Heating & ventilation contractors in London working in commercial

766 heating & ventilation contractors in and around London working in the commercial sector.

• I Intsol Construction Ltd London · Refurbishment · 1-9 employees

  IntSol Construction Ltd is a London-based construction company offering a comprehensive range of services including refurbishment, fit-out, and M&E co

• I IQ Plumbing London London · Plumbing

  IQ Plumbing is London's leading provider of expert plumbing, heating, and boiler services. Available 24/7 for emergencies. Gas Safe registered and ful

• I IQ Premium Engineering London · Electrical

  IQ Premium Engineering Ltd: Luxury Smart Homes. Specialising in custom AV and smart home technology, with offices in London and Kyiv. CEDIA member.

• I Iropeaccess Ltd London · Scaffolding

  Specialist rope access company providing work-at-height services across London and the UK. IRATA certified. Get a free quote today.

• I Ivell Plumbing & Heating Ltd London · Plumbing

  Ivell Plumbing & Heating Ltd offers 24/7 emergency plumbing, boiler breakdowns, gas safety inspections, central heating installation, and leaky pipe r

• J J A Brooks Mechanical Services Ltd London · M&E contracting · 50-249 employees

  JA Brooks is a mechanical services company designing, manufacturing, and fitting systems for water supply, sanitation, heat, fresh air, and gas across

• J J O'Connor London · Heating & ventilation

  J O'Connor is a national mechanical and electrical contractor established over 25 years ago, serving public, commercial, and private sectors with a 24

• J J Pearson Trading Ltd London · Heating & ventilation

  Professional boiler installations, central heating, MVHR systems & plumbing services across London. 20 years experience. Same-day callouts available.

• J J Smith & Sons London · Heating & ventilation

  J Smith & Sons Ltd in Epping offers reliable heating, plumbing, boiler and central heating services to its clients across Essex & Herts.

• J James A. Turner Ltd London · Plumbing · 10-49 employees

  A Trusted Local Company Since 1968. For nearly six decades, James A Turner Heating & Plumbing has built a reputation across Hertford for dependable pl

• J James Winney Heating And Gas Ltd London · Plumbing

  Plumbers and Gas Engineers in Streatham, South London. Offering boiler installation, central heating, plumbing, gas works, and bathroom refurbishments

• J Jbl Plumbing & Heating Ltd London · Plumbing

  JBL Plumbing & Heating offers comprehensive plumbing and heating services across London, including emergency repairs, boiler services, and residential

• J JCH London London · Heating & ventilation · 1-9 employees

  JCH London offers expert heating, ventilation, and green energy solutions for domestic and commercial clients across London, focusing on quality workm

• J Jewel Property Serve London · Refurbishment · 1-9 employees

  Jewel Property Serve, London and the South East's responsive partner for high-end property maintenance, refurbishment and fire & flood restoration. 24

• J Jht Energy Services Ltd London · Heating & ventilation

  JHT Energy Services installs Air Source Heat Pumps with a £7,500 grant, plus private solar panels & air conditioning. TrustMark Certified.

• J Jki Group Ltd London · Design & build

  JKI Group is a London-based company specializing in design and build, offering tailored solutions for residential and commercial spaces. They focus on

• J JL Phillips Renewable Energy London · Solar PV

  JL Phillips specialises in heat pump and solar PV installations across the UK. Over 1,000 projects completed-contact us today!

• J JM Electrical Services London · Electrical

  Electrical, lighting, CCTV, and AV installation services across London & Home Counties. Part P Certified, Fully Insured, Authorised Ring Dealer. 30+ y

• J Johnson Plumbing Services Ltd London · Plumbing · 1-9 employees

  Welcome to Johnson Plumbing Services Limited! Discover expert plumbing solutions for your Shephall home or business. From repairs to installations, tr

• J Jp Mechanical Ltd London · Plumbing

  JP Mechanical Ltd provides expert plumbing, heating, and HVAC services across London. Rapid response, reliable workmanship, and tailored mechanical so

• J Just Services Group London · Heating & ventilation

  Boiler, plumbing, air conditioning and home cover specialists serving South London since 2016. Professional, friendly, Gas Safe registered engineers.

• J Jz Precision Ltd London · Plumbing

  JZ Precision offers expert plumbing, heating, and joinery services in North & West London. Available 24/7 for emergency call-outs with fast, professio

• K K Building & Maintenance Ltd London · Refurbishment · 1-9 employees

  K Building & Maintenance offers expert renovation, remodeling, and construction services across London and the Home Counties, with over 16 years of ex

• K K Energy Solutions Ltd London · Air conditioning

  K Energy Solutions Ltd provides premium air conditioning, HVAC, electrical, and ventilation services for luxury homes and commercial properties across

• K Kaizen Heating & Plumbing London · Plumbing

  Female-owned plumbing and heating business in London offering reliable, customer-centric solutions. Specialising in repairs, installations, and bathro

• K Kam Surveys Ltd London · M&E contracting

  Bringing engineering and data analysis expertise together, providing clients accurate outputs for their built environments.

• K KBK Property Services London · Refurbishment

  KBK Property Services offers high-quality, cost-effective property maintenance to domestic and commercial clients in London and the South East. Establ

• K KCS ELECTRICS LTD London · Electrical

  NICEIC approved electricians and Gas Safe engineers in London. We provide electrical installations, EICRs, and landlord safety certificates. Book a se

• K Keep It Techiie Ltd London · Electrical

  Expert IT support, CCTV installation, home automation, and electrical services in Wandsworth, London. Certified professionals for home & business need

• K Keigen London · Plumbing

  Keigen helps teams verify which traffic, growth, campaign outcomes, rewards, and AI-agent actions deserve trust before commercial action.

• K Kemco Plumbing & Heating London · Plumbing

  Kemco Plumbing & Heating are Gas Safe registered engineers providing reliable plumbing, heating, and boiler services across London and the South East.

• K KENMAR COOLING LIMITED London · Air conditioning

  Kenmar Cooling is an established Air Conditioning and Refrigeration company serving commercial clients in London and surrounding areas. Offering insta

• K Kensington Maintenance Services London · Refurbishment

  Property Maintenance & Handyman Service in london to get all those handyman tasks you have out of the way ? Trust us to get it done

• K Kentek Engineering London · Heating & ventilation

  Kentek Engineering offers expert domestic and commercial heating and plumbing services, focusing on quality, efficiency, and customer satisfaction. Th

• K Keylight Services Ltd London · Electrical · 1-9 employees

  Keylight Services offers expert electrical and mechanical engineering solutions in London, alongside specialised painting and decorating services for

• K Keystone London Group Ltd London · Plumbing

  Trusted London plumber for plumbing, heating, boiler repairs, air conditioning and emergencies across West, South West and Central London.

• K Khater Ltd London · Main contractor

  Khater Ltd is a professional building company in London, offering a wide range of services with a focus on quality, reliability, and customer satisfac

• K Knights Air Ltd London · Air conditioning

  Knights Air Ltd provide air conditioning services for residential & commercial properties covering London, Essex & Suffolk.

• K Knights Heating Ltd London · Heating & ventilation

  Knights Heating Ltd is your local Gas Engineer in East and North London, offering expert boiler repairs, installations, gas safety certificates, and c

• K Kore Commercial Ltd London · Refurbishment

  Kore Commercial is a premier building maintenance company specialising in commercial, industrial and residential property upkeep. We provide a complet

• K Krut Ltd London · Tiling

  Krut Limited offers premium architectural craft, elevating London interiors with exceptional craftsmanship in tiling, wood flooring, heating systems,

• K Ks Engineering Solutions Ltd London · Air conditioning · 1-9 employees

  KS Engineering Solutions Ltd. is a family-run business delivering high-quality finishes with a focus on detail. We combine extensive knowledge and exp

• K Kv Heating & Plumbing Ltd London · Heating & ventilation

  Trusted heating and plumbing experts in London, providing energy-efficient solutions, system maintenance, and installation services for residential an

• L La Yaanat Projects & Recruitment Ltd London · Main contractor

  LA YAANAT PROJECTS & RECRUITMENT LTD provides building completion, industrial cleaning, and business support services with reliability and professiona

• L Labourtek Ltd London · Groundworks

  Labourtek Ltd provides skilled general labourers, loading gangs, and after-builders cleaning services. We pride ourselves on a professional, trained t

• L LANE FACILITIES LTD London · Refurbishment

  Lane Facilities offers property and maintenance services, from quick repairs to full refits. They provide skilled, DBS-checked professionals with a si

• L LDN MAINTENANCE SERVICES London · Electrical

  LDN Maintenance Services: Your all-in-one property partner in East London. Accredited electricians, plumbers, and builders. Call for a free quote.

• L Legacy Renovation Group Ltd London · Refurbishment

  Legacy Renovation Group specializes in home improvement and renovation services in North London. With over 20 years of experience, they offer expert c

• L Leo Lynch Engineering Services (UK) Ltd London · M&E contracting

  Leo Lynch is a specialist mechanical, electrical and process engineering contractor with decades of experience delivering high-performing construction

• L Leonari Ltd London · M&E contracting

  Leonari provides expert Mechanical & Electrical services, from Shell and Core to Cat-A/B fit-outs, across diverse sectors including commercial, reside