Heating & ventilation contractors working in commercial

6815 UK heating & ventilation contractors working in the commercial sector.

• O Oak Leaf Building Projects Ltd London · Refurbishment · 1-9 employees

  Oak Leaf Building Projects delivers high-end residential refurbishment, structural works and extensions across London, scoped in writing and priced li

• O Oak Refrigeration And Mechanical Services Ltd Castleford · Air conditioning · 10-49 employees

  Oak Refrigeration, Air Conditioning & Electrical Services offers comprehensive HVAC and electrical solutions for retail, commercial, and industrial cl

• O Oakes Energy Houghton Le Spring · Heating & ventilation

  Oakes Energy Services provides HVAC, renewable technology, and electrical solutions for commercial customers, helping businesses decarbonise and reduc

• O Oakford Integration Ltd Devizes · Electrical

  Oakford Integration provides smart, sustainable infrastructure including solar energy, EV charging, automation, security, and data solutions for resid

• O Oakmoor Heating Ltd Twickenham · Heating & ventilation

  Oakmoor Heating Ltd offers comprehensive gas boiler servicing, installations, upgrades, and repairs. Gas Safe registered engineers providing central h

• O Oakpark Energy Ltd Buckingham · Solar PV

  Oakpark Energy provides expert renewable energy solutions for homes and businesses, including solar panels, battery storage and EV charging.

• O Oakray Ltd Enfield · Heating & ventilation

  Oakray are property performance specialists providing building support since 1979. This family-owned business is a contractor of choice for compliancy

• O Oakray Renewables Enfield · Solar PV

  Oakray Renewables offer comprehensive renewable solar energy solutions for residential and commercial properties. Explore our services to embrace a gr

• O Oakwood Collective Stowmarket · Main contractor

  Oakwood Collective are Suffolk principle contractors delivering bespoke house extensions, renovations, new builds, kitchens, bathrooms & commercial bu

• O Oakwood Construction (UK) Ltd Main contractor · 1-9 employees

  Oakwood Construction (UK) provides expert building and structural engineering services to Greater London. With over 27 years of experience, we handle

• O Oakwood Construction Services Ltd Maidstone · Refurbishment · 10-49 employees

  Reliable reactive and planned maintenance across Kent, London and the South East. 24/7 support, fast response, and expert building maintenance solutio

• O Oasis Heating & Plumbing Ltd London · Plumbing

  Oasis Heating & Plumbing offers professional heating and plumbing services for residential and commercial clients. Established in 2005, we provide rel

• O Ocboiler Ltd Falmouth · Heating & ventilation

  Oil Boiler Servicing & Sales Across the UK. Based in Cornwall, we offer quality second-hand refurbished oil boilers, certified by OFTEC specifications

• O Ocean Solar Salisbury · Plumbing · 1-9 employees

  Ocean Solar provides renewable heating and plumbing solutions for domestic and commercial clients, including housing developers and contractors across

• O OCM Plumbing Ltd Carlisle · Plumbing

  24/7 emergency plumbing and drainage services in Carlisle. Fast response, no call-out fees, fully trained professionals. Residential & commercial plum

• O Octoplumb Ltd Cossington · Plumbing

  Octoplumb provides trusted heating and plumbing services across Wolverhampton, Staffordshire, Shropshire, Shrewsbury and Telford.

• O ODM Services Gravesend · Heating & ventilation · 10-49 employees

  Award winning company delivering commercial heating, plumbing and mechanical projects across London and the South East.

• O Oetzmann & Co. Folkestone · Plumbing

  Oetzmann & Co. is a family business established in 2003, specialising in plumbing and heating engineering. They offer excellent workmanship and servic

• O Off Grid Heating Ltd Monmouth · Heating & ventilation

  OFTEC approved installers of air source, ground source, water source and other off-grid heating solutions in Monmouthshire, Wales, Herefordshire, Glou

• O Offthebreeze Ltd Northampton · Design & build · 1-9 employees

  Specialists in designing and building high-performance veterinary clinics, hospitals, and laboratories across the UK.

• O Ogival Ltd London · Refurbishment

  Ogival offers professional property modifications and alterations, including refurbishments, basements, extensions, and loft conversions. With a desig

• O OGR Properties Ltd Portsmouth · Plumbing

  OGR Properties Ltd provides plumbing, gas & boiler services in Portsmouth & the surrounding areas. Get in touch today for all manners of plumbing.

• O OHM SMART LTD Accrington · Electrical

  Ohm Smart offers bespoke smart home and automation solutions, including lighting, AV, security, and network systems, designed to enhance convenience,

• 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 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 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 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 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 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 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 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 Olive Plumbing & Heating Services Borehamwood · Plumbing

  Trusted plumbers in Borehamwood with 30+ years of experience. Olive Plumbing & Heating Services offers expert solutions for homes and businesses.

• O Oliver Blackmore Specialist Gas Engineer Ltd Bridgwater · Heating & ventilation

  Specialist gas safe registered engineer for commercial, catering, and leisure specific gas installations, servicing, and maintenance. Oliver Blackmore

• O Oliver Fox Glasgow · Fire protection

  Oliver Fox provides 24/7 specialist biohazard, trauma, crime scene, hoarding, and emergency cleaning across the UK & Ireland. Fast, discreet, certifie

• O Oliver’S Services Ltd Pontypridd · Plumbing

  Oliver's Services offers tailored commercial plumbing, heating, renewables & sprinkler systems. Contact us for reliable solutions today!

• O Om Barker Builders Ltd Bagshot · Extensions

  OM Barker Builders Ltd is an experienced building company undertaking house extensions, garage conversions and more in Bagshot, Bracknell and the surr

• O OMEGA FIX London · Air conditioning

  Omega Fix provides expert air conditioning repair, installation, and maintenance services along with commercial refrigeration solutions across all 34

• O Omni Heating Ltd Portsmouth · Plumbing

  Highly-rated plumbing, heating and boiler solutions serving Portsmouth, Fareham & Hedge End for over 20 years. Call Omni Heating for expert advice.

• O OMR PLUMBING Leeds · Plumbing

  OMR Plumbing offers expert plumbing and heating services across Yorkshire and nationwide. With over 10 years of experience, we provide high-quality in

• O On Demand Plumbing & Heating Ltd Watford · Plumbing

  24/7 plumbing, heating & boiler specialists across Hertfordshire and all London boroughs. Transparent pricing, certified engineers.

• O ON HOME LTD Swineshead · Electrical

  On home ltd, Boston. All your electrical and heating/plumbing needs in one place. All aspects of install, services & repairs.

• O 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,

• O ON TIME HEATING SERVICES LTD Birmingham · Heating & ventilation

  ON TIME HEATING SERVICES LTD: Experts in boiler repairs, servicing, and installs in Birmingham and surrounding areas. Gas Safe certified for all gas a

• O 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

• O ONE | Plumbing & Heating Tranent · Plumbing

  ONE | Plumbing & Heating is a family-run business offering trusted, high-quality plumbing and heating services. With over 23 years of experience, we p

• O ONE CALL GAS SERVICES LIMITED Sandwich · Heating & ventilation

  One Call Gas Services offers expert heating and plumbing services in Kent, including boiler repairs, installations, and Gas Safe certificates. Call 01

• O 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

• O 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

• O 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

• O 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