Energy construction companies

4493 UK companies working in the energy sector.

• H Heat Saving Specialists Llanelli · Heating & ventilation

  Reducing the cost of home energy bills by securing grants for central heating upgrades such as boilers, air source heating, radiators and extra home i

• H Heat Smart Ltd Brentwood · Solar PV · 1-9 employees

  MCS, NICEIC & Gas Safe certified installers of solar panels, air source heat pumps, EV chargers and boilers across the UK. Free quotes, 0% VAT, 25-yea

• H Heat Tech Energy Ltd Bolton · Heating & ventilation

  Heat Tech Energy provide services for both domestic & commercial customers. Specialists in Central Heating Boiler Installation & Repair.

• H Heat Works Ltd Bradford · M&E contracting · 10-49 employees

  Heatworks Group offers a complete building services solution, delivering M&E system designs, installations, and maintenance packages across various se

• H Heat4energy Ltd Middlesbrough · Heating & ventilation · 1-9 employees

  Heat4Energy assists homeowners in reducing household expenses through ECO4 grants, installing energy-saving equipment for future-proof homes.

• H HeatCo Scotland Motherwell · Heating & ventilation · 1-9 employees

  HeatCo Scotland are leading heating and renewable energy engineers installing new boilers, heat pumps and solar panels in Glasgow & across Scotland.

• H Heated Mechanical Services Maidstone · Heating & ventilation

  Mechanical, plumbing and renewable energy services for contractors, developers, consultants and homeowners across Kent, London and the South East.

• H Heatiliti Ltd London · Heating & ventilation

  The dedicated utility for heat networks. Design & build - Operate & maintain - Heat-as-a-Service. We adopt, manage and invest in heat networks, delive

• H Heatility London · Heating & ventilation

  Heatility installs Air Source Heat Pumps, offering a cleaner, smarter alternative to traditional boilers with government grants and 0% VAT.

• H HEATING COOLING & AUTOMATION London · Heating & ventilation

  HCA specializes in efficient heating, cooling, and automation solutions. Our trained engineers ensure optimal design and installation of heat pumps an

• H Heatline Renewables Sawbridgeworth · Heating & ventilation · 1-9 employees

  Heatline Renewables offers expert installation, repair, and servicing for air source heat pumps, ground source heat pumps, and boilers. MCS accredited

• H Heaton Green Dust Control Ltd Batley · Design & build · 10-49 employees

  Heaton Green is a UK leader in industrial dust extraction systems, dust collection and LEV testing. Contact Heaton Green about your dust control today

• H HEATPAC Cleveland · Insulation · 10-49 employees

  Heatpac, established in 1976, specialises in residential and commercial insulation, boiler upgrades, solar panels, and heat pumps. They offer expert a

• H Heatshine Ltd Cardigan · Plumbing · 10-49 employees

  Professional, friendly Plumbers and Heating Engineers, specialising in Oil, Gas & Renewable Energy. Speak to one of our engineers for free, friendly a

• H Heatswap Ltd Northfleet · Heating & ventilation · 1-9 employees

  Expert plumbing and heating services in Gravesend, covering the whole of the South East. Get a quote today.

• H Heatweb Solutions Ltd Sudbury · Heating & ventilation · 1-9 employees

  Heatweb Solutions UK is a leading consultant in energy efficiency optimisation, helping businesses reduce their carbon footprint through smarter heat

• H Heatwise Gas & Electrical Ltd Pontefract · Heating & ventilation

  With over 20 years' experience, Heatwise Gas & Electrical Ltd provides reliable Boilers Installs, Heat Pumps, Solar panels and Air Conditioning soluti

• H HEATWISE INSULATION LTD Bradford · Insulation · 1-9 employees

  Heatwise Insulation offers expert insulation services, boiler repairs, and central heating grants to help homeowners and tenants save money on energy

• H HeatZen Eccles Manchester · Solar PV · 10-49 employees

  Award-winning energy specialists providing expert heating, solar, and retrofit services across the UK. We deliver energy-efficient solutions for homes

• H Heerema Marine Contractors U.K. Ltd London · Marine & water engineering · 10-49 employees

  Heerema Marine Contractors UK Ltd is a leading offshore marine contractor and engineering solutions provider, specializing in complex offshore project

• H Heightlink Fall Protection Services Ltd London · Scaffolding · 1-9 employees

  HeightLink Fall Protection Services Ltd specialises in the inspection, design, and installation of fall protection and anchor systems across the UK, e

• H Heighway Group Seaton · M&E contracting · 10-49 employees

  Integrated energy solutions for the UK power sector, from EHV systems to civil engineering. Heighway Group provides seamless service across mechanical

• H Heighway Group Chard · M&E contracting

  Integrated energy solutions for the UK power sector, from EHV systems to civil engineering. Heighway Group offers seamless service across multiple spe

• H HeliosX Ltd Derby · Solar PV

  Affordable solar energy solutions for a sustainable future. HeliosX Ltd is committed to clean energy, offering free quotes and expert installation.

• H Heliotec Energy Ltd London · Solar PV

  Heliotec is an energy management software for UK multi-site operators. Cut waste, hit SECR targets and act on alerts at the site level - no hardware n

• H Helirig Ltd Newbury · Crane hire · 1-9 employees

  Helirig provides specialist helicopter lifting services for heavy loads, transportation, antenna, TV & radio projects across the UK and Ireland.

• H Hello Renewables Ltd Fleet · Heating & ventilation · 1-9 employees

  Hello Renewables: trusted renewable energy installers in Hampshire, covering the South of England. Specialising in Air Source Heat Pumps and Air Condi

• H HEMAJU RESIDENTIAL & COMMERCIAL INVESTMENTS LTD London · Main contractor

  Hemaju RCI sp. z o.o. is a Polish operational company within the HEMAJU group, specializing in comprehensive event organization and production. They o

• H Henderson Limited Sittingbourne · Heating & ventilation · 10-49 employees

  Henderson FM provides a comprehensive range of building maintenance, mechanical, electrical, and construction services across the UK. We offer planned

• H Hendra Electrical Ltd Callington · Electrical · 1-9 employees

  Hendra Electrical Ltd offers comprehensive electrical services across Cornwall and the South West, specialising in domestic, commercial, and industria

• H Henley Heating and Plumbing LTD Henley On Thames · Plumbing · 10-49 employees

  Henley Heating and Plumbing Ltd offers comprehensive heating, plumbing, and electrical services for domestic and commercial properties across Oxfordsh

• H Henman Dunn Ripley · Plumbing · 10-49 employees

  Henman Dunn: Trusted plumbing, heating, and renewable energy specialists in Derbyshire. Gas Safe registered. Domestic and commercial services.

• H Henwood Electrical Services Ltd Launceston · Electrical · 1-9 employees

  Henwood Electrical Services Ltd offers specialized domestic, commercial, and industrial electrical solutions, including Solar PV systems, battery stor

• H Hercules PLC Cirencester · Civil engineering

  Hercules PLC offers comprehensive construction solutions across various sectors, from labour supply to health service facilitation, prioritizing high

• H Hergan Construction Ltd Newport · Groundworks · 1-9 employees

  Hergan Construction Ltd delivers specialist construction solutions across England and Wales, with over 70 years of combined industry experience.

• H Heritage Power Ltd Bedford · Electrical · 1-9 employees

  Established in 2006, Heritage Power Ltd is an electrical contractor in the domestic and commercial sectors. Based in Bedford UK, we offer services suc

• H HERRELL ELECTRICAL SERVICES LTD Swindon · Electrical

  Herrell Electrical Services Ltd provides certified electrical services in Swindon and Wiltshire, specialising in domestic, commercial, and renewable e

• H Hewheat Roofing Ltd Nottingham · Roofing

  Hewheat Roofing Ltd is a Nottingham based family business with over 50 years commercial and residential single ply roofing & cladding experience.

• H Hf Fire & Security Ltd Glasgow · Electrical · 10-49 employees

  HF Group is a leading provider of next-generation technologies, offering a comprehensive range of services including electrical, mechanical, HVAC, fir

• H HFS Environmental Gravesend · Asbestos removal · 10-49 employees

  HFS Environmental are UKAS accredited asbestos specialists providing management, refurbishment, and demolition surveys nationwide and internationally.

• H HHE Energy Ltd Irvine · Heating & ventilation · 1-9 employees

  Cut energy bills & lower emissions with HHE Energy's expert renewable installations. Trust our specialists to futureproof your home or business today.

• H Hi-Spec Electrics Camberley · Electrical · 1-9 employees

  Hi-Spec Electrics, Surrey offer bespoke electrical solutions for domestic, light industrial and commercial clients. Our local electricians have a repu

• H High Peak Access Ltd Buxton · Civil engineering · 1-9 employees

  High Peak Access Ltd is a rope access and geotechnical company based in the Peak District, Derbyshire, specialising in services for the quarrying indu

• H High Peak Renewables Stockport · Heating & ventilation · 1-9 employees

  High Peak Renewables offers expert installation, servicing, and maintenance for energy-efficient heating solutions, including renewable technologies a

• H High Voltage Asset Installation Ltd Wisbech · Electrical

  Expert HV installation services across the UK. Trusted by industry leaders for safe, efficient, and future-ready power solutions.

• H High Voltage Commissioning Ltd Letchworth Garden City · Electrical

  Expert High Voltage Commissioning Engineers empowering tomorrows electrical solutions.

• H Highland Deephaven Ltd Evanton, Dingwall · Property developer · 50-249 employees

  Highland Deephaven offers 468 acres of industrial land and building leasing opportunities within the Inverness & Cromarty Firth Green Freeport, ideal

• H Highland Eco Design Auchterarder · Design & build

  Highland Eco Design specialises in the design, procurement, and management of small-scale hydro power schemes across Scotland. They offer a comprehens

• H Highland Wind Farm London · Solar PV

  Highland Wind Farm is a joint venture developing a significant renewable energy project in the Scottish Highlands, aiming to contribute to net-zero em

• H Highlands And Islands Renewables Ltd Banff · Insulation

  Retrofit and Net Zero Solutions for Homes and Businesses Across the Highlands & Islands. We specialise in energy efficiency and renewable energy solut