Companies starting with O
253,599 records.
- Onyeabo Obasi Services LimitedActive, Dental practice activities, Nottingham, United Kingdom
- Onyebuchi LimitedActive, Regulation of health care, education, cultural and other social services, not incl. social security, London, Uni
- Onyebuchi Solutions LimitedActive (proposal to strike off), Construction of railways and underground railways, London, United Kingdom
- Onyedubemchizzy LimitedActive, Other specialised construction activities n.e.c., London, United Kingdom
- Onyeex Technology Services Private LimitedStruck off, Maharashtra, since 2010
- Onyeji Medicare Services LimitedActive, General medical practice activities, Blackpool, United Kingdom
- Onyejiakag LtdActive, Residential care activities for learning difficulties, mental health and substance abuse, Oldbury, United Kingdo
- Onyeka Gabriel Ibe LtdActive, General medical practice activities, Peterborough, United Kingdom
- Onyeka Town LtdActive, Activities of exhibition and fair organisers, London, United Kingdom
- Onyekasin Care Investment LtdActive (proposal to strike off), Other business support service activities n.e.c., Reading, United Kingdom
- Onyekason Services LtdActive, Sale of used cars and light motor vehicles, Wellingborough, United Kingdom
- Onyekason World LimitedActive, Hospital activities, Witham, United Kingdom
- Onyeken LtdActive, Other letting and operating of own or leased real estate, London, United Kingdom
- Onyelen Football Club and Sports Bar LimitedActive, Licensed restaurants, Kidwelly, United Kingdom
- Onyelen LimitedActive, Sale of used cars and light motor vehicles, Kidwelly, United Kingdom
- Onyema Arbitration Services LimitedActive, Other business support service activities n.e.c., Woodford Green, United Kingdom
- Onyeme LtdActive, Information technology consultancy activities, London, United Kingdom
- Onyen CorporationActive, Toronto, Canada
- Onyen Enterprises LtdActive, Other specialised construction activities n.e.c., Oxford, United Kingdom
- Onyenna Drylining LtdActive, Construction of commercial buildings, London, United Kingdom
- Onyer Marx UK LtdActive, Financial management, Brentwood, United Kingdom
- Onyesho LimitedActive, Other information technology service activities, Spilsby, United Kingdom
- Onyex LtdActive, Buying and selling of own real estate, Exeter, United Kingdom
- Onygo Capital GmbHActive, Hamburg, Germany
- Onyher SLActive, Madrid, Spain
- Onyi 24 Services LimitedActive (proposal to strike off), Hospital activities, Tilbury, United Kingdom
- Onyi Best Services LimitedActive, Child day-care activities, Oldham, United Kingdom
- Onyi Essentials LtdActive, Manufacture of other wearing apparel and accessories n.e.c., London, United Kingdom
- Onyi LimitedActive, Medical nursing home activities, Scunthorpe, United Kingdom
- Onyibee African Food LtdActive, Take-away food shops and mobile food stands, Swindon, United Kingdom
- Onyigift Orsam Global LtdActive, Retail sale via stalls and markets of textiles, clothing and footwear, Caerfyrddin, United Kingdom
- Onyii's Cosmetics LtdActive (proposal to strike off), Manufacture of perfumes and toilet preparations, Ilford, United Kingdom
- Onyijo LimitedActive (proposal to strike off), Other letting and operating of own or leased real estate, Salford, United Kingdom
- Onyilings LimitedActive, Other human health activities, Dagenham, United Kingdom
- Onyimed Rad Services LtdActive, Specialists medical practice activities, Grimsby, United Kingdom
- Onyin LtdActive, Other information technology service activities, London, United Kingdom
- Onyinco LtdActive, Hairdressing and other beauty treatment, London, United Kingdom
- Onyininvestments LtdActive, Buying and selling of own real estate, London, United Kingdom
- Onyinye Iwu LtdActive, Artistic creation, Thornton Heath, United Kingdom
- Onyinye Udokporo LtdActive, Other service activities n.e.c., London, United Kingdom
- Onyirimba Group LimitedActive, Specialists medical practice activities, Fleetwood, United Kingdom
- Onyisab Services LimitedActive, Hospital activities, London, United Kingdom
- Onyix Digital LtdActive, Advertising agencies, Sheffield, United Kingdom
- Onyix LtdActive, Other specialised construction activities n.e.c., Essex, United Kingdom
- Onyks Av LimitedActive, Sound recording and music publishing activities, London, United Kingdom
- Onyl Lohr Holdings LimitedLiquidation, Rayleigh, United Kingdom
- Onyleo LtdActive, Construction of domestic buildings, Harrow, United Kingdom
- Onym AsActive, Ålesund, Norway
- Onym Consultancy LimitedActive, Other professional, scientific and technical activities n.e.c., Frodsham, United Kingdom
- Onyma Technology Private LimitedActive, West Bengal, since 2024
- Onymar LtdActive (proposal to strike off), Activities of other membership organizations n.e.c., Telford, United Kingdom
- Onymar S.R.L.Active, Carrara, Italy
- Onymar Trans LtdActive, Freight transport by road, Spalding, United Kingdom
- Onymax LtdActive, Other business support service activities n.e.c., Maidenhead, United Kingdom
- Onyms Ventures Private LimitedActive, Maharashtra, since 2018
- Onymy Infocomm Private LimitedActive, Tamil Nadu, since 2014
- Onyn LimitedActive, Business and domestic software development, London, United Kingdom
- Onyn Technologies Private LimitedActive, Karnataka, since 2021
- Onyno LimitedActive, Business and domestic software development, London, United Kingdom
- onyo GmbHActive, München, Germany
- Onyol LimitedActive, Retail sale via mail order houses or via Internet, London, United Kingdom
- Onyomark Tech Private LimitedActive, Maharashtra, since 2019
- Onyon Attire LLPActive, since 2024
- Onyou Group LtdActive, Hairdressing and other beauty treatment, New Malden, United Kingdom
- Onyou Investments LtdActive, Other business support service activities n.e.c., Leeds, United Kingdom
- Onyou LtdActive, Retail sale via mail order houses or via Internet, Worcester Park, United Kingdom
- Onyou Properties LtdActive, Renting and operating of Housing Association real estate, Manchester, United Kingdom
- Onyour LimitedActive, Other information technology service activities, Bury St. Edmunds, United Kingdom
- Onyourmark Sports LLPActive, Karnataka, since 2016
- Onyourmarks Athletics LtdActive, Activities of sport clubs, Northampton, United Kingdom
- Onyourmarks Edtech Solutions LLPActive, since 2025
- Onyourshape LtdActive, Manufacture of leather clothes, London, United Kingdom
- Onyoursite LtdActive (proposal to strike off), Other service activities n.e.c., Watford, United Kingdom
- Onyourtiptoes LimitedActive, specialised design activities, Lancaster, United Kingdom
- Onyra Flooring LtdActive, Floor and wall covering, Woking, United Kingdom
- Onyria
- Onyria Group
- Onyria Nutraceuticals Private LimitedActive, Delhi, since 2026
- Onyria OüActive, Tallinn, Estonia
- Onyromancy LimitedActive, Motion picture production activities, London, United Kingdom
- Onyros Management LtdActive, Management consultancy activities other than financial management, London, United Kingdom
- Onys Engineers Private LimitedStruck off, Maharashtra, since 1973
- Onysafe SaActive, Chauchina, Spain
- Onysis S.A.Active, Windhof, Luxembourg
- Onysky Business Marketing Private LimitedActive, Jharkhand, since 2020
- Onysky LimitedActive, Retail sale via mail order houses or via Internet, London, United Kingdom
- Onyss LtdActive, Business and domestic software development, Cheltenham, United Kingdom
- Onyst LtdActive, Retail sale via mail order houses or via Internet, Brentwood, United Kingdom
- Onyt LimitedActive, Credit granting by non-deposit taking finance houses and other specialist consumer credit grantors, Aylesbury, U
- Onytek Hospitality Solutions PrivatelimitedActive, Delhi, since 2019
- Onytime Technologies Private LimitedStruck off, Maharashtra, since 2010
- Onyu Beauty LLPActive, since 2025
- Onyu Industries India Private LimitedActive, Karnataka, since 2022
- Onyu Investing LimitedActive (proposal to strike off), Financial intermediation not elsewhere classified, Leeds, United Kingdom
- Onyu Jewellery LtdActive, Other retail sale in non-specialised stores, Brighton, United Kingdom
- Onyu LimitedActive, Other human health activities, London, United Kingdom
- Onyuma LimitedActive, Media representation services, Harpenden, United Kingdom
- Onyun LimitedActive, Advertising agencies, Preston, United Kingdom
- OnYvaActive, Antwerpen, Belgium
- Onyva Agency LimitedActive, Other professional, scientific and technical activities n.e.c., Cambridge, United Kingdom
- Onyva Co., S.A.Active, Linda-A-Velha, Portugal
- Onyva Cooperativa SocialeActive, Modena, Italy
- Onyva Production Advisors PrivatelimitedActive, Delhi, since 2020
- Onyva Studio LtdActive, Advertising agencies, Leeds, United Kingdom
- Onyva Travel LtdActive, Travel agency activities, Worthing, United Kingdom
- Onyvamos AsActive, Asker, Norway
- Onyvo IT Consultancy LimitedActive, Information technology consultancy activities, Upminster, United Kingdom
- Onyvo LtdActive (proposal to strike off), Accounting and auditing activities, Manchester, United Kingdom
- OnyxActive, Paris, France
- OnyxActive, Megeve, France
- OnyxActive, Bron, France
- OnyxActive, Lasne, Belgium
- OnyxActive, Belcodene, France
- OnyxActive, Paris, France
- OnyxGuangzhou
- Onyx
- Onyx
- Onyx & Associates LtdActive, Management consultancy activities other than financial management, New Malden, United Kingdom
- Onyx & Co Collective LtdActive (proposal to strike off), Other professional, scientific and technical activities n.e.c., Kington, United Kingdom
- Onyx & Panther Group Ltd.Active, Activities of other holding companies n.e.c., London, United Kingdom
- Onyx & Pearl LimitedActive (proposal to strike off), Management consultancy activities other than financial management, Manchester, United K
- Onyx & Raé LtdActive, Cultural education, Walton On Thames, United Kingdom
- Onyx (2002) LimitedActive, Activities of other holding companies n.e.c., Hinckley, United Kingdom
- Onyx (Building Consultancy) LLPActive, Christchurch, United Kingdom
- Onyx (Eco) LtdActive, Growing of other tree and bush fruits and nuts, Derby, United Kingdom
- Onyx (Esp 02) Management Company LimitedActive, Residents property management, Exeter, United Kingdom
- Onyx (India) Leather Industries P. Ltd.Active, Telangana, since 1988
- Onyx (NW) LtdActive, Other service activities n.e.c., Sale, United Kingdom
- Onyx 1Active, Luxembourg, Luxembourg
- Onyx 1 LimitedActive, Other letting and operating of own or leased real estate, Bolton, United Kingdom
- Onyx 12 LimitedActive, Buying and selling of own real estate, Waltham Cross, United Kingdom
- Onyx 2Inactive, Paris 8, France
- Onyx 4X4 LtdActive, Manufacture of other parts and accessories for motor vehicles, Northampton, United Kingdom
- Onyx 8 Properties LtdActive, Other letting and operating of own or leased real estate, Accrington, United Kingdom
- Onyx 9 LtdActive, Other letting and operating of own or leased real estate, Edinburgh, United Kingdom
- Onyx Accountancy LimitedActive, Bookkeeping activities, Hartlepool, United Kingdom
- Onyx Accountants LtdActive, Accounting and auditing activities, Birmingham, United Kingdom
- Onyx Accountants West LtdActive, Accounting and auditing activities, Wolverhampton, United Kingdom
- Onyx Acquisition LLCActive, Wilmington, United States
- Onyx Adhaka Resorts Private LimitedActive, Maharashtra, since 2025
- Onyx Advisory LtdActive, Financial management, Brentford, United Kingdom
- Onyx Advisory Services Private LimitedActive, Telangana, since 2008
- Onyx AG in LiquidationActive, Stansstad, Switzerland
- Onyx Agency LtdActive, Media representation services, Waterlooville, United Kingdom
- Onyx Aggregates Private LimitedActive, Kerala, since 2026
- Onyx Agriexport Private LimitedStruck off, Delhi, since 2013
- Onyx Agrotech (India) LimitedUnder process of striking off, Uttar Pradesh, since 2009
- Onyx AI LimitedActive, Management consultancy activities other than financial management, Ashtead, United Kingdom
- Onyx AktiebolagActive, Skellefteå, Sweden
- Onyx Alliance LimitedActive, Agents involved in the sale of a variety of goods, Telford, United Kingdom
- Onyx Alpha Partners LtdActive, Other activities of employment placement agencies, London, United Kingdom
- Onyx Aluminium LimitedActive, Aluminium production, London, United Kingdom
- Onyx AmbitionActive, Paris, France
- Onyx Americas Holdings LimitedActive, Activities of other holding companies n.e.c., London, United Kingdom
- Onyx Americas LLCActive, Wilmington, United States
- Onyx and Oak Private LimitedActive, Tamil Nadu, since 2026
- Onyx Apartments Management Company LimitedActive, Residents property management, Darlington, United Kingdom
- Onyx Appliances (India) Private LimitedActive, Delhi, since 2012
- Onyx Arch & Co. LtdActive, Development of building projects, Eastleigh, United Kingdom
- Onyx Arches LtdActive, Other service activities n.e.c., London, United Kingdom
- Onyx Architecture & Developments LtdActive, Architectural activities, Grangemouth, United Kingdom
- Onyx Art London LtdActive, Wholesale of household goods (other than musical instruments) n.e.c., London, United Kingdom
- Onyx AsActive, Fana, Norway
- Onyx Asia Pte LimitedActive, since 2006
- Onyx Asset Finance LimitedActive, Financial intermediation not elsewhere classified, Denmead, United Kingdom
- Onyx Asset Management LimitedActive (proposal to strike off), Buying and selling of own real estate, Dundee, United Kingdom
- Onyx Asset Management S.L.Active, Madrid, Spain
- Onyx Assets Group LtdActive, Other letting and operating of own or leased real estate, Doncaster, United Kingdom
- Onyx Assets LLPActive, Karnataka
- Onyx Assets LLPActive, Edinburgh, United Kingdom
- Onyx Associates Private LimitedStruck off, Odisha, since 2013
- Onyx at 600 Apts LLCActive, Wilmington, United States
- Onyx Atelier Styling Limited Liability PartnershipActive, Karnataka, since 2025
- Onyx Audit Et Conseils Societe D'expertise Comptable Et De Commissariat Aux ComptesActive, Schiltigheim, France
- Onyx Audit LtdActive, Accounting and auditing activities, Birmingham, United Kingdom
- Onyx Aureum LimitedActive, Activities of other holding companies n.e.c., Doncaster, United Kingdom
- Onyx Australia Pty Ltd Superannuation Benefit FundActive, Adelaide, Australia
- Onyx Auto Care LtdActive, Maintenance and repair of motor vehicles, Leicester, United Kingdom
- Onyx Auto Detailing LtdActive, Specialised cleaning services, Plymouth, United Kingdom
- Onyx Auto LimitedActive, Sale of used cars and light motor vehicles, Enfield, United Kingdom
- Onyx Auto Parts Pty. Ltd.Active, Brisbane, Australia
- Onyx Autobodys LimitedActive, Maintenance and repair of motor vehicles, West Bromwich, United Kingdom
- Onyx Automation LtdActive, Other information technology service activities, Pickering, United Kingdom
- Onyx Automotive LtdActive, Sale of used cars and light motor vehicles, Birmingham, United Kingdom
- Onyx Autotech Private LimitedActive, Gujarat, since 2010
- Onyx B Investment LtdActive, Buying and selling of own real estate, London, United Kingdom
- Onyx B&R LtdActive, Manufacture of other builders' carpentry and joinery, London, United Kingdom
- ONYX BackUnity GmbHActive, Werder Havel, Germany
- Onyx Bakery LimitedActive, Retail sale of bread, cakes, flour confectionery and sugar confectionery in specialised stores, Purley, United K
- Onyx Ball AsActive, Porsgrunn, Norway
- Onyx Bar and Restaurant LtdActive, Licensed restaurants, West Bromwich, United Kingdom
- Onyx Barbers LtdActive, Hairdressing and other beauty treatment, Southampton, United Kingdom
- Onyx Bars LimitedActive, Public houses and bars, Poole, United Kingdom
- Onyx Basement Services LtdActive, Other specialised construction activities n.e.c., Aylesbury, United Kingdom
- Onyx Beauty and Styling Private LimitedStruck off, Karnataka, since 2013
- Onyx Beauty Bar LtdActive, Hairdressing and other beauty treatment, West Drayton, United Kingdom
- Onyx Beauty LtdActive (proposal to strike off), Retail sale via mail order houses or via Internet, Cardiff, United Kingdom
- Onyx Bee LimitedActive, Other information technology service activities, Maidstone, United Kingdom
- onyx beheer bvActive, Hendrik Ido Ambacht, Kingdom of the Netherlands
- Onyx Bespoke LimitedActive, Manufacture of other furniture, Liverpool, United Kingdom
- Onyx Beverages Private LimitedActive, Goa, since 2003
- Onyx Bidco LimitedActive, Activities of other holding companies n.e.c., London, United Kingdom
- Onyx Bin Valet LimitedActive, Specialised cleaning services, London, United Kingdom
- Onyx Biotec LimitedActive, Himachal Pradesh, since 2005
- Onyx Black Capital SLActive, Madrid, Spain
- Onyx Black LimitedActive, Business and domestic software development, London, United Kingdom
- Onyx Blue Capital Ltd.Active, Dubai, United Arab Emirates
- Onyx Blue Ventures AGActive, Zug, Switzerland
- Onyx Body and Skin LtdActive, Other food services, Hornchurch, United Kingdom
- Onyx Bookings LtdActive, Management consultancy activities other than financial management, Bury, United Kingdom
- Onyx Boox
- Onyx Box LtdActive, Management consultancy activities other than financial management, London, United Kingdom
- Onyx Braking Systems (UK) LtdLiquidation, Manufacture of other transport equipment n.e.c., Walsall, United Kingdom
- Onyx Brass LtdActive, Sound recording and music publishing activities, London, United Kingdom
- Onyx Bridal LtdActive, Retail sale of clothing in specialised stores, Southampton, United Kingdom
- Onyx Brokers Holdings LimitedActive, Activities of financial services holding companies, Brentwood, United Kingdom
- Onyx Brokers LimitedActive, Activities of insurance agents and brokers, High Wycombe, United Kingdom
- Onyx Build Group LtdActive, Development of building projects, London, United Kingdom
- Onyx Build LtdActive, Construction of domestic buildings, Witney, United Kingdom
- Onyx Buildcon LLPActive, Maharashtra
- Onyx Builder LtdActive, Construction of commercial buildings, Swindon, United Kingdom
- Onyx Builders and Developers Private LimitedActive, Delhi, since 2003
- Onyx Building and Landscaping LtdActive, Other construction installation, Chislehurst, United Kingdom
- Onyx Building LtdActive, Other specialised construction activities n.e.c., York, United Kingdom
- Onyx Building Products LtdActive (proposal to strike off), Other specialised construction activities n.e.c., Chatteris, United Kingdom
- Onyx Buildtech LimitedActive, Karnataka, since 2025
- Onyx Bullion LtdActive, Precious metals production, Lymm, United Kingdom
- Onyx Bureau LtdActive, Advertising agencies, London, United Kingdom
- Onyx Business Consulting LimitedActive, Combined office administrative service activities, Leeds, United Kingdom
- Onyx Business Group, LLCActive, Dallas, United States
- Onyx Business Parks Barnstaple LtdActive, Construction of commercial buildings, Exeter, United Kingdom
- Onyx Business Parks Exeter LtdActive, Construction of commercial buildings, Exeter, United Kingdom
- Onyx Business Parks LtdActive, Activities of construction holding companies, Exeter, United Kingdom
- Onyx Business Parks Skypark Offices LtdActive, Construction of commercial buildings, Exeter, United Kingdom
- Onyx Business Parks Tolvaddon LtdActive, Construction of commercial buildings, Exeter, United Kingdom
- Onyx Business Parks Wellington LtdActive, Construction of commercial buildings, Exeter, United Kingdom
- Onyx Business Solutions LtdActive, Collection of non-hazardous waste, Manchester, United Kingdom
- Onyx Business Solutions Private LimitedStruck off, Uttarakhand, since 2012
- Onyx by Feliza Resorts LLPActive, since 2024
- Onyx Cad.com Information Private LimitedStruck off, Delhi, since 2008
- Onyx Camber LimitedActive, Management consultancy activities other than financial management, Halifax, United Kingdom
- Onyx CapitalActive, Versailles, France
- Onyx Capital Advisory LimitedActive, Financial management, London, United Kingdom
- Onyx Capital Apac Pte. Ltd.Active, Singapore, Singapore
- Onyx Capital GmbHActive, Timmendorfer Strand Ot Niendorf, Germany
- Onyx Capital Group LimitedActive, Activities of other holding companies n.e.c., London, United Kingdom
- Onyx Capital Group Services LimitedActive, Activities of other holding companies n.e.c., London, United Kingdom
- Onyx Capital Holding B.V.Active, Doetinchem, Kingdom of the Netherlands
- Onyx Capital Holdings LtdActive, Activities of other holding companies n.e.c., Hessle, United Kingdom
- Onyx Capital LtdActive, Other holiday and other collective accommodation, Edinburgh, United Kingdom
- Onyx Capital OyActive, Helsinki, Finland
- Onyx Capital Partners LimitedActive, Other business support service activities n.e.c., London, United Kingdom
- Onyx Capital Private LimitedUnder process of striking off, Gujarat, since 1998
- Onyx Capital Technology LimitedActive, Other information technology service activities, United Kingdom, United Kingdom
- Onyx Card Care LtdActive, Retail sale via mail order houses or via Internet, Chester, United Kingdom
- Onyx Care Group LtdActive, Residential nursing care facilities, Erith, United Kingdom
- Onyx Care Solutions LtdActive, Human resources provision and management of human resources functions, Nottingham, United Kingdom
- Onyx Care UK LimitedActive, Retail sale of automotive fuel in specialised stores, West Bromwich, United Kingdom
- Onyx Cargo Private Limited.Struck off, Tamil Nadu, since 2008
- Onyx Carriage LtdActive, Taxi operation, London, United Kingdom
- Onyx Cars by Ajaz LtdActive, Sale of used cars and light motor vehicles, Bedford, United Kingdom
- Onyx Cars LtdActive, Sale of used cars and light motor vehicles, Leeds, United Kingdom
- Onyx Catastrophe Fund, Ltd.Active, Hamilton, Bermuda
- Onyx CBG LLPActive, Madhya Pradesh, since 2024
- Onyx Cellulose Private LimitedActive, Delhi, since 2025
- Onyx Centersource (UK) LimitedActive, Other business support service activities n.e.c., London, United Kingdom
- Onyx Centersource AsActive, Tønsberg, Norway
- Onyx Centersource Spain SaActive, Sevilla, Spain
- Onyx Ceramic Car Care LLPActive, Telangana, since 2026
- Onyx Ceramics Private LimitedStruck off, Gujarat, since 1996
- Onyx Chem Trade Private LimitedActive, Gujarat, since 2024
- ONYX Chemicals LtdActive, Majuro, Marshall Islands
- Onyx Chemicals Private LimitedStruck off, Tamil Nadu, since 1985
- Onyx Chit Fund Private LimitedStruck off, Andhra Pradesh, since 1995
- Onyx Chits Private LimitedStruck off, Haryana, since 1995
- Onyx Chocolate Productions LtdActive, Performing arts, Biggleswade, United Kingdom
- Onyx Circulus LtdActive, Management consultancy activities other than financial management, Nottingham, United Kingdom
- Onyx Civils LtdActive, Construction of other civil engineering projects n.e.c., Shaftesbury, United Kingdom
- Onyx Cleaning Service LtdActive, General cleaning of buildings, Craigavon, United Kingdom
- Onyx Climbing LimitedActive, Operation of sports facilities, Blackburn, United Kingdom
- Onyx Clinical LimitedActive, Dormant Company, London, United Kingdom
- Onyx Clinix LtdActive, General medical practice activities, Harlow, United Kingdom
- Onyx Clothing LtdActive, Retail sale via mail order houses or via Internet, Croydon, United Kingdom
- Onyx Coaching & Classes LtdActive, Fitness facilities, Penrith, United Kingdom
- Onyx Coaching & Health LtdActive, Other human health activities, Cowdenbeath, United Kingdom
- Onyx Coaching LtdActive, Other human health activities, Wolverhampton, United Kingdom
- Onyx Coatings and Services LimitedActive, Treatment and coating of metals, Great Yarmouth, United Kingdom
- Onyx Coatings Private LimitedActive, Delhi, since 2024
- Onyx Collaborative Social Work Services LtdActive, Other social work activities without accommodation n.e.c., Stafford, United Kingdom
- Onyx Collective
- Onyx Collective LtdActive, Retail sale via mail order houses or via Internet, Woodbridge, United Kingdom
- Onyx Collector LtdActive, Retail sale of books in specialised stores, Leyland, United Kingdom
- Onyx Commercial LimitedActive, Wholesale of other fuels and related products, Newbury, United Kingdom
- Onyx Commodities LimitedActive, Other business support service activities n.e.c., London, United Kingdom
- Onyx Commodities Switzerland AgActive, Zug, Switzerland
- Onyx Communications LimitedActive, Information technology consultancy activities, Gosport, United Kingdom
- Onyx Components and Systems Private LimitedActive, Telangana, since 1995
- Onyx Components LtdActive, Retail trade of motor vehicle parts and accessories, Batley, United Kingdom
- Onyx Components System Pvt LtdHyderabad
- Onyx Computers Private LimitedStruck off, Tamil Nadu, since 1993
- Onyx Concept Bespoke Automotive LimitedActive, Sale of new cars and light motor vehicles, London, United Kingdom
- Onyx Concept LimitedActive, Sale of new cars and light motor vehicles, Leeds, United Kingdom
- Onyx Connections LimitedActive, Ready-made interactive leisure and entertainment software development, Brentford, United Kingdom
- Onyx Connects LimitedActive, Bookkeeping activities, London, United Kingdom
- Onyx Consortium LtdActive, Activities of other holding companies n.e.c., Nottingham, United Kingdom
- Onyx Construct LimitedActive (proposal to strike off), Other building completion and finishing, London, United Kingdom
- Onyx ConstructionActive, Namakkal, India
- Onyx Construction & Properties LtdActive, Buying and selling of own real estate, Edgware, United Kingdom
- Onyx Construction & Renovation LtdActive, Development of building projects, Preston, United Kingdom
- Onyx Construction Consultants LimitedActive, Quantity surveying activities, Ipswich, United Kingdom
- Onyx Construction Kent LtdLiquidation, Development of building projects, Bromsgrove, United Kingdom
- Onyx Construction LtdActive, Construction of domestic buildings, London, United Kingdom
- Onyx Construction Services LtdActive (proposal to strike off), Construction of commercial buildings, London, United Kingdom
- Onyx Construction Tools LtdActive, Manufacture of tools, London, United Kingdom
- Onyx Constructions Private LimitedActive, Maharashtra, since 1988
- Onyx Consult LtdActive, Other engineering activities, Nottingham, United Kingdom
- Onyx Consultancy Group LtdActive, Management consultancy activities other than financial management, Coventry, United Kingdom
- Onyx Consultancy LtdActive, Management consultancy activities other than financial management, York, United Kingdom
- Onyx Consultancy Private LimitedActive, Uttar Pradesh, since 2007
- Onyx Consultancy Solutions LtdActive (proposal to strike off), Buying and selling of own real estate, London, United Kingdom
- Onyx Consultants LimitedActive, Management consultancy activities other than financial management, Ipswich, United Kingdom
- Onyx Consultants Private LimitedStruck off, Delhi, since 2013
- Onyx Consultation & Services LtdActive, Information technology consultancy activities, Orpington, United Kingdom
- Onyx Consulting Private LimitedActive, Maharashtra, since 2026
- Onyx Consulting South East LimitedActive, Other activities of employment placement agencies, Folkestone, United Kingdom
- Onyx Contracting Group LtdActive (proposal to strike off), Development of building projects, New Milton, United Kingdom
- Onyx Contracting LimitedActive, Combined office administrative service activities, Ellesmere Port, United Kingdom
- Onyx Contractors LimitedActive, Dormant Company, Co Durham, United Kingdom
- Onyx Contractors LLPActive, Uttar Pradesh, since 2018
- Onyx Conversions LtdActive, Maintenance and repair of motor vehicles, Barnsley, United Kingdom
- Onyx Cornerstone LtdActive, Hospital activities, Southend-On-Sea, United Kingdom
- Onyx Corp LtdActive, Development of building projects, Slough, United Kingdom
- Onyx Corporate Services Private Limited.Active, Maharashtra, since 2006
- Onyx Corporation Holdings LtdActive, Activities of other holding companies n.e.c., London, United Kingdom
- Onyx Corporation LtdActive, Other holiday and other collective accommodation, Bedford, United Kingdom
- Onyx Cosmetics Private LimitedStruck off, Maharashtra, since 2007
- Onyx Country Estates LimitedInactive, Eastbourne, United Kingdom
- Onyx Courier Solutions LtdActive (proposal to strike off), Licensed carriers, Birmingham, United Kingdom
- Onyx Couriers LtdActive, Freight transport by road, Leicester, United Kingdom
- Onyx Crane Services LimitedActive, Other specialised construction activities n.e.c., Orpington, United Kingdom
- Onyx Creations LtdActive (proposal to strike off), Hairdressing and other beauty treatment, Belfast, United Kingdom
- Onyx Creative LimitedActive, Advertising agencies, London, United Kingdom
- Onyx Creative Solutions LimitedActive, Management consultancy activities other than financial management, Chandlers Ford, United Kingdom
- Onyx Crescent Estates LtdActive, Hotels and similar accommodation, Cardiff Gate Business Park, United Kingdom
- Onyx Crest LimitedActive, Other business support service activities n.e.c., London, United Kingdom
- Onyx Crystals Technology Private LimitedActive, Karnataka, since 2023
- Onyx CS LLCActive, Wilmington, United States
- Onyx Cue LtdActive, Other retail sale not in stores, stalls or markets, Sutton, United Kingdom
- Onyx Cutz LtdActive, Hairdressing and other beauty treatment, Sheffield, United Kingdom
- Onyx Cyber Consulting LtdActive, Information technology consultancy activities, London, United Kingdom
- Onyx Damar LtdActive, Buying and selling of own real estate, Manchester, United Kingdom
- Onyx Data LtdActive, Information technology consultancy activities, London, United Kingdom
- Onyx Data Solutions Private LimitedActive, Telangana, since 2015
- Onyx Data Systems LtdActive, Information technology consultancy activities, London, United Kingdom
- Onyx Dawn Games LtdActive, Other retail sale in non-specialised stores, Preston, United Kingdom
- Onyx Decorating LtdActive (proposal to strike off), Other specialised construction activities n.e.c., London, United Kingdom
- Onyx Decs LtdActive, Painting, Sutton, United Kingdom
- Onyx Denmark Mezzco S.À R.L.Active, Luxembourg, Luxembourg
- Onyx Denmark Propco K/SActive, Copenhagen, Denmark
- Onyx Design & Build LimitedActive, Dormant Company, Henfield, United Kingdom
- Onyx Design Develop Build LtdActive, Other specialised construction activities n.e.c., Stalybridge, United Kingdom
- Onyx Design LtdActive, Other construction installation, London, United Kingdom
- Onyx Designer Jewellery Private LimitedStruck off, Gujarat, since 2014
- Onyx Destinations Private LimitedActive, Odisha, since 2025
- Onyx Devcons Private LimitedActive, West Bengal, since 2023
- Onyx Development & Construction LtdActive, Development of building projects, Belfast, United Kingdom
- Onyx Development Company, LLCActive, West Bridgewater, United States
- Onyx Development Finance LimitedActive, Financial intermediation not elsewhere classified, Denmead, United Kingdom
- Onyx Developments (Southern) LtdActive, Development of building projects, Fareham, United Kingdom
- Onyx Developments and Lettings LtdActive, Development of building projects, London, United Kingdom
- Onyx Developments LimitedActive, Buying and selling of own real estate, Wallington, United Kingdom
- Onyx Developments NW LtdActive, Construction of domestic buildings, Blackburn, United Kingdom
- Onyx DeveloppementActive, Montpellier, France
- Onyx Developpement SasActive, Malaunay, France
- Onyx Devs Lab LimitedActive, Hong Kong, Hong Kong
- Onyx Diggers UK LtdActive, Wholesale of agricultural machinery, equipment and supplies, Peterborough, United Kingdom
- Onyx Digital (LDN) LtdActive, Other information technology service activities, London, United Kingdom
- Onyx Digital Health Services LLPActive, Karnataka, since 2025
- Onyx Digital LimitedActive, Advertising agencies, Peterborough, United Kingdom
- Onyx Digital Solutions LimitedActive, Business and domestic software development, Northampton, United Kingdom
- Onyx Distribution Group LtdActive, Retail sale via mail order houses or via Internet, Peterborough, United Kingdom
- Onyx Distribution LtdActive, Other transportation support activities, Blackburn, United Kingdom
- Onyx Doors & Windows LtdActive, Manufacture of doors and windows of metal, London, United Kingdom
- Onyx Drive LimitedActive, Taxi operation, Birmingham, United Kingdom
- Onyx Driving Tuition LtdActive, Driving school activities, London, United Kingdom
- Onyx Drug House Private LimitedStruck off, Uttar Pradesh, since 2008
- Onyx E Ventures LtdActive, Retail sale via mail order houses or via Internet, Nottingham, United Kingdom
- Onyx E-cellIndia
- Onyx E-Com LtdActive, Retail sale via mail order houses or via Internet, London, United Kingdom
- Onyx E-Marketing Private LimitedStruck off, Delhi, since 2015
- Onyx Eagle Capital LtdActive, Road Town, British Virgin Islands
- Onyx Earline Apts, LLCActive, Wilmington, United States
- Onyx East Apartments, LLCActive, Los Angeles, United States
- Onyx Education Advisory LtdActive, Management consultancy activities other than financial management, London, United Kingdom
- Onyx Education Private LimitedActive, Uttar Pradesh, since 2016
- Onyx Edutech Private LimitedActive, Telangana, since 2025
- Onyx ehf.Active, Reykjavík, Iceland
- Onyx Electrical & Plumbing LtdActive, Plumbing, heat and air-conditioning installation, London, United Kingdom
- Onyx Electrical & Renewables LimitedActive, Other construction installation, Birmingham, United Kingdom
- Onyx Electrical (NW) LtdActive, Electrical installation, Darwen, United Kingdom
- Onyx Electrical (Scotland) LimitedActive, Electrical installation, Glasgow, United Kingdom
- Onyx Electrical Engineering LimitedActive, Electrical installation, Cheshire, United Kingdom
- Onyx Electrical Installations LtdActive, Electrical installation, Sunbury-On-Thames, United Kingdom
- Onyx Electrical Services LtdActive, Electrical installation, Colchester, United Kingdom
- Onyx Electrical Solutions LimitedActive, Electrical installation, Hertford, United Kingdom
- Onyx Electrical UK LtdActive, Electrical installation, Billericay, United Kingdom
- Onyx ElectronicsActive, Dadri, India
- Onyx Electronics Pvt LtdStruck off, Punjab, since 1988
- Onyx Elevator Private LimitedUnder process of striking off, Bihar, since 2008
- Onyx Elk Properties LtdActive, Other building completion and finishing, Swindon, United Kingdom
- Onyx Energy LimitedActive, Engineering related scientific and technical consulting activities, Dalkeith, United Kingdom
- Onyx Energy LLCActive, Denver, United States
- Onyx Energy LLPActive, Uttar Pradesh
- Onyx Energy projekt II s.r.o.Active, Praha 8, Czech Republic
- Onyx Energy s. r. o.Active, Praha 8, Czech Republic
- Onyx Engagement LimitedActive, Bookkeeping activities, Leicester, United Kingdom
- Onyx Engineering LimitedActive, Residents property management, Hull, United Kingdom
- Onyx Engineering Services LtdActive, Other business support service activities n.e.c., Stockton On Tees, United Kingdom
- Onyx Engineering Solutions LtdActive, Construction of utility projects for electricity and telecommunications, London, United Kingdom
- Onyx Engineers and Contractors LLPActive, Telangana
- Onyx Enhancements LtdActive, Hairdressing and other beauty treatment, Corby, United Kingdom
- Onyx Enterprise LtdActive, Licensed carriers, Kenley, United Kingdom
- Onyx Enterprises Private Limited.Active, Delhi, since 2000
- Onyx Entertainment Private LimitedStruck off, Telangana, since 1997
- Onyx Epoxy LtdActive, Floor and wall covering, Manchester, United Kingdom
- Onyx Equipments (India) Private LimitedActive, Maharashtra, since 2008
- Onyx Equities LtdActive, Other letting and operating of own or leased real estate, London, United Kingdom
- Onyx Equity Management Gestora De Investimentos Ltda.Active, Sao Paulo, Brazil
- Onyx Essentials LtdActive, Retail sale via mail order houses or via Internet, Rotherham, United Kingdom
- Onyx Estates LtdActive, Other letting and operating of own or leased real estate, Northampton, United Kingdom
- Onyx Estates Private LimitedStruck off, Telangana, since 2001
- Onyx Estates Pvt.ltd.Struck off, West Bengal, since 1987
- Onyx et Cie SAActive, Genève, Switzerland
- Onyx Etc Securities Public Limited CompanyActive, Dublin, Ireland
- Onyx European LimitedActive, Freight transport by road, Scunthorpe, United Kingdom
- Onyx Events LimitedActive, Public relations and communications activities, Poole, United Kingdom
- Onyx Executive Consultancy LtdActive, Activities of head offices, London, United Kingdom
- Onyx Executive Ltd.Active, Other service activities n.e.c., Tonbridge, United Kingdom
- Onyx Executive Travel (Yorks) LtdActive, Renting and leasing of cars and light motor vehicles, Otley, United Kingdom
- Onyx Exims and Sales LimitedStruck off, Delhi, since 1998
- Onyx Expo-Traders Private LimitedActive, Maharashtra, since 2014
- Onyx Exports Private LimitedStruck off, Delhi, since 1988
- Onyx Express LtdActive, Freight transport by road, Bury St. Edmunds, United Kingdom
- Onyx Eye LtdActive, Financial intermediation not elsewhere classified, Gillingham, United Kingdom
- Onyx Facilities LtdActive, Non-specialised wholesale trade, Romford, United Kingdom
- Onyx Facilities Management LtdActive, Residents property management, Edinburgh, United Kingdom
- Onyx Facility Management LimitedActive, Private security activities, Wokingham, United Kingdom
- Onyx Facility Service LtdActive, Management consultancy activities other than financial management, Thetford, United Kingdom
- Onyx FamilienstiftungActive, Geldern, Germany
- Onyx Family Office AgActive, Triesen, Liechtenstein
- Onyx Fashion Private LimitedActive, Maharashtra, since 2003
- Onyx FC LtdActive, Activities of sport clubs, London, United Kingdom
- Onyx Fibre LimitedActive, Other telecommunications activities, Colchester, United Kingdom
- Onyx Field LimitedActive (proposal to strike off), Retail sale via mail order houses or via Internet, London, United Kingdom
- Onyx Films
- Onyx Financial Investments LtdActive, Buying and selling of own real estate, Milton Keynes, United Kingdom
- Onyx Financial LtdActive, Activities of mortgage finance companies, Milton Keynes, United Kingdom
- Onyx Financial Services Private LimitedStruck off, Karnataka, since 2010
- Onyx Financial Solutions LtdActive, Activities auxiliary to financial intermediation n.e.c., Milton Keynes, United Kingdom
- Onyx Financial Wills LtdActive, Activities of mortgage finance companies, Milton Keynes, United Kingdom
- Onyx Finland 2019 B Holdco S.À R.LActive, Luxembourg, Luxembourg
- Onyx Finland 2019 B Mezzco S.À R.L.Active, Luxembourg, Luxembourg
- Onyx Fire and Security LtdActive, Combined facilities support activities, Kendal, United Kingdom
- Onyx Fire LtdActive, Other construction installation, London, United Kingdom
- Onyx Fisheries Pvt LtdStruck off, Kerala, since 1985
- Onyx Fitness Equipment LtdActive, Wholesale of other machinery and equipment, London, United Kingdom
- Onyx Fitness LimitedActive, Fitness facilities, London, United Kingdom
- Onyx Fitness Ramsbottom LtdActive, Fitness facilities, Bury, United Kingdom
- Onyx Fitness Systems LimitedActive, Other engineering activities, Newry, United Kingdom
- Onyx Fitted Furniture LimitedActive, Dormant Company, Warrington, United Kingdom
- Onyx Fixed Income Fund, Ltd.Active, George Town, Cayman Islands
- Onyx Flooring Solutions LtdActive, Retail sale of textiles in specialised stores, Coleshill, United Kingdom
- Onyx Flow Group LtdActive, Manufacture of other plastic products, London, United Kingdom
- Onyx FM LtdActive, Private security activities, Hainault, United Kingdom
- Onyx Foods and Beverages (OPC) Private LimitedActive, Tamil Nadu, since 2026
- Onyx for Trade LimitedActive, Educational support services, London, United Kingdom
- Onyx for Trading & Services LimitedActive, Dormant Company, Manchester, United Kingdom
- Onyx Formula LtdActive, Repair and maintenance of ships and boats, Lancing, United Kingdom
- Onyx Fox LimitedActive, specialised design activities, Stratford-Upon-Avon, United Kingdom
- Onyx Freehold Investments LimitedActive, Buying and selling of own real estate, Solihull, United Kingdom
- Onyx Freelance LtdActive, Renting and leasing of cars and light motor vehicles, Lymm, United Kingdom
- Onyx Freight Services LimitedActive, Freight transport by road, Scunthorpe, United Kingdom
- Onyx Future LtdActive, Other letting and operating of own or leased real estate, Ilford, United Kingdom
- Onyx FX LimitedActive, Motion picture, video and television programme post-production activities, Biggleswade, United Kingdom
- Onyx G LimitedActive, Information technology consultancy activities, Poole, United Kingdom
- Onyx Games LimitedActive, Publishing of computer games, London, United Kingdom
- Onyx Gaming LimitedActive, Ready-made interactive leisure and entertainment software development, Colchester, United Kingdom
- Onyx Gaming Services LimitedActive, Information technology consultancy activities, Colchester, United Kingdom
- Onyx Gaming Technologies LimitedActive, Business and domestic software development, Colchester, United Kingdom
- Onyx Garage Software LtdActive, Retail sale via mail order houses or via Internet, Hull, United Kingdom
- Onyx Gate Residential LimitedActive, Residents property management, Sunderland, United Kingdom
- Onyx GB LimitedActive (proposal to strike off), Other specialised construction activities n.e.c., Billericay, United Kingdom
- Onyx Gem Holdings LimitedActive, Tortola, British Virgin Islands
- Onyx Gen Portfolio 1 LLCActive, Wilmington, United States
- Onyx Geo Consulting LtdActive, Engineering related scientific and technical consulting activities, Brighton, United Kingdom
- Onyx German 2017 Holdco S.À R.L.Active, Luxembourg, Luxembourg
- Onyx German 2017 Mezzco S.À R.L.Active, Luxembourg, Luxembourg
- Onyx Germany (1) LtdActive, Other letting and operating of own or leased real estate, London, United Kingdom
- Onyx Germany (2) LtdActive, Other letting and operating of own or leased real estate, London, United Kingdom
- Onyx Germany (3) LtdActive, Other letting and operating of own or leased real estate, London, United Kingdom