Companies beginning with O

1035 companies listed alphabetically.

• O Onyx Plumbing Brentwood · Plumbing

  Onyx Plumbing Ltd offers Gas Safe registered plumbing, boiler, and heating services in South Essex. Established in 2009, they focus on quality workman

• O Onyx Solutions Ipswich · M&E contracting

  Onyx Solutions Ltd is a trusted provider of building and facilities services, delivering high-quality solutions across the region. Part of the EPPH Gr

• O Onyx Vans Horsham · Design & build

  Onyx Vans is a specialist manufacturer of adventure campervans, built on the MAN TGE platform in West Sussex. Explore the range and book a discovery c

• O Oowa Ltd Hengoed · Plastering

  OOWA LTD is a new company based in Hengoed, UK. We are focused on providing services within the construction industry.

• O Opal Access Group Newcastle Upon Tyne · Rail infrastructure · 1-9 employees

  Opal Access Limited delivers facilities management, maintenance, rope access, commercial cleaning, security, workwear, rail and renewables services ac

• O Opal Construction (Nw) Ltd Manchester · Main contractor · 1-9 employees

  100% customer satisfaction in the Greater Manchester area. Specialising in building work including extensions, decking, groundwork, staircases, window

• O Opal Contracts Ltd Solihull · Security systems

  Opal Contracts Ltd is a West Midlands based supplier and installer of quality innovative blinds, curtain tracks and security systems, serving the comm

• O Opal Energy Ltd Oldham · Insulation

  Opal Energy provides government-funded energy-efficient home improvements, making homes warmer and greener. Specialising in insulation and heating con

• O Opal Estates Ltd Preston · Property developer · 1-9 employees

  Opal Estates Limited offers premium real estate services, including luxury property listings, personalised buying experiences, exclusive selling solut

• O OPAL PROPERTY MAINTENANCE LTD Rainham · Electrical

  Opal Property Maintenance offers multi-trade property maintenance services in London for agents, landlords, and property owners, covering electrical,

• O Opalux Group Ltd Gloucester · Electrical

  Opalux Group provides expert electrical, mechanical and construction services across Gloucestershire and The Cotswolds.

• O Opaque Decorators Willenhall · Painting & decorating · 10-49 employees

  Opaque Decorators offer professional commercial painting & decorating services across the UK. With over 30 years of experience, our accredited team de

• O Opek Home Ltd. London · Refurbishment · 1-9 employees

  London based Architecture, Construction & Supply company specialising in Conversions, Extensions and New Builds for Private and Commercial sectors.

• O Opel Electrical Services Ltd Congleton · Electrical

  Opel Electrical Services Ltd offers quality electrical services nationwide, specializing in fire alarm design and installations, domestic and commerci

• O Open Circuit Solutions Ltd Gosport · Electrical

  Reliable electrician in Gosport & Hampshire. Specialists in rewires, EV charger installation, fuse board upgrades and electrical fault finding.

• O Open Ecx Ltd Manchester · Insulation

  Automate invoicing, ordering and statement reconciliation with 100% accuracy. An accredited Peppol Access Point connecting 17,000+ trading parties.

• O Open Exhibitions Ltd Warwick · Design & build · 1-9 employees

  Creative Exhibition Design & Build. We design, build, and project manage bespoke exhibition stands and event environments for brands across the UK and

• O Open House Buildings Ltd Birmingham · Main contractor

  OPEN HOUSE BUILDINGS LIMITED (15946568) - company information, filings and financials from Companies House.

• O Open House MCR LTD Manchester · Main contractor · 1-9 employees

  Open House Estate Agent is a property investment company aiming to revolutionise the market through technology, empowering individuals with knowledge

• O Open Plan Living And Construction Ltd Bristol · Main contractor

  Open Plan Living And Construction Ltd is a main contractor company based in Bristol, registered at Companies House in 2022.

• O Open Plan Renovation Colchester · Refurbishment

  Discover top-tier Open Plan Renovations with Open Plan Renovation Ltd in Colchester. Specializing in home extensions, loft conversions, and comprehens

• O Open Planned Living Ltd Lowestoft · Main contractor · 1-9 employees

  Open Planned Living Limited is a new company incorporated in July 2024. Further details about their services and specialisms are not yet available.

• O Open Protocol Technology Kingswinford · Fire protection

  Open Protocol Technology Ltd specialises in the supply, installation and servicing of Fire and Security Systems, and offers Hydrostatic Testing of gas

• O Open Space Concepts Ltd Crewe · Design & build

  Open Space Concepts is the UK's leading designer and installer of bespoke outdoor living structures, transforming gardens into year-round spaces. With

• O Open Valley Roofing Ltd Slough · Roofing

  Open Valley Roofing Ltd offers professional roofing services in Berkshire and Greater London, specializing in repairs and replacements with a 3-year w

• O Open Wharf Ltd London · Property developer · 1-9 employees

  Open Wharf offers charming and comfortable apartment rentals in London's Canary Wharf and Vauxhall areas. Discover stylish living spaces designed for

• O Openfix Ltd Newcastle-Under-Lyme · Heating & ventilation

  OpenFix offers comprehensive home and boiler cover with unlimited repairs, fast response, and a price match guarantee. Rated 5 Stars by Defaqto.

• O Opening Systems Ltd Leeds · Windows & doors

  Opening Systems installs, maintains & services automatic doors, aluminium shopfronts, steel security doors, and electric window openers across the UK.

• O Opening The Book Ltd Pontefract · Carpentry & joinery

  Opening the Book designs library interiors and provides reader development services, focusing on reader-centred thinking and audience development for

• O Openings Direct Ltd Grantham · Security systems

  Openings Direct offers expert installation and service for automatic gates and garage doors, with over 30 years of experience. Serving Grantham and be

• O OpenRegistry West Bromwich · Electrical

  OpenRegistry provides live company filings from government registries, including profiles, directors, shareholders, and filings. Connect your AI clien

• O Openview Security Solutions Ltd Essex · Electrical · 250+ employees

  Preqin is a leading provider of data, insights, and analytics for the alternative assets industry, empowering professionals to make informed investmen

• O Operation Green Westcliff-On-Sea · Solar PV

  Solar, EV & battery installers in Southend, Essex, Cambridge & beyond. Affordable, trusted and ready to help.

• O Opm Procurement Ltd Bedworth · Civil engineering · 1-9 employees

  Construction Procurement Specialists. Building Materials, Concrete, Aggregates, Muck Away, Plant Hire, Materials Procurement.

• O OPR Plumbing Truro · Plumbing

  OPR Plumbing Ltd is a family-run plumbing company based in Mid Cornwall, offering reliable and professional plumbing services across the region with o

• O Opta Service Ltd Croydon · Fit-out & interiors · 1-9 employees

  Opta Service is a London-based facilities management company specialising in construction, maintenance, and office relocations for commercial clients.

• O OPTAMA LTD Glasgow · Solar PV · 10-49 employees

  Optama Renewables is a leading renewable energy company in Scotland, specialising in sustainable heating and energy solutions like solar PV, heat pump

• O Optera Ltd Coventry · Damp proofing · 10-49 employees

  Optera are leading structural repair specialists, working in the domestic insurance sector. We pride ourselves on understanding our clients' needs and

• O Optic Homes Ltd Northampton · Property developer

  Optic Homes builds, restores and develops residential property across the UK, and delivers turn-key project management for developers and investors.

• O Optical Lighting Ltd Edinburgh · Electrical

  Professional electricians providing a wide range of electrical and lighting services to domestic, commercial & industrial customers in Edinburgh, Glas

• O OPTIESTIMATES London · Main contractor

  OptiEstimates offers expert quantity surveying and construction consultancy services in the UK and USA. With over 1000 completed projects, we provide

• O Optiflex Utilities Ltd Maidstone · Utilities

  Optiflex Utilities offers reliable infrastructure and support services tailored for telecommunications providers, ensuring efficient utility solutions

• O Optility Ltd Cradley Heath · Utilities · 10-49 employees

  Optility Limited delivers comprehensive infrastructure solutions across the UK, specializing in civil engineering, multi-utility projects, and telecom

• O Optim House Coventry · Civil engineering · 1-9 employees

  Optim House Estate Agents in Coventry offers exceptional service for buying, selling, or renting properties. Contact our dedicated team for expert loc

• O Optima Consult Ltd Mansfield · Design & build

  Optima Consult offers top-tier consultancy services in Project Management and Facilities Management, providing bespoke, integrated solutions for capit

• O Optima Contracting Ltd High Wycombe · Glazing · 250+ employees

  Enhance your workspace with modern glass partitions and office solutions from Optima Systems. Transform your office environment today!

• O OPTIMA ELECTRICAL SERVICES LIMITED Paignton · Electrical

  NICEIC-approved electricians providing electrical testing, EICR inspections, and PAT testing for commercial & industrial clients.

• O Optima Foundations Ltd Edlington, Doncaster · Piling · 10-49 employees

  Optima Foundations Ltd are a specialist piling and foundation contractor offering a nationwide service from our Yorkshire office. Providing an honest,

• O Optima Property Services Ltd Clevedon · Painting & decorating

  Optima Property Services Ltd. Superior commercial decorators based in the South West. Excellent service at competitive rates.

• O Optimal Build Ltd London · Refurbishment · 1-9 employees

  Optimal Build Ltd is a London-based construction company specialising in residential and commercial projects, including refurbishments, extensions, an