Companies beginning with O

1035 companies listed alphabetically.

• O Onecall Solutions Ltd Surrey · Kitchen fitting

  Friendly home improvement company in Surrey & London. Services include kitchens, bathrooms, plumbing, electrical, carpentry, tiling, flooring, and dec

• O ONEFIX Services Ltd Solihull · Refurbishment

  ONEFIX Services is a reliable home improvement company specializing in renovations, refurbishments, extensions, and conservatories, alongside expert p

• O Oneheat Ltd Barnsley · Heating & ventilation

  South Yorkshire's trusted heating, boiler & air conditioning specialists. Gas Safe-registered engineers delivering boiler installations, servicing, ra

• O OneMedical Property Otley · Property developer · 1-9 employees

  OneMedical Property designs, invests in, manages, and develops NHS healthcare properties across the UK, creating bespoke and innovative healthcare pre

• O Onemore Pro Ltd Harlow · Main contractor

  ONEMORE PRO LTD offers customized digital marketing strategies including SEO, social media, and content creation to boost brand visibility and drive b

• O OneProtect London · Heating & ventilation

  OneProtect offers boiler, central heating, and plumbing cover plans for homeowners and landlords, providing 24/7 support and specialist engineers for

• O OneServ Ltd Goole · Plumbing

  Need a reliable local Plumbing, Heating & Boiler company in Yorkshire? OneServ is a one-stop shop for all your Plumbing, Heating & Boiler needs.

• O Onestop Safety Solutions Glasgow · Scaffolding

  Onestop Safety Solutions design, manufacture and install bespoke work at height safety systems and fall protection solutions across the UK.

• O OnFire Protection Ltd Kings Hill, West Malling · Fire protection

  OnFire Protection Ltd specialises in bespoke fire sprinkler system design, installation, and maintenance across the UK, ensuring full compliance with

• O Onflo Plumbing & Heating Services Spennymoor · Plumbing

  Onflo is a family-run plumbing and heating company offering boiler installations, servicing, repairs, and full bathroom renovations across County Durh

• O Ongo Developments Ltd Scunthorpe · Property developer

  Ongo Developments Ltd is a property developer company based in Scunthorpe, registered at Companies House in 2017.

• O Ongo Heating & Plumbing Ltd Scunthorpe · Plumbing

  Ongo Heating & Plumbing Ltd is a plumbing company based in Scunthorpe, registered at Companies House in 2016.

• O Ongo Roofing Ltd Scunthorpe · House builder

  Ongo provides over 10,000 affordable homes for rent and sale across Greater Lincolnshire, South Yorkshire and surrounding areas, focusing on creating

• O Onit Building Services Ltd Northwood · Plumbing

  ONit Building Services offers emergency plumbers and electrical installation services in Northwood, Buckinghamshire. Reliable, efficient, and certifie

• O Onix Systems Hertfordshire · Electrical

  Onix Systems Ltd specialises in electrical safety inspections (EICR), testing, and EV charger installations for homes and businesses. Contact us on 01

• O ONJ Construction Management Westcliff-On-Sea · Main contractor

  ONJ Construction Management is a project management company linking customers with high-quality, precisely managed tradesmen to deliver hassle-free pr

• O Onkar Builders Slough · Main contractor

  Onkar Builders Ltd offers quality building, renovation, electrical, and heating/AC services across London and surrounding counties. Satisfaction guara

• O Online Flooring Contracts Ltd London · Flooring

  Online Flooring is a Commercial Flooring Contractor offering quality flooring installation and maintenance services throughout London, Kent and South

• O Only Living Ltd St. Leonards-On-Sea · Plumbing

  Friendly, local, and trusted plumbing and heating experts offering bathroom upgrades, boiler servicing, emergency repairs, and general plumbing servic

• O ONLYHEATING.COM Altens · Heating & ventilation · 10-49 employees

  ONLYHEATING.COM Ltd offers central heating, gas services & plumbing in Aberdeen, Inverurie & Stonehaven. Authorised & regulated by the FCA.

• O Onny Developments Ltd Craven Arms · Property developer

  Onny Developments Ltd in Craven Arms, Shropshire is a property development company with expertise in Barn Conversions, New Build Property, Commercial

• O Onpoint Roofing And Guttering Ltd Hove · Roofing

  Onpoint Roofing and Guttering Ltd is a trusted provider of roofing and guttering services across the South Coast, including Brighton, Eastbourne, and

• O OnPoint TRAC St. Helens · Rail infrastructure · 1-9 employees

  OnPoint TRAC is a multi-skilled organisation providing training and labour supply to the civil, construction, plant, machinery and rail sectors across

• O Onpoint Trading Ltd Bolton · Plumbing

  Onpoint Trading Ltd offers comprehensive plumbing services, including repairs, maintenance, new installations, and emergency call-outs. They also spec

• O ONSHORE TECHNICAL LTD London · Utilities

  Onshore Technical: Experts in gas sector recruitment, temp-to-perm contracts, design consultation, and project management.

• O ONSIDE ROOFING LTD Cheadle · Roofing

  Onside Roofing Ltd provides professional roofing services and repairs across Manchester, Stockport, the Peak District, and surrounding areas. Expertis

• O Onsite Building Control Ltd Bedford · Fit-out & interiors

  OnSite Building Control Ltd provides Approved Inspector services, ensuring projects comply with building regulations. They offer professional, diligen

• O Onsite Construction Ltd London · Painting & decorating · 1-9 employees

  London Onside Construction provides a comprehensive range of building services, specializing in home extensions, loft conversions, and steel construct

• O Onsite Developments Design & Construction Ltd Wallington · Design & build · 1-9 employees

  Onsite Developments Design & Construction Ltd is a fast-growing construction, design and development business with 25 years of experience. We undertak

• O Onslow Construction Group Ltd Guildford · Refurbishment · 1-9 employees

  Onslow Construction is a Surrey-based building company specialising in high-quality home renovations and extensions. They offer a professional and per

• O Onslow Roofing & Building Services Ltd Belfast · Roofing

  Trusted Belfast Roofers with over 30 years of experience. Offering reliable, fully insured roofing solutions and building services with award-winning

• O OnTheMarket.com Carmarthen · Property developer · 1-9 employees

  OnTheMarket.com is a leading property portal for estate agents and property searchers. Find properties for sale and to rent across the UK.

• O Ontime Contractors Ltd Nottingham · Main contractor · 1-9 employees

  Ontime Contractors Limited is a construction company operating across the UK, offering a wide range of services from new builds to renovations. They f

• O ONTIME ECO ENERGY SOLUTIONS LTD Manchester · Heating & ventilation

  Ontime energy solutions is a reputable engineering company providing comprehensive services to residential clients. With expertise in heating, cooling

• O Ontime Electrical Romford · Electrical

  Ontime Electrical: Your trusted partner for professional electrical services in Romford. Delivering safe, reliable, and efficient electrical solutions

• O Ontime Heating And Plumbing Ltd Birmingham · Plumbing · 1-9 employees

  Ontime Heating and Plumbing Ltd offers expert plumbing and heating services across Birmingham and the West Midlands. We handle everything from boiler

• O Ontime Heating Ltd Birmingham · Main contractor · 1-9 employees

  Ontime Heating Ltd is a main contractor company based in Birmingham, registered at Companies House in 2020.

• O OnTime Plumbers Hainault · Plumbing

  OnTime Plumbers is a trusted London-based plumbing company offering 24/7 emergency services. Established in 2012, we provide fast, reliable, and affor

• O Ontop Electrical Ltd Nottingham · Electrical

  Ontop Electrical provides high-end bespoke electrical solutions for private, commercial and industrial clients across Nottinghamshire, Derbyshire and

• O ONTRACK ROOFING & BUILDING LTD Worcester · Roofing

  Ontrack Roofing & Building Ltd offers professional roofing solutions in Birmingham and surrounding areas, focusing on quality materials, skilled workm

• O ONUR DECORATION LIMITED Corby · Tiling · 1-9 employees

  Onur Decoration provides high-quality tiling, flooring, and painting & decorating services in Corby and Kettering. We guarantee customer satisfaction

• O Onvila Ltd Ilford · Security systems

  Onvila Ltd provides expert security services, K9 support, commercial cleaning, end-of-tenancy, deep cleaning, and post-construction cleaning in Ilford

• O Onward Manchester · House builder

  Onward is one of the largest registered providers of social housing based solely in the North West of England, with 35,000 homes across Greater Manche

• O Onya Management Services Ltd Shropshire · Concrete works · 1-9 employees

  Onya Management Services Limited (OMSL) offers specialist consultancy services for project management, focusing on cost and schedule control within th

• O Onyx Basement Services Ltd Kidderminster · Waterproofing

  Specialist waterproofing contractors in Domestic and Commercial buildings for London Birmingham, Cambridge, etc. - Onyx Basement Services London

• O Onyx Bespoke Joinery Liverpool · Carpentry & joinery

  Onyx Bespoke Joinery creates beautifully crafted, made-to-measure fitted furniture & cabinetry for homes and businesses-designed, built, and fitted wi

• O Onyx Build Ltd Witney · Main contractor · 10-49 employees

  Onyx Build Ltd is a main contractor company based in Witney, registered at Companies House in 2022.

• O Onyx Civils Ltd Motcombe · Civil engineering

  Onyx Civils Limited is a groundworks and civil engineering company based in Dorset, operating as a main and principal contractor throughout the South

• O Onyx Fire Ltd London · Fire protection

  Onyx Fire Ltd provides passive fire protection services across Milton Keynes, Buckinghamshire, the Midlands and London. Trusted fire protection contra

• O Onyx Interiors Birmingham · Main contractor

  Onyx Interiors Facilities Management: Construction and roofing specialists offering turnkey solutions from concept to completion for industrial, comme