Companies beginning with O

1035 companies listed alphabetically.

• O Ohob Group Ltd Morden · Concrete works

  Ohob Group Ltd is a concrete works company based in Morden, registered at Companies House in 2008.

• O Ohpopsi Stockport · Flooring

  Dare to be different with Ohpopsi. Bold, colourful wallpaper designed by the best British designers and printed in the UK. Shop now and order your sam

• O Ohr Group (Scotland) Ltd Coatbridge · Electrical

  OHR Group (Scotland) Ltd is a new company based in Coatbridge, Scotland. We are currently developing our online presence.

• O OIA Architects Bedfordshire · Design & build · 1-9 employees

  OIA Architects is an award-winning architecture and interior design practice focused on creating innovative and meaningful built environments through

• O OIC Valve Covers Eynsham · Insulation

  OIC Valve Covers are specialists in manufacturing bespoke thermal covers for valves & pipes, saving companies money, & protection from heat.

• O Oil Heating Oil Cookers Ashford · Heating & ventilation

  Oil Heating Oil Cookers Ltd: OFTEC registered oil-fired appliance service, repair and installation in Kent. Family business established by Robert Oakl

• O Oil Heating Services Ltd Dorchester · Heating & ventilation

  Oil Heating Services Ltd is a company based in Dorchester, Dorset, specializing in oil heating services. The company is currently rebuilding its websi

• O Oil Painting Haven Kington · Painting & decorating

  Shop hand-painted oil paintings for sale on canvas for home, office, and hotel wall decor. Browse landscapes, portraits, abstracts, and custom art.

• O Oil Tank Change Newmarket · Utilities

  Need an oil tank? Our certified experts provide fast, safe, and affordable oil tank replacement services. Get your free quote today!

• O Oilcanfinish Outdoor Living London · Fencing

  Wimbledon Composite Decking Company specialising in Trex & Millboard. Outdure Aluminium Decking Frame Installer. Inlite Installer.

• O Oiltec Fordingbridge · Heating & ventilation

  Independent service engineers specialising in oil boiler servicing, repairs, and installations. Also cover Aga Cooker and Rayburn service, repair, bre

• O Oiltech Heating Ltd Woodbridge · Plumbing

  Oiltech Heating Ltd is a company based in Woodbridge, UK. Their website is currently unavailable.

• O Oj Electrical Services Ltd Rayleigh · Electrical

  OJ Electrical Services LTD provides reliable and professional electrical solutions for residential and commercial clients in Essex and London. NIC EIC

• O OJF Electrical Chelmsford · Electrical · 1-9 employees

  Award-winning Solar PV and EV charger installations in Chelmsford, Essex, delivering trusted electrical solutions for homes and businesses.

• O Ojg Joinery & Construction Ltd Leeds · Carpentry & joinery

  OJG Joinery & Construction Ltd are reliable joinery and construction specialists in Leeds, offering a wide range of services for commercial and reside

• O OJN Building & Roofing Ltd Walsall · Extensions

  Reliable building and roofing company based in Walsall, serving Aldridge, Birmingham, Cannock, and surrounding areas. Specialising in extensions, bric

• O Ojs Plumb & Heat Ltd Eastleigh · Plumbing

  OJS Plumb & Heat Ltd provides reliable and quality plumbing, heating, and air conditioning services. We cater to all needs, from boiler installations

• O Ok Build Ltd Woodford Green · Plastering · 1-9 employees

  OK Build Ltd is a construction company based in Woodford Green, England. They focus on managing contracts and payments for subcontractors and employee

• O Oka Carpentry Ltd Newton Abbot · Carpentry & joinery

  Oka Carpentry Ltd offers expert carpentry, home renovations, shop fitting, and fire door installations for residential and commercial clients in Torqu

• O Okaro Construction Ltd Maidstone · Extensions

  Okaro Construction delivers exceptional building services, transforming spaces with expertise in extensions, renovations, landscaping, driveways, and

• O Okeefe Electrical Ltd Cardiff · Electrical

  Expert rewiring and electrical services for new homeowners in Cardiff and Penarth. Reliable electricians and electrical contractors Cardiff residents

• O Okemb Services Ltd Sheffield · Refurbishment

  Okemb Services Limited offers quality, reliability, and agility in home renovation and building projects, with a personal approach to client collabora

• O Oknoglass Ltd Northolt · Glazing

  OKNOGlass Ltd is a family-run double glazing business in Northolt, London, offering a wide range of products including windows, doors, and bespoke gla

• O Okredo Tadworth · Main contractor

  Okredo provides companies' data for business risk management and sales improvement, including credit ratings, limits, and business linkages.

• O OL and Edward Ltd London · Refurbishment · 1-9 employees

  Design-led home renovation, kitchen fitting, bathroom renovation, loft conversions and full refurbishment services across London. Fully insured, accre

• O Olaaya Ltd London · Refurbishment

  OLAAYA LTD is a London-based construction and property finishing company specializing in domestic buildings. They offer comprehensive services from ne

• O OLAD HEATING AND GAS LTD Bolton · Heating & ventilation · 1-9 employees

  OLAD Heating and Gas offers expert heating, gas, and plumbing services, including boiler installation, repairs, servicing, and landlord safety checks.

• O Olara Ltd Oxford · Property developer

  Olara Ltd is a Development Consultancy firm specializing in identifying prime development opportunities and providing tailored funding solutions to dr

• O Old Bells Construction & Demolition Ltd Stowmarket · Civil engineering · 10-49 employees

  Old Bells Construction & Demolition offers a range of services including civil engineering, groundworks, demolition, and marine works. They cater to d

• O Old Briar Property Services Thatcham · Plumbing

  Old Briar Property Services Ltd offers professional plumbing, heating, and gas services to domestic and commercial clients in Berkshire, including boi

• O Old Bucks Developments Old Buckenham · House builder · 1-9 employees

  Old Bucks Developments design and build small developments of luxury homes, from new builds to redevelopments, within the Norfolk & Suffolk area.

• O Old Bucks Homes Ltd Attleborough · Property developer

  Old Bucks Homes Ltd is a property developer company based in Attleborough, registered at Companies House in 2022.

• O Old English Paving Kidderminster · Driveways & paving

  Old English Paving installs block paving, tarmac and resin driveways plus patios across Worcestershire and Herefordshire. Free site surveys.

• O Old English Window Company Byley · Restoration & heritage

  Specialists in energy-efficient restoration and replacement of heritage timber windows and doors. High-quality design, manufacture, and installation.

• O Old Homes Propco 5 Ltd Cheltenham · Property developer

  Old Homes Propco 5 Ltd is a property developer company based in Cheltenham, registered at Companies House in 2025.

• O Old Oak Carpentry Ltd Southampton · Carpentry & joinery

  Old Oak Carpentry is a trusted, family-run business in Hampshire, dedicated to delivering home improvement services to the highest standard. We transf

• O Old Park Engineering Services Ltd West Midlands · Design & build

  Old Park Engineering Services Ltd specialise in the design, installation, maintenance and refurbishment of L.P.G. bulk storage and distribution equipm

• O Old Plean Roofing Ltd Stirling · Roofing

  Old Plean Roofing Ltd is a roofing contractor based in Stirling, Scotland. We offer a range of roofing services for domestic and commercial clients.

• O Old School Plumbing Limited Barnard Castle · Plumbing

  Friendly, family plumbing and gas heating experts in Barnard Castle and Teesdale, offering transparent pricing for services from tap washers to boiler

• O Old School Roofing Ltd London · Roofing

  Old School Roofing Ltd offers authentic, reliable roofing services with over 25 years of experience. Specialising in new roofs, repairs, and flat roof

• O Old Stratford Plumbing Ltd Northants · Plumbing

  Milton Keynes Emergency Plumber, Old Stratford Plumber. No call out charge, all work fully quoted and guaranteed. Full Public Liability Insurance.

• O OLD-Homes Cheltenham · Property developer

  OLD-Homes is a property development company focused on value-add residential opportunities in Oxfordshire, targeting 40%+ returns on cost through stra

• O Oldbury'S Building Restorations Ltd Exmouth · Restoration & heritage · 1-9 employees

  Oldbury's Building Restorations Ltd: Experts in brick and stonework restoration in Exeter, Devon, and the Southwest. Call 01395-262200 to learn more.

• O Oldfield Bathrooms and Kitchens Bolton · Kitchen fitting

  Which? 5* Rated, family run specialists in bespoke kitchens & bathrooms in Bolton, Horwich & surrounding areas. Full design to fit service.

• O Oldfield Construction (London) Ltd Ruislip · Main contractor · 1-9 employees

  Oldfield Construction Limited offers home improvements in Ruislip. Qualified builders with 51+ years of experience, delivering durability and reliabil

• O Oldham Bros Ltd. Liverpool · Demolition · 1-9 employees

  Oldham Bros Ltd are trusted demolition contractors in Merseyside with over 75 years' experience. Specialists in demolition, site clearance, recycling,

• O Oldham Spray Oldham · Painting & decorating

  Oldham Spray specialises in kitchen, uPVC, and commercial spraying services. They offer expert onsite spraying with superior coatings and a guarantee

• O Oldman Homes Ltd Norwich · House builder · 1-9 employees

  New build homes in Lowestoft and Suffolk from Oldman Homes, with 2, 3 & 4 bedroom houses and bungalows on premium developments in Oulton, Carlton Colv

• O Oldroyd Flooring Ltd Whitley Bridge · Concrete works

  Oldroyd Flooring are specialist concrete flooring contractors operating within the UK, with over 30 years experience carrying out all leading forms of

• O Olidon Ltd Woking · Painting & decorating

  Bespoke interior finishing for discerning clients. Hand-painted kitchens, specialist wallpaper, wooden flooring, and bespoke joinery crafted to except