Companies beginning with O

1036 companies listed alphabetically.

On Tap Heating Ltd Derby · Plumbing · 1-9 employees
Experienced plumbing, heating & electrical services in Derby. We handle everything from small projects to larger ones, offering quality and affordable
On Tap Helmdon Ltd Kettering · Plumbing · 1-9 employees
On Tap Helmdon Ltd offers expert plumbing and heating services in Northamptonshire, specialising in LPG and oil systems. With over 20 years of experie
On Tap Solutions Ltd High Wycombe · Plumbing
On Tap Solutions are qualified plumbers and gas engineers covering Islington, North London, West London and Buckinghamshire. Specialists in plumbing,
ON THE GAS BOILERCARE LIMITED Rochester · Heating & ventilation
Trusted local heating experts in Medway providing honest and reliable service. Fast boiler repairs, servicing, and new installations to keep your heat
On The Verge Roofing Ltd Wrexham · Roofing · 1-9 employees
Roofing Contractor Wrexham, North Wales, Shropshire and Surrounding Areas. Offering residential and commercial roofing solutions, roof repairs, slatin
On Time Builders Ltd London · Refurbishment · 1-9 employees
Ontime Builders Ltd specialises in high-end full refurbishment, renovation, bathrooms, kitchens, painting, decorating, plumbing, electrical repairs, e
ON TIME HEATING SERVICES LTD Birmingham · Heating & ventilation · 1-9 employees
ON TIME HEATING SERVICES LTD: Experts in boiler repairs, servicing, and installs in Birmingham and surrounding areas. Gas Safe certified for all gas a
On Top Roofing & Guttering Ltd Hailsham · Roofing · 1-9 employees
On Top Roofing & Guttering LTD is a family run business with over 20 years experience, providing high standard roofing services with a professional at
On Top Roofing Ltd Ayr · Roofing
On Top Roofing Ltd provides the best roofing services across Ayrshire & nearby areas. Tiled, flat, felt, rubber or fibreglass roofs.
On Track Technicians Ltd Lisburn · Rail infrastructure · 50-249 employees
A rail-only principal contractor delivering safe, reliable infrastructure solutions, skilled teams and proven framework programmes across NI, ROI & th
On Trend Kitchens Ashton-Under-Lyne · Kitchen fitting
Bespoke kitchen design, supply, and installation in Manchester. With over 20 years of experience, On Trend Kitchens creates stylish, practical kitchen
On-Load Systems Ltd Northampton · Electrical · 1-9 employees
On-Load Systems Ltd offers electrical installation, testing, and maintenance services for domestic, commercial, and industrial clients. With over 30 y
On-Site Archaeology Ltd North Yorkshire · Restoration & heritage
On-Site Archaeology, established in 1997 in York, offers archaeological services for construction and development, from consultancy to excavation, sup
On-Top Roofing Norfolk Ltd Great Yarmouth · Roofing · 1-9 employees
OnTop Roofing Norfolk offers comprehensive roofing services including flat roofs, repairs, pitched roofs, warm roofs, chimneys, and fascia & guttering
ONABOX LTD Horsham · Kitchen fitting · 1-9 employees
Onabox, Horsham & Surrounding Areas. Bespoke Kitchens & Fitted Furniture. 5.0 Rated. Seamless Design & Installation Process. Measuring Service. Get FR
Oncore Heating Ltd Cumbria · Plumbing
Oncore Heating Ltd is a plumbing company based in Cumbria, registered at Companies House in 2023.
Oncore Specialist Heating Ltd Bowness On Windermere · Heating & ventilation
Oncore Specialist Heating is a heating industry professional specialising in the repair, maintenance and installation of heating systems for domestic
ONE | Plumbing & Heating Tranent · Plumbing · 1-9 employees
ONE | Plumbing & Heating is a family-run business offering trusted, high-quality plumbing and heating services. With over 23 years of experience, we p
ONE 2 ONE ENVIRONMENTAL LIMITED Beverley · Asbestos removal · 1-9 employees
One2One Environmental provides expert asbestos surveys, testing, and removal services across the UK. Certified professionals offering fast, compliant
One Arch Ltd Waltham Cross · Main contractor · 1-9 employees
One Arch Ltd is a main contractor company based in Waltham Cross, registered at Companies House in 2022.
One Bloomsbury Ltd London · Extensions
One Bloomsbury is a London-based construction and building company offering bespoke design, construction, and maintenance services for residential and
One Build Developments Ltd Wellingborough · Main contractor · 1-9 employees
One Build Developments is a construction company based in Wellingborough, England. Contact us for your building needs.
ONE CALL GAS SERVICES LIMITED Sandwich · Heating & ventilation · 1-9 employees
One Call Gas Services offers expert heating and plumbing services in Kent, including boiler repairs, installations, and Gas Safe certificates. Call 01
ONE CALL HVAC LTD London · Heating & ventilation
Trusted local HVAC installation, repair, and maintenance services across all 32 London boroughs. Licensed, insured engineers with upfront pricing and
One Call Roofing Solutions Bristol · Roofing · 1-9 employees
One Call Roofing Solutions delivers expert roofing repair & installation in Bristol, from flat roof repair and roof tile repair to commercial roofing
One Cat Farm Lampeter · Design & build · 1-9 employees
Luxury, off-grid cabin stays in a secluded woodland nature reserve in West Wales. Enjoy sustainable accommodation with modern comforts and outdoor adv
One Click Centre Limited London · Bathroom fitting · 1-9 employees
Expert bathroom fitters offering seamless renovation services including showers, plumbing, electricity, underfloor heating, wallpapering, painting, an
One Electrical Services (N.I.) Ltd Belfast · Electrical
One Electrical Services is a Belfast-based company providing a first-class electrical, plumbing, and heating service for homes and businesses across N
One Environmental Gas Ltd Witham · Concrete works
One Environmental Gas Ltd is a concrete works company based in Witham, registered at Companies House in 2019.
One Environmental Interiors Ltd Witham · Fit-out & interiors · 1-9 employees
One Environmental Interiors Ltd is a fit-out & interiors company based in Witham, registered at Companies House in 2018.
One Environmental Ltd Witham · M&E contracting · 10-49 employees
ONE Environmental Ltd provides compliance and mechanical services including PPM, reactive, and project works across various market sectors. They focus
One Insulation Ltd Sheffield · Insulation · 10-49 employees
Specialists in spray foam insulation across the UK, offering solutions for lofts, cavity walls, and commercial properties. Get free quotes for 5-star
One Mep Ltd Bedford · M&E contracting · 10-49 employees
ONE MEP is a professional and reliable MEP contractor offering value, quality, and practical solutions for improving the built environment. Vision to
One North Property Ltd Northallerton · House builder · 1-9 employees
One North Property Ltd is a North Yorkshire based residential developer, specialising in building stunning new homes and barn conversions in rural loc
One Oak Construction Ltd Oxfordshire · Refurbishment · 1-9 employees
One Oak Construction offers design-led construction, specialising in residential builds and heritage restorations. We deliver high-quality, tailored p
One Off Engineering Services Ltd Barnsley · Steel fabrication · 1-9 employees
One Off Engineering provides precision metal fabrication, bespoke welding and one-off engineering solutions in Barnsley and South Yorkshire. Get a fas
One Print Works Ltd Manchester · Shopfitting
ONE PRINT WORKS LTD specialises in custom signage for all types of businesses, from 3D illuminated letters to waterproof metal signs. Based in the UK,
ONE SHOT UTILITIES LTD Wallington · Utilities
One Shot Utilities is a Wallington based multi-utility company providing utilities upgrade and installation services, in nearby locations such as Bans
One Six Events Liphook · Concrete works · 1-9 employees
One Six Events provides event services including marquee hire, furniture, lighting, and power generation. We offer a comprehensive service from initia
One Source Construction Services Ltd Telford · Bricklaying · 1-9 employees
One Source Construction Services Ltd, based in Telford, offers a comprehensive range of building services across the Midlands, including new builds, r
One Step Beyond Lofts Leeds · Loft conversions
Professional loft storage services offering reliable workmanship and competitive prices with a single point of contact from quote to installation.
One Step Insulation Ltd Ballyclare · Insulation · 1-9 employees
One Step Spray Foam Insulation is a family-run business specialising in open and closed cell spray foam insulation systems for residential and commerc
One Stop Walsall · Property developer
One Stop is a leading UK convenience store chain, part of Tesco, with over 1,000 stores offering groceries, essentials, and local services.
One Stop Electrical Gas Solutions Ltd Coventry · Electrical
Need an Electrician or Gas Engineer in Coventry? One Stop Electrical Gas Solutions Ltd offers boiler repairs, EICRs, rewires, fault finding, and EV ch
One Stop Property London · Refurbishment · 1-9 employees
London's All-in-One Property Services: Management, Renovations, and Much More. We offer turnkey delivery, eco-friendly solutions, and high-end finishe
One Team Construction Ltd Cradley Heath · Main contractor · 1-9 employees
ONE TEAM CONSTRUCTION LIMITED is a private limited company based in Cradley Heath, West Midlands. Incorporated in 2022, it operates within the constru
One Up Plastering Edinburgh · Plastering · 1-9 employees
One Up Plastering Ltd offers professional plastering services in Edinburgh, the Lothians, and Fife. Founded in 2022, the company has grown from humble
One Way Group Ltd Stoke On Trent · Electrical · 10-49 employees
One Way Group: National electrical contractors. Electrical design, installation, and maintenance for industrial facilities.
One Zero Electrical Ltd Stevenage · Electrical · 1-9 employees
One Zero Electrical offers certified, fully insured electrical services in the UK. Call our expert team for safe, reliable, and professional electrica
ONE-STOP APPLIANCE REPAIRS Caerphilly · Electrical · 1-9 employees
One Stop Appliance Repairs offers reliable appliance repairs in Cardiff, Caerphilly, and Newport. Authorised repair agents for Domestic & General and

Companies beginning with O

See your project profit as you go