Heating & ventilation contractors working in commercial

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

• O 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

• O ONE-STOP APPLIANCE REPAIRS Caerphilly · Electrical

  One Stop Appliance Repairs offers reliable appliance repairs in Cardiff, Caerphilly, and Newport. Authorised repair agents for Domestic & General and

• O ONE31 ENERGY LTD London · Solar PV

  ONE31 ENERGY LTD is a renewable energy company focused on reducing costs, cutting carbon, and building a sustainable future through innovative energy

• 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 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 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 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 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 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 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 Onyx Solutions Ipswich · M&E contracting

  Onyx Solutions Ltd is a trusted provider of building and facilities services, delivering high-quality solutions across the region. Part of the EPPH Gr

• O Opal Access Group Newcastle Upon Tyne · Rail infrastructure · 1-9 employees

  Opal Access Limited delivers facilities management, maintenance, rope access, commercial cleaning, security, workwear, rail and renewables services ac

• O Opal Construction (Nw) Ltd Manchester · Main contractor · 1-9 employees

  100% customer satisfaction in the Greater Manchester area. Specialising in building work including extensions, decking, groundwork, staircases, window

• O Opalux Group Ltd Gloucester · Electrical

  Opalux Group provides expert electrical, mechanical and construction services across Gloucestershire and The Cotswolds.

• O Openfix Ltd Newcastle-Under-Lyme · Heating & ventilation

  OpenFix offers comprehensive home and boiler cover with unlimited repairs, fast response, and a price match guarantee. Rated 5 Stars by Defaqto.

• O Optimal Cooling Manchester · Air conditioning

  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

  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

  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

  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

  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

  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

  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

  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

  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

  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

  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

  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

  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

  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

  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

  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

  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

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