Energy construction companies

4513 UK companies working in the energy sector.

• H H & G Contracts Ltd Londonderry · Electrical · 1-9 employees

  H&G Contracts Ltd. - Your trusted choice for efficient, cost-effective solutions in power cabling & terminations.

• H H B Tunnelling Ltd Doncaster · Civil engineering · 10-49 employees

  HB Tunnelling Ltd is a specialist contractor providing pipejacking, shaft sinking, augerboring, timber headings, sheetpiling, grouting, and plant hire

• H H R Fabrication Ltd Sunderland · Steel fabrication

  Precision structural steel fabrication, CNC profiling, welding and steel erection. UK manufacturers delivering quality steelwork on every project.

• H H.C.M. Electrical Ltd Codnor · Electrical

  HCM Electrical Ltd is a trusted provider of high-quality electrical services, delivering excellence to clients across various industries. With over 30

• H Habitan Group Ltd Romford · Heating & ventilation · 1-9 employees

  Habitan provides renewable heating & cooling solutions for London's residential and commercial buildings, focusing on efficiency, quality, and custome

• H Hackwood Electrical Ltd Tamworth · Electrical

  Hackwood Electrical is your friendly electrical contractor covering the West Midlands; experts in all aspects of domestic, commercial & industrial ins

• H Hadley Renewables Ltd Stafford · Solar PV

  Hadley Renewables integrates renewable energy solutions like solar panels and heat pumps, reducing carbon footprint and energy costs with a personalis

• H HAGG RECRUITMENT Newcastle Upon Tyne · Insulation

  Hagg Recruitment is a specialist international recruitment agency connecting talent with global opportunities across Europe, Asia, and the Middle East

• H Haggar Construction Ltd Rochford · Civil engineering · 1-9 employees

  Haggar Construction: Marine Civils, Groundworks & Drainage, EV/Solar Civils Facilitating works. De-risking infrastructure projects and delivering with

• H Hague Renewable Services Ltd Grimsby · Civil engineering

  Hague Group Ltd offers comprehensive infrastructure and renewable energy solutions, specialising in civil engineering, power, and telecommunications s

• H Hall Construction Services Ltd Rushyford · Civil engineering

  Hall Construction Services Ltd is a leading civil engineering and construction company with over 35 years of experience. They offer a wide range of se

• H Halo Hvac Ltd Huntingdon · Heating & ventilation

  HALO HVAC specializes in optimizing Heating, Ventilation, and Air Conditioning systems, UK leaders in Air Handling Unit refurbishment and HVAC energy

• H Haltbar Workwear & Printing London · Main contractor

  Haltbar Workwear & Printing is a leading online printing and marketing firm with over 25 years of experience, providing a one-stop marketplace for all

• H Haltermann Carless London · Bricklaying

  Haltermann Carless is a leading international manufacturer of high-value hydrocarbon specialties. ISCC PLUS & EU certified and Ecovadis Gold rated.

• H Hambleton Steel Ltd Richmond · Steel fabrication · 10-49 employees

  Hambleton Steel is a structural steelwork fabricator based in North Yorkshire, servicing the whole of the UK and Jersey. Specialising in steelwork des

• H Hampshire Rigging Services Ltd Romsey · Steel fabrication

  Manufacturers, suppliers, installers & LOLER inspectors of wire rope & lifting equipment for construction, offshore, marine & MOD.

• H Handforth Electrical Ltd Barnoldswick · Electrical

  Electrician based in Barnoldswick. Providing electrical installation, maintenance, and repair for domestic, commercial and industrial.

• H Hanmiglobal UK Ltd London · Main contractor

  Specialist expertise backed by advanced technology and proven strategies for construction success. Global network and AI-driven project management.

• H Hanna Mechanical Ltd Belfast · Plumbing

  Hanna Mechanical Ltd provides expert mechanical service installations, from maintenance to repairs, ensuring efficiency and reliability in every proje

• H Hannah Mep Ltd Ashford · M&E contracting

  Hannah MEP provides full end to end design, installation, commissioning & facility management services for Mechanical, Electrical & Protective systems

• H Hanson Electrical And Renewables Ltd East Grinstead · Solar PV

  Welcome to Hanson Electrical and Renewables Limited, your trusted solar panel installers in East Grinstead. We specialise in solar panel and EV charge

• H HanTom Electrical Solutions Ltd Worksop · Solar PV

  HanTom Electrical Solutions Ltd offers expert electrical services, specialising in solar PV, battery storage, EV charging, and air source heat pump el

• H Happy Energy Solutions Ltd Truro · Insulation

  Happy Energy Solutions Ltd provides PAS2030/PAS2035 compliant energy and carbon saving solutions for local authorities, social landlords, and homeowne

• H Hardy-Tunstall Engineering Hitchin · Civil engineering

  Hardy-Tunstall Engineering offers expert engineering and construction solutions across industrial, automotive, water, power, education, residential, a

• H Harlan Electrical Southport · Solar PV

  Harlan Electrical specialises in innovative renewable energy solutions in Southport, including solar panels and electric vehicle chargers. NAPIT certi

• H Harlaxton Holdings Ltd Grantham · Utilities · 50-249 employees

  Harlaxton Engineering Services Ltd is a leading Multi Utility service provider, specialising in the installation of electric, gas, and water connectio

• H Harlech Electrical Services Ltd Liverpool · Solar PV · 10-49 employees

  Harlech Electrical Services provides expert solar panel installations for homes and businesses. Reduce your energy bills and carbon footprint with our

• H Harlequin Fixings & Sealants Ltd Kilmarnock · Steel fabrication

  Harlequin Fixings & Sealants Ltd is a supplier of power tools, hand tools, fixings, screws, sealants, adhesives, and Paslode nail guns. They are a Pas

• H Harling Electrical Ltd Snetterton · Electrical

  Electrical contractors covering Norfolk and Suffolk. Specialists in domestic, commercial, industrial, EV charging, solar PV, and battery storage.

• H Harness Renewables Houghton Le Spring · Solar PV

  Harness Renewables specialises in solar PV installations, combining electrical and roofing expertise for residential and commercial clients. They are

• H Harnessing Energy Hassocks · Solar PV

  Harnessing Energy Limited specialises in Solar PV and Battery Storage solutions, offering expert guidance and tailored installations for residential a

• H Harney & Co Ltd Blandford Forum · Main contractor · 1-9 employees

  Harney & Co Ltd is a reputable accountancy firm offering bookkeeping, tax services, financial planning, payroll, business advice, and more to business

• H HARPENDEN HEAT PUMPS LTD St. Albans · Heating & ventilation

  Expert heat pump installation, servicing & repair across Hertfordshire, Bedfordshire & Buckinghamshire. MCS certified with 40+ years experience.

• H Harvey Kent Ltd Gravesend · Rail infrastructure · 1-9 employees

  Harvey Kent Ltd is a specialist labour supply agency providing skilled workers for groundworks, railway, and solar farm projects across Southeast Engl

• H Hassan Allam Construction UK Ltd London · Main contractor

  Hassan Allam Holding is a leading Egyptian corporation in engineering, construction, investment, and development, with 90 years of experience and a gl

• H Hatcher'S Electrical Ltd Cardiff · Electrical

  Hatcher's Electrical Ltd offers expert domestic and commercial electrical services, specialising in EV charge point and Solar PV/battery storage insta

• H Havbredey Ltd Edinburgh · Solar PV

  Havbredey Limited is a UK-based company involved in the energy sector, focusing on renewable energy infrastructure development and construction.

• H Haven Dredging Harwich · Marine & water engineering · 1-9 employees

  Haven Dredging offers Tiamat, a cleaner, greener, cheaper, and more efficient method of dredging for port authorities and dredging companies.

• H Hawk Contracting Ltd St Albans · Utilities

  Fast-reacting, safety-focused support for the electricity industry. From design to delivery, we power your projects without the hassle.

• H Hawkeye Rope Access Solutions Ltd Durham · Roofing

  Hawkeye Rope Access Solutions: Safe, Speedy, Service. We strive for excellence, prioritizing client needs and safety in all projects, from small to la

• H Hawthorndon Developments Ltd Norwich · Utilities · 10-49 employees

  HDL delivers essential infrastructure services to the telecommunication sector across the UK, focusing on design, build, and maintenance of telecom in

• H Hazeez Engineering Consulting Company London · Design & build

  Hazeez Engineering Consulting Company: Professional engineering consulting with modern design and advanced motion effects.

• H HAZPREV Safety Dundee · Fire protection

  HAZPREV Safety provides a comprehensive range of safety equipment, technical workwear, and PPE, supporting key industries like construction, renewable

• H HE Servicing Ltd Hexham · Solar PV

  H E Servicing Ltd is a family company based in Hexham, providing installation & servicing of Wind Turbines and Domestic & Commercial Solar PV solution

• H Headland Electrical Solutions Ltd Torquay · Electrical

  Expert electricians in Exeter & Torquay, rewires, solar panels, electrical testing, EV chargers. NAPIT-certified & Octopus Energy trusted for renewabl

• H Healthy Indoor Air UK Ltd London · Damp proofing

  Independent verification and peace of mind for healthy indoor air quality. We offer expert guidance, practical testing, and tailored solutions to iden

• H Heartland Pipelines Ltd Stoke On Trent · Utilities · 10-49 employees

  Heartland Pipelines is an STW-approved Tier 1 directional drilling (HDD), utility pipeline and self-lay water network contractor based in Telford, Shr

• H Heat Different Norwich · Heating & ventilation

  Renewable heat pump installers in Norfolk and Cambridgeshire. Supplying quality renewable energy systems for domestic and commercial use.

• H Heat Elite Ltd Stevenage · Heating & ventilation

  Heat Elite Limited offer domestic and commercial heating and plumbing services in Hertfordshire and surrounding counties. Specialising in top-notch so

• H Heat Horizons Harpenden · Solar PV

  Heat Horizons offers innovative Battery-Buffered Heat Pump solutions for home energy independence with renewable technologies and over 20 years of exp