Kingdom
• Quantum Accountancy Services LimitedActive, Accounting and auditing activities, Boldon Colliery, United Kingdom
• Quantum Accountants LimitedActive, Non-trading company, London, United Kingdom
• Quantum Accounting & Tax Services LtdActive, Accounting and auditing activities, London, United Kingdom
• Quantum Accounting and Business Solutions LtdActive, Accounting and auditing activities, North Shields, United Kingdom
• Quantum Accounting LtdActive, Accounting and auditing activities, Northolt, United Kingdom
• Quantum Accounting Services LimitedActive, Accounting and auditing activities, Milton Keynes, United Kingdom
• Quantum Accounting Solutions LtdActive, Accounting and auditing activities, Hove, United Kingdom
• Quantum Accounts Private LimitedStruck off, Maharashtra, since 2010
• Quantum Accreditation Associates Private LimitedStruck off, Maharashtra, since 2011
• Quantum Ace LimitedActive, Buying and selling of own real estate, Wokingham, United Kingdom
• Quantum Acoustics LtdActive, Engineering related scientific and technical consulting activities, Godalming, United Kingdom
• Quantum Acquisitions LimitedActive (proposal to strike off), Other information service activities n.e.c., Cardiff, United Kingdom
• Quantum Acres Private LimitedActive, Karnataka, since 2026
• Quantum Act LtdActive, Other letting and operating of own or leased real estate, South Ockendon, United Kingdom
• Quantum Active Carbon Private LimitedActive, Delhi, since 2004
• Quantum Actuarial LLPActive, Cardiff, United Kingdom
• Quantum Acumen Private LimitedActive, Kerala, since 2023
• Quantum Adhd Success LtdActive, Cultural education, London, United Kingdom
• Quantum Advance Ortho & Physio Centre LLPActive, since 2026
• Quantum Advanced Solutions LtdActive, Manufacture of other inorganic basic chemicals, Kidlington, United Kingdom
• Quantum Advanced Systems LimitedActive, Wholesale of electronic and telecommunications equipment and parts, Bournemouth, United Kingdom
• Quantum Advanced Visualsystems Private LimitedStruck off, Karnataka, since 2018
• Quantum Advantage IncActive, East Bay Street, The Bahamas
• Quantum Advantage LtdActive, Information technology consultancy activities, London, United Kingdom
• Quantum Adventure & Tourism Private LimitedStruck off, West Bengal, since 2011
• Quantum Advice LimitedActive, Financial management, Welwyn, United Kingdom
• Quantum Advise LPActive, Edinburgh, United Kingdom
• Quantum Advisors LLPActive, Cranleigh, United Kingdom
• Quantum Advisors Private LimitedActive, Maharashtra, since 1990
• Quantum Advisors, Inc.Active, Panama, Panama
• Quantum Advisory & Transformation LtdActive, Information technology consultancy activities, Bury St. Edmunds, United Kingdom
• Quantum Advisory LimitedActive, Pension funding, Cardiff, United Kingdom
• Quantum Advisory Services LtdActive, Buying and selling of own real estate, London, United Kingdom
• Quantum Aecd Group UK LtdActive, Activities of construction holding companies, Morden, United Kingdom
• Quantum Aegis Private LimitedActive, Maharashtra, since 2021
• Quantum AeonBangalore
• Quantum Aequitas Consulting LimitedActive (proposal to strike off), Development of building projects, London, United Kingdom
• Quantum Aerodefence LtdActive, Defence activities, Inverness, United Kingdom
• Quantum Aesthetics Group LtdActive (proposal to strike off), Hairdressing and other beauty treatment, Birmingham, United Kingdom
• Quantum Aesthetics LimitedActive, Specialists medical practice activities, Tadcaster, United Kingdom
• Quantum Aesthetics S.L.Active, Barcelona, Spain
• Quantum AGActive, Zug, Switzerland
• Quantum Age Capital LtdActive, Activities of other membership organizations n.e.c., London, United Kingdom
• Quantum Age LimitedActive, Buying and selling of own real estate, Uxbridge, United Kingdom
• Quantum Age Solutions LimitedActive, Information technology consultancy activities, Hillingdon, United Kingdom
• Quantum Age Tech Solutions Private LimitedActive, Gujarat, since 2002
• Quantum Agencies Private LimitedStruck off, West Bengal, since 2008
• Quantum Agents Private LimitedActive, Telangana, since 2025
• Quantum Aggregates LtdLiquidation, Collection of non-hazardous waste, Croydon, United Kingdom
• Quantum Agri Holdings LimitedActive, Activities of other holding companies n.e.c., United Kingdom, United Kingdom
• Quantum Agri Nutrition LtdActive, Support activities for animal production (other than farm animal boarding and care) n.e.c., Brampton, United Kin
• Quantum Agri Partners Private LimitedActive, Haryana, since 2026
• Quantum Agro Private LimitedStruck off, West Bengal, since 2010
• Quantum Agro-Tech LimitedActive, Freight transport by road, Telford, United Kingdom
• Quantum Agrochem India Private LimitedActive, Tamil Nadu, since 2026
• Quantum AI & Innovation Pty LtdActive, Ryde, Australia
• Quantum AI & Technologies LtdActive, Other information technology service activities, Cardiff, United Kingdom
• Quantum AI Acquisitions LtdActive, Development of building projects, Glasgow, United Kingdom
• Quantum AI Consulting LtdActive, Information technology consultancy activities, Crumlin, United Kingdom
• Quantum AI Cube Private LimitedActive, Bihar, since 2026
• Quantum AI Enterprise Private LimitedActive, Maharashtra, since 2024
• Quantum AI Fund SICAV plcActive, Valletta, Malta
• Quantum AI Health Technologies LimitedActive, Information technology consultancy activities, Leeds, United Kingdom
• Quantum AI Holdings LimitedActive, Activities of other holding companies n.e.c., London, United Kingdom
• Quantum AI Insights Private LimitedActive, Maharashtra, since 2026
• Quantum AI Leadership LtdActive, Information technology consultancy activities, London, United Kingdom
• Quantum AI LtdActive, Other information technology service activities, Hounslow, United Kingdom
• Quantum AI Marketing LtdActive, Information technology consultancy activities, Cheadle, United Kingdom
• Quantum AI Research Private LimitedActive, Delhi, since 2025
• Quantum AI Robotics LtdActive, Business and domestic software development, City Of London, United Kingdom
• Quantum AI Secure Living Systems LtdActive, Other research and experimental development on natural sciences and engineering, Kington, United Kingdom
• Quantum AI Solutions LtdActive, Information technology consultancy activities, Peterborough, United Kingdom
• Quantum AI Solutions Private LimitedActive, Gujarat, since 2026
• Quantum AI Tech Ventures Private LimitedActive, Maharashtra, since 2025
• Quantum AI Technologies LtdActive, Business and domestic software development, London, United Kingdom
• Quantum AI Time Crystal LtdActive, Λάρνακα, Cyprus
• Quantum Air & Sea LimitedActive, Sea and coastal freight water transport, Harrow, United Kingdom
• Quantum Air Conditioning LimitedActive, Plumbing, heat and air-conditioning installation, Sheffield, United Kingdom
• Quantum Air LtdActive, Engineering related scientific and technical consulting activities, Godalming, United Kingdom
• Quantum Air Technology LimitedActive, Other manufacturing n.e.c., Rossendale, United Kingdom
• Quantum Alchemy LimitedActive, Other information technology service activities, Hull, United Kingdom
• Quantum Ale Construction LtdActive, Construction of domestic buildings, Ilford, United Kingdom
• Quantum Algebraic Hub Limited LtdActive, Engineering design activities for industrial process and production, London, United Kingdom
• Quantum Alignment - Bioresonance Healing LimitedActive, Specialists medical practice activities, Morpeth, United Kingdom
• Quantum Allied Securities Private LimitedStruck off, Odisha, since 2008
• Quantum Alloys India LLPActive, Karnataka, since 2025
• Quantum Ally LtdActive, Other information service activities n.e.c., Amersham, United Kingdom
• Quantum Alpha LimitedActive, Management consultancy activities other than financial management, London, United Kingdom
• Quantum Am LtdActive, Activities of other holding companies n.e.c., London, United Kingdom
• Quantum Amalgamations LimitedActive, Other professional, scientific and technical activities n.e.c., London, United Kingdom
• Quantum Amplitude AI Private LimitedActive, Uttar Pradesh, since 2026
• Quantum Anaesthesia LtdActive, General medical practice activities, London, United Kingdom
• Quantum Analysis Energy LimitedActive, Management consultancy activities other than financial management, Newcastle Upon Tyne, United Kingdom
• Quantum Analysis Fund Ltd.Active, Nassau, The Bahamas
• Quantum Analysis Management Ltd.Active, Nassau, The Bahamas
• Quantum Analysis, Inc.Active, Wilmington, United States
• Quantum Analytica LtdActive, Data processing, hosting and related activities, Crowthorne, United Kingdom
• Quantum Analytical Data Systems Private LimitedActive, Maharashtra, since 2008
• Quantum Analytics LimitedActive, Other education n.e.c., London, United Kingdom
• Quantum and AI Technologies LimitedActive, Management consultancy activities other than financial management, Bexhill, United Kingdom
• Quantum Anvils LtdActive, Other letting and operating of own or leased real estate, Wilmslow, United Kingdom
• Quantum Apparel Group Inc.Active, Vancouver, Canada
• Quantum Apparels Private LimitedStruck off, Tamil Nadu, since 1997
• Quantum ApplicationsMumbai
• Quantum Applied AI Systems Private LimitedActive, Karnataka, since 2026
• Quantum Applied Intelligence LtdActive, Business and domestic software development, Purley, United Kingdom
• Quantum Apptech Private LimitedActive, Tamil Nadu, since 2026
• QUANTUM ApSActive, Gl Skørping, Denmark
• Quantum Aps LtdActive, Manufacture of other inorganic basic chemicals, London, United Kingdom
• Quantum Aqua LLPStruck off, Maharashtra
• Quantum Arbiter LimitedActive, Quantity surveying activities, North Yorkshire, United Kingdom
• Quantum Arc Advisory LLPActive, Telangana, since 2026
• Quantum Arc LimitedActive, Unlicensed restaurants and cafes, London, United Kingdom
• Quantum Arcadia LLPActive, since 2025
• Quantum Architectural Designs LimitedActive, Architectural activities, Carshalton, United Kingdom
• Quantum Art and Culture LimitedActive, Agents involved in the sale of textiles, clothing, fur, footwear and leather goods, Liverpool, United Kingdom
• Quantum Art LtdActive (proposal to strike off), Other retail sale not in stores, stalls or markets, Harlow, United Kingdom
• Quantum Art Technologies UK LtdActive, Manufacture of electronic components, London, United Kingdom
• Quantum Artificial Intelligence Sociedad LimitadaActive, Leioa, Spain
• Quantum Artificial Intelligence Systems Private LimitedActive, Karnataka, since 2026
• Quantum Ascend Labs LtdActive, Business and domestic software development, Northwood Hills, United Kingdom
• Quantum Ascent Solutions LimitedActive, Wholesale of other machinery and equipment, London, United Kingdom
• Quantum Aseptic Services LimitedActive, Manufacture of pharmaceutical preparations, Burnopfield, United Kingdom
• Quantum Asia Private LimitedActive, Telangana, since 2005
• Quantum Assessment LimitedActive, Accounting and auditing activities, Poole, United Kingdom
• Quantum Asset Holdings LimitedActive, Construction of domestic buildings, Burton-On-Trent, United Kingdom
• Quantum Asset Management Company Private LimitedActive, Maharashtra, since 2005
• Quantum Asset Management GmbH & Co. KGActive, Sylt, Germany
• Quantum Asset Management Spółka Z Ograniczoną OdpowiedzialnościąActive, Poznań, Poland
• Quantum Assets Holdings LtdActive, Buying and selling of own real estate, Leeds, United Kingdom
• Quantum Assets LimitedActive, Other business support service activities n.e.c., London, United Kingdom
• Quantum Assets Management LtdActive, Other letting and operating of own or leased real estate, Wolverhampton, United Kingdom
• Quantum Assets S.L.Active, Madrid, Spain
• Quantum Assets Spółka Z Ograniczoną OdpowiedzialnościąActive, Kraków, Poland
• Quantum Assets Technologies SIAActive, Rīga, Latvia
• Quantum Associates (UK) LtdActive, Engineering related scientific and technical consulting activities, Sidcup, United Kingdom
• Quantum Ats LimitedActive, Accounting and auditing activities, Ilford, United Kingdom
• Quantum Attire LLPActive, since 2026
• Quantum Au LimitedActive, Financial intermediation not elsewhere classified, Manchester, United Kingdom
• Quantum Audio Events LtdActive, Support activities to performing arts, Launceston, United Kingdom
• Quantum Audio LimitedActive, Manufacture of other electrical equipment, Launceston, United Kingdom
• Quantum Auditing LtdActive, Management consultancy activities other than financial management, Altrincham, United Kingdom
• Quantum Auditoria SLActive, Figueres, Spain
• Quantum Auto Solutions LtdActive, Sale of used cars and light motor vehicles, Glasgow, United Kingdom
• Quantum Auto Tech Private LimitedStruck off, Tamil Nadu, since 2005
• Quantum Autohaus LtdActive (proposal to strike off), Sale of used cars and light motor vehicles, Bolton, United Kingdom
• Quantum Automation and IT Services Private LimitedActive, Maharashtra, since 2026
• Quantum Automation and Security LimitedActive, Manufacture of metal structures and parts of structures, Catterick Garrison, United Kingdom
• Quantum Automation LimitedActive, Manufacture of electronic industrial process control equipment, Camberley, United Kingdom
• Quantum Automation Private LimitedActive, Tamil Nadu, since 1996
• Quantum Automation Private LimitedStruck off, Telangana, since 2002
• Quantum Automations Group LtdActive, Business and domestic software development, London, United Kingdom
• Quantum Automotive Group LtdActive (proposal to strike off), Retail trade of motor vehicle parts and accessories, Christchurch, United Kingdom
• Quantum Automotive LimitedActive, Maintenance and repair of motor vehicles, Brackley, United Kingdom
• Quantum Automotive Solutions LtdActive, Maintenance and repair of motor vehicles, Keighley, United Kingdom
• Quantum Automotive Traders Private Limited (OPC)Under process of striking off, Andhra Pradesh, since 2014
• Quantum Automotiveni LtdActive, Maintenance and repair of motor vehicles, Ballyclare, United Kingdom
• Quantum Autos Ni LtdActive, Sale of new cars and light motor vehicles, Dungannon, United Kingdom
• Quantum Aviation LimitedActive (proposal to strike off), Activities of head offices, Prestwick, United Kingdom
• Quantum Awards LimitedActive, Other education n.e.c., Meriden, United Kingdom
• Quantum Axis LimitedActive, Management consultancy activities other than financial management, Winchester, United Kingdom
• Quantum Axis Private LimitedActive, Gujarat, since 2025
• Quantum B.V.Active, Leidschendam, Kingdom of the Netherlands
• Quantum Banking Resource Centre Private LimitedActive, Gujarat, since 1993
• Quantum Banque Ltd.Active (proposal to strike off), Financial intermediation not elsewhere classified, London, United Kingdom
• Quantum Base Alpha LtdActive, Other information technology service activities, Brighton, United Kingdom
• Quantum Base Enterprises LimitedActive, Other engineering activities, Stockport, United Kingdom
• Quantum Base Holdings PLCActive, Activities of other holding companies n.e.c., Lancaster, United Kingdom
• Quantum Base LimitedActive, Other engineering activities, Stockport, United Kingdom
• Quantum Basements India Private LimitedActive, Tamil Nadu, since 2017
• Quantum Bastion LimitedActive, Private security activities, Hessle, United Kingdom
• Quantum Battery Metals Corp.Active, Vancouver, Canada
• Quantum Bay LtdActive, Business and domestic software development, Feltham, United Kingdom
• Quantum Beauty & Health Solutions Private LimitedStruck off, Delhi, since 2007
• Quantum Beer LimitedActive, Dormant Company, Essex, United Kingdom
• Quantum Beetle Private LimitedActive, Delhi, since 2025
• Quantum Bells LtdActive, Construction of utility projects for electricity and telecommunications, Crawley, United Kingdom
• Quantum Beta Private LimitedActive, West Bengal, since 2020
• QUANTUM Betriebsmanagement & Consulting GmbHActive, Gäufelden, Germany
• Quantum Beverages Private LimitedActive, West Bengal, since 2014
• Quantum Bim LtdActive, specialised design activities, Wickford, United Kingdom
• Quantum Bio Dynamics LtdActive, Business and domestic software development, London, United Kingdom
• Quantum Bio Health Private LimitedStruck off, Delhi, since 2004
• Quantum Bio Labs LLPActive, since 2025
• Quantum Bioenergy Private LimitedActive, Tamil Nadu, since 2025
• Quantum Biolabs LtdActive, Other research and experimental development on natural sciences and engineering, London, United Kingdom
• Quantum Biologicals LLPActive, since 2024
• Quantum Biologicals Private LimitedActive, Tamil Nadu, since 2001
• Quantum Biopharma Ltd.Active, Toronto, Canada
• Quantum Biopharma Ltd.Listed, United States
• Quantum Biosciences Private LimitedActive, Karnataka, since 2024
• Quantum Biosphere Private LimitedActive, Karnataka, since 2025
• Quantum Biotech Private LimitedActive, Gujarat, since 2002
• Quantum Bit OyActive, Oulu, Finland
• Quantum Bits LtdActive, Business and domestic software development, Harrow, United Kingdom
• Quantum Bliss LtdActive, Business and domestic software development, London, United Kingdom
• Quantum Block Private LimitedActive, Tamil Nadu, since 2020
• Quantum Blockchain LtdActive, Information technology consultancy activities, Cambridge, United Kingdom
• Quantum Blockchain Technologies PLCActive, Activities of head offices, London, United Kingdom
• Quantum Bloom Projects LLPActive, Maharashtra, since 2024
• Quantum Blox India LLPActive, Tamil Nadu
• Quantum Blu LimitedActive, specialised design activities, Harrow, United Kingdom
• Quantum Blue LtdActive, Management consultancy activities other than financial management, London, United Kingdom
• Quantum Blue Technology LtdActive (proposal to strike off), Information technology consultancy activities, Mitcham, United Kingdom
• Quantum Blue Ventures LLPActive, Haryana