Companies beginning with O

1035 companies listed alphabetically.

• O ORCA Plumbing & Heating Ltd Crawley · Plumbing

  ORCA Plumbing & Heating offer domestic and commercial plumbing, heating, and gas services across Crawley, East Grinstead, Horley, and surrounding area

• O Orca Roofing Ltd Harlow · Roofing

  Orca Roofing LTD is a trusted roofing company committed to delivering top-quality workmanship, durability, safety, and long-lasting results. We priori

• O Orca Windows Ltd Shipley · Windows & doors

  For Energy Efficient Windows in West Yorkshire, look no further than Orca Windows. We supply and install eco-friendly windows, get a FREE quote today!

• O Orcaspaces Ltd Burgess Hill · Fit-out & interiors

  Orca Spaces is a washroom design and renovation company operating across the South of the UK. We offer washroom design, renovation and installation se

• O Orchard Build Ltd Feering · Refurbishment · 10-49 employees

  The leading specialists in commercial and industrial refurbishment for over 25 years. Specialising in office and industrial refurbishment and fit-out.

• O Orchard Builders Stamford · Main contractor · 10-49 employees

  Orchard Building Contractors is a Stamford-based building company with over 30 years of experience. We pride ourselves on offering a reliable, quality

• O Orchard Building Solutions Ltd Richmond · Main contractor

  Orchard Building Solutions provides planned and reactive maintenance, refurbishments, office fit-outs, extensions, and loft conversions for residentia

• O Orchard Carpentry Ltd Taunton · Carpentry & joinery

  Orchard Carpentry Ltd offers bespoke carpentry services in Taunton, Somerset. With over 14 years of experience, they focus on quality craftsmanship, a

• O Orchard Dean Bodmin · Property developer

  Orchard Dean Developments creates luxurious, distinctive, and unique residential properties, focusing on high-quality builds and attention to detail i

• O Orchard Dean Developments (Tall Trees) Ltd Bodmin · Property developer

  Orchard Dean Developments (Tall Trees) Ltd is a property developer company based in Bodmin, registered at Companies House in 2021.

• O Orchard Dean Developments (Windmill Hill) Ltd Bodmin · Property developer

  Orchard Dean Developments (Windmill Hill) Ltd is a property developer company based in Bodmin, registered at Companies House in 2021.

• O Orchard Electrical Solutions Ltd Accrington · Electrical

  Orchard Electrical Solutions Ltd is a new company based in Accrington, offering electrical services.

• O Orchard Homes Leeds · House builder · 1-9 employees

  Orchard Homes focuses on creating bespoke, hand-crafted and high-quality homes to suit all lifestyles, with 30 years' experience in the house building

• O Orchard Homes Yorkshire Ltd Leeds · Main contractor

  Orchard Homes Yorkshire Ltd is a main contractor company based in Leeds, registered at Companies House in 2026.

• O Orchard Vale Renewables Ltd Stoke-Sub-Hamdon · Solar PV

  Somerset based renewable energy specialists providing solar PV, battery storage, and EV charging solutions for domestic and commercial customers.

• O Orchard Workshops Ltd Doncaster · Fencing

  Orchard Workshops manufacture and install bespoke wrought iron and timber electric gates, railings, barriers and bollards. Service and repairs availab

• O Orchid Bathrooms Ltd Peterborough · Bathroom fitting

  Orchid Bathrooms Ltd is a specialist bathroom fitting company in Peterborough, offering bespoke design and installation services for bathrooms, wetroo

• O Orchid Sky Construction Ltd Chandlers Ford · Timber frame · 1-9 employees

  Orchid Sky Construction are timber frame and construction specialists in the UK with over 40 years of experience. They offer high-quality, sustainable

• O Orchis London Ltd Farnborough · Main contractor

  Orchis delivers super-prime residential construction across Mayfair, Belgravia, Knightsbridge, Chelsea, and the counties. Director-led building for de

• O ORDER DOORS ONLINE LIMITED Barnsley · Glazing

  SumUp Bookings is a free online booking system for small businesses, managing appointments, sending reminders, and taking payments.

• O ORDERLY LONDON LTD Wokingham · Refurbishment

  Orderly London specialises in design-led renovations, extensions and full refurbishments for period and characterful homes across South West London an

• O Ordon Ltd Dartford · Main contractor · 1-9 employees

  Ordon Ltd is a building contractor based in London, focused on providing high-quality service and customer satisfaction. They offer a range of service

• O Ordtek Ltd Norfolk · Civil engineering

  Ordtek specializes in UXO risk assessment, clearance support & geoscience services worldwide, trusted by infrastructure, energy & construction project

• O Ore Drylining Ltd London · Drylining

  Ore Drylining Ltd offers specialist drylining, plastering, suspended ceilings, acoustic solutions, fire protection, and fit-out services across reside

• O ORE SCAFFOLDING LTD Bristol · Scaffolding · 1-9 employees

  ORE Scaffolding Ltd offers safe, reliable, and tailored scaffolding solutions for domestic, commercial, and construction projects in Frome, Bath, Bris

• O Ore Valley Heating Ltd Lochgelly · Heating & ventilation

  Ore Valley Housing Association (OVHA) provides affordable housing and community support in Fife. They also operate subsidiaries for mid-market rent, c

• O Oren Construction Ltd Carmarthen · Plastering

  OREN CONSTRUCTION LTD is a construction company based in Carmarthen, Wales.

• O Orestone Basingstoke · Fire protection · 10-49 employees

  Orestone - a safer, smarter future - A Highly Accredited Integrator of Fire, Evacuation, Assisted Living & Safety Systems.

• O Orford House Developments Ltd Loughton · Property developer

  Orford House Developments Ltd is a property developer company based in Loughton, registered at Companies House in 2021.

• O ORG ELECTRICAL LTD Watford · Electrical

  ORG Electrical provides expert electrical services for homes and businesses, focusing on safety, efficiency, and professionalism. Schedule a free site

• O Ori Electrical Ltd London · Electrical

  Ori Electrical Ltd is a professional electrical services company offering installations, repairs, maintenance, and upgrades for residential and commer

• O Oriel Glass Ltd London · Glazing

  Oriel Glass: Experts in bespoke glazing solutions, offering exquisite windows, seamless sliding doors, and stunning structural glazing. Precision craf

• O Orient Quartz Stone Potters Bar · Kitchen fitting

  Orient Quartz Stone is a leading UK distributor of high-quality quartz kitchen and bathroom worktops. Offering a vast selection of colours and finishe

• O Oriental Light (UK) Ltd London · Property developer

  Premier lifestyle property developer listed on Bursa Malaysia, known for creating placemaking addresses of enduring value across hospitality and luxur

• O Origin Stamford · Windows & doors · 1-9 employees

  Origin are the UK's leading manufacturer of bespoke aluminium bi-folding doors and windows.

• O Origin Cladding Ltd London · Cladding · 1-9 employees

  Origin Cladding Limited supplies decorative wall cladding products and construction materials, including brick slips, clay bricks, and stone cladding.

• O Origin Double Glazing Redruth · Windows & doors

  Origin Double Glazing Ltd supply & install premium double glazing windows, doors, conservatories and warm roofs for Cornish homes, designed with secur

• O Origin Electrical And Mechanical Services Ltd Ossett · Electrical

  Expert electrical and mechanical services for residential and commercial clients across the UK. Committed to quality, safety, and innovation.

• O Origin GPH Glasgow · Plumbing

  Origin GPH offers expert plumbing, heating, and boiler services in Glasgow and surrounding areas. Established in 2019, they provide reliable solutions

• O Origin Heating Ltd Addlestone · Heating & ventilation

  Local Gas Safe heating engineer covering Addlestone & Surrey. Boiler repairs, servicing, installations and landlord certificates. 21+ years' experienc

• O Origin Pools Ltd Old Hatfield · Swimming pools

  Origin Pools creates bespoke indoor swimming pools for your home. Relax in a luxurious pool designed and built to the highest standards by our experts

• O Origin Renewable Solutions Ltd Ambleside · Electrical

  Origin Renewable Solutions Ltd is a electrical company based in Ambleside, registered at Companies House in 2023.

• O Original Heating Ltd Londonderry · Heating & ventilation

  Original Heating Limited specialises in biomass heating solutions for domestic, commercial, and agricultural sectors, offering a range of boilers and

• O Original Hideaways Newtown · Restoration & heritage · 1-9 employees

  Bespoke retreat location in rural Mid Wales for exploration, reconnection, and rewilding. Offers unique farm stay properties and event spaces.

• O Original Joinery Ltd Gateshead · Carpentry & joinery · 1-9 employees

  Original Joinery Ltd are specialists in commercial, internal fit out and bespoke joinery, trusted by the UK's largest builders for expertise and high

• O Original Landscapes Ltd Sherborne · Landscaping

  Original Landscapes specialises in the design and build of award-winning landscaped and bespoke planting schemes for gardens throughout Dorset, Wiltsh

• O Original Roofing Company Ltd Blaenau Ffestiniog · Roofing

  Original Roofing Company, based in Blaenau Ffestiniog, specialises in slate roofing and conservation. They offer innovative solutions like the Stormfl

• O Original Sash London · Windows & doors · 1-9 employees

  Original Sash by Sollex Ltd. manufacture, supply and install high quality timber windows & doors across London and the South East. Suitable for conser

• O Origins Living Beeston · Glazing · 10-49 employees

  Origins Living designs and manufactures high-quality bathroom mirrors and accessories, blending function with beauty for residential, commercial, and

• O Orio Electrical Services Ltd Shoreham-By-Sea · Electrical

  Orio Electrical Services are experts in electrical installation for homes and businesses across the South East. Services include solar PV, EV charging