Heating & ventilation contractors working in commercial

6785 UK heating & ventilation contractors working in the commercial sector.

• O Optimal Cooling Manchester · Air conditioning · 1-9 employees

  Expert air conditioning installation and repair services for homes and businesses across Greater Manchester. We offer efficient, bespoke cooling and h

• O Optimal Energy Solutions Ltd Grays · Solar PV · 1-9 employees

  Optimal Energy Solutions specialises in designing and installing solar PV systems, solar battery storage, air source heat pumps, and EV charging solut

• O Optimal Heating & Cooling London · Heating & ventilation · 1-9 employees

  Gas, heating & air conditioning engineers for homes and businesses across the West Midlands & nationwide. Installations, servicing, repairs.

• O Optimal Mechanics Solutions Ltd Esher · Plumbing

  Professional plumbing and air conditioning services with over 15 years of commercial construction experience. Quality installations and health standar

• O Optimal Property Maintenance London · Refurbishment · 1-9 employees

  Optimal Property Maintenance offers a comprehensive range of property maintenance services, including refurbishment, painting, roofing, electrical, an

• O OPTIMAL RENEWABLES LIMITED Stirling · Heating & ventilation

  Expert heat pump installers in Central Scotland, specialising in air source and ground source heat pumps for homes and businesses. MCS-certified profe

• O Optimum Hvac Ltd St. Leonards-On-Sea · Heating & ventilation

  Plumbing, Heating & Cooling in East Sussex, from Optimum HVAC, backed by 120+ Google Reviews. Booked properly. Turned up on time.

• O Optimus Facilities Ltd Liverpool · M&E contracting

  Optimus Facilities: Your Building Services & Engineering Partner. Specialising in mechanical & electrical systems design and installation across the N

• O Opus Building Services Ltd Boldon · M&E contracting · 50-249 employees

  OPUS Building Services Ltd is a leading contractor of mechanical, electrical and building services across a wide range of sectors throughout the UK. F

• O Opus Plumbing And Heating Ltd Chesterfield · Plumbing · 1-9 employees

  OPUS Plumbing & Heating offers the highest quality plumbing and heating services through our specialist, reliable tradespeople and staff.

• O Opus Pro Audio Ltd Burnley · Electrical · 1-9 employees

  Opus Pro Audio provides site surveys, design, installations, spare parts, and maintenance contracts for sound and lighting systems. They serve various

• O ORB MECHANICAL & ELECTRICAL LTD Bristol · M&E contracting · 10-49 employees

  Leading M&E contractors in Bristol. NICEIC accredited electrical installations, mechanical services, and M&E design for commercial and residential pro

• O Orbel Services Ltd Basingstoke · Heating & ventilation · 1-9 employees

  Orbel Services Ltd offers reliable and efficient heating and plumbing services in Basingstoke and Four Marks. Established in 1986, we pride ourselves

• O ORCA Plumbing & Heating Ltd Crawley · Plumbing · 1-9 employees

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

• 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 Origin Electrical And Mechanical Services Ltd Ossett · Electrical · 1-9 employees

  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 Original Heating Ltd Londonderry · Heating & ventilation · 1-9 employees

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

• O Oriole Constructors Ltd. London · Refurbishment · 1-9 employees

  Oriole Constructors Ltd offers quality, time, and cost control in building and construction projects across Bracknell and West London.

• O Orion Air Conditioning & Refrigeration Ltd Kempston · Air conditioning · 1-9 employees

  UK distributor of air conditioning, heating, ventilation, fans, garage equipment, extraction and dehumidifier products. Offers installation, service a

• O Orion Building Engineering Services Ltd Hemel Hempstead · Heating & ventilation · 10-49 employees

  Orion Building Engineering Services offers a comprehensive range of building maintenance and engineering services, including heating, ventilation, ele

• O Orrell Heating & Plumbing Wigan · Plumbing · 1-9 employees

  Orrell Heating & Plumbing, Shevington, Wigan, are your local bathroom, plumbing, and heating specialists that cover all areas across the north-west.

• O Ortal Fireplaces Wokingham · Heating & ventilation

  Ortal Fireplaces offers modern, contemporary, and traditional fireplaces, creating a sophisticated atmosphere and a warm, prestigious, and comforting

• O Orton Group Halesowen · Electrical

  Leading UK Electrical, Mechanical and Maintenance Services provider, delivering high-quality service on time and on budget for complex projects.

• O Osprey Electrical And Av Ltd Ashford · Electrical · 1-9 employees

  Osprey Electrical offers comprehensive domestic, commercial, and industrial electrical services, including design, installation, testing, CCTV, home t

• O Osprey Heating And Plumbing Ltd Dumbarton · Plumbing · 1-9 employees

  Need a reliable local engineer? Osprey Heating And Plumbing Ltd offers professional heating and plumbing services in Cardross, handling breakdowns, re

• O Otisbum Ltd Sunderland · Main contractor · 1-9 employees

  Otisbum Engineering & Construction Company Ltd offers high-quality building, renovation, maintenance, and engineering solutions for residential, comme

• O Otm UK Services Ltd London · Refurbishment · 1-9 employees

  OTM UK Services Limited offers reliable and professional cleaning solutions for homes and businesses across the UK. We focus on client safety, rigorou

• O Otpd Ltd Woodford Green · Plumbing · 1-9 employees

  24/7 Emergency plumbing and drainage services in Mayfair & Central London. Expert solutions for heating, boilers, and unblocking.

• O OTS Heating Services Durham · Heating & ventilation · 1-9 employees

  OTS Heating Services offers expert gas, heating, and plumbing services in Durham and the North East. We handle repairs, maintenance, and full installa

• O Our Mep Co. Ltd Fareham · M&E contracting · 1-9 employees

  Expert MEP design, installation & maintenance in Hampshire. Delivering quality, efficiency & energy-saving solutions for your building project. Get in

• O OVERTON BATHROOM CENTRE LIMITED Basingstoke · Bathroom fitting · 1-9 employees

  Overton Bathroom Centre Ltd is an independent bathroom retailer in the South of England, offering fully fitted or supply-only bathrooms. They work wit

• O Owain Pritchard Ltd Wrexham · Security systems · 1-9 employees

  Owain Pritchard is a multi-discipline business in Wrexham, North Wales, offering quality service and craftsmanship across domestic, commercial, and in

• O Owen & Palmer Ltd Bangor · Electrical · 10-49 employees

  Leading industrial electrical contractor servicing North & Mid Wales, managing installations, construction and facilities for complete solutions and a

• O OWEN GIBB AND SONS LTD Edinburgh · Heating & ventilation · 10-49 employees

  Owen Gibb & Sons Ltd is a specialist main contractor in Edinburgh, The Lothians & Fife, offering a wide range of trades and services for property reno

• O Ownz Maintenance Ltd Leicester · Refurbishment · 1-9 employees

  Tradespeople you can trust for high-quality property maintenance services. We focus on trust, competence, and integrity in every residential and comme

• O OX PROPERTY SERVICES LTD Bicester · Plumbing · 1-9 employees

  Plumbing, heating & boiler services in Oxfordshire & nearby areas. From repairs to installations, we offer reliable, professional service. Call us tod

• O Oxford Pipework Services Ltd Abingdon · M&E contracting · 10-49 employees

  Oxford Pipework Services Ltd (OPS) specialises in Mechanical Contracting, Installation, Commissioning, and Mechanical Building Services Design. Commit

• O Oxland Construction Consulting Ltd Wimborne · Main contractor · 1-9 employees

  Oxland Construction Consulting Ltd offers expert construction consulting services including surveying, project snagging, 3D modelling, project managem

• O Oxon Electrical Services Ltd Bicester · Electrical · 1-9 employees

  Oxon Electrical Services Ltd is a professional and reliable electrical contractor and electrician providing domestic and commercial electrical service

• O Oxtech Facilities Ltd Oxford · Plumbing · 10-49 employees

  Oxtech Facilities Ltd provides expert plumbing, heating & gas services in Oxford & Oxfordshire. Boiler installs, repairs & bathrooms. Free quotes.

• O Oxyplumb Ltd Carterton · Heating & ventilation · 1-9 employees

  West Oxfordshire's top heating engineers. We provide premium boiler installation with 12-year guarantees & 0% finance. Get a free quote!

• O Ozone Buildworld Ltd London · Plumbing · 1-9 employees

  Ozonebuildworld Ltd offers premium property maintenance services across the UK, including plumbing, electrical, carpentry, and painting. Contact us fo

• P P & A Plumbing Heating and Mechanical Engineers Ltd Preston · Plumbing · 1-9 employees

  Domestic and commercial plumbing, heating, and gas services in Preston and the North West. Experienced professionals offering reliable and affordable

• P P A Henery Ltd South Croydon · Plumbing · 1-9 employees

  Reputable plumbing, heating and electrical company serving South Croydon and the surrounding areas. Our reactive, servicing and planned preventative m

• P P B Gas Ltd Congleton · Plumbing · 1-9 employees

  PB GAS Ltd offers comprehensive plumbing and heating services in North Staffordshire and South Cheshire. Established in 2007, they are Gas Safe regist

• P P Butler Plumbing & Heating Ltd Chelmsford · Plumbing · 1-9 employees

  P Butler Plumbing & Heating Ltd offers professional plumbing and heating services for domestic and commercial clients. Based in Chelmsford, we are com

• P P Dymott Plumbing & Heating Ltd London · Plumbing · 1-9 employees

  P Dymott Plumbing & Heating Ltd offers boiler repairs, central heating installations, and bathroom design services in Ealing and surrounding areas. Co

• P P J D Martin Ltd Camborne · Plumbing

  PJD Martin Ltd provides domestic, commercial and industrial plumbing, heating, process and mechanical engineering solutions in Cornwall.

• P P J Plumbing Heating & Maintenance Ltd Norwich · Plumbing · 10-49 employees

  Trusted commercial plumbers and heating engineers in Norfolk. PJ Plumbing provides reliable plumbing, heating, and maintenance services within Norfolk