Energy construction companies

4493 UK companies working in the energy sector.

• M Mecsol Ltd Bristol · M&E contracting · 10-49 employees

  Mecsol is a leading UK mechanical and electrical engineering contractor with over 35 years of experience, specialising in M&E work in hazardous waste

• M Meehan Heating Ltd Twickenham · Heating & ventilation · 1-9 employees

  Meehan Heating Ltd is a family-run business specialising in bespoke energy systems, including renewable technologies and Gas Safe certified services.

• M Megan Renewable Installations Ltd Yateley · Solar PV · 10-49 employees

  Megan Renewable Installations provides bespoke renewable energy and decarbonisation solutions across London, the South-East and UK. From heat pumps an

• M Megas (UK) Gas Equipment Ltd London · M&E contracting

  MEGAS is a gas and engineering service provider specializing in industrial, medical, and bio-oxygen applications, offering proprietary equipment and t

• M Melas Corp Ltd London · Property developer · 1-9 employees

  Investment firm focused on sustainable growth in real estate and renewable energy. We build portfolios while creating value and shaping a greener futu

• M Melbury Capital Ltd Glasgow · Property developer

  Melbury Capital Ltd is a multi-disciplined property investment & development company based in Edinburgh, focusing on Residential & Commercial developm

• M Memo Bul Trading Ltd Bournemouth · Civil engineering · 1-9 employees

  Specialised civil engineering and construction services across the UK, including groundworks, infrastructure projects, and subcontracting for commerci

• M Menai Heating Ltd Llandudno · Solar PV · 10-49 employees

  Menai Heating Ltd: Renewable energy specialists delivering expertly engineered renewable systems. Commercial solar, heat pumps, and air conditioning.

• M Menai Heating Ltd Llandudno · Solar PV · 1-9 employees

  Menai Renewables are energy specialists delivering expertly engineered renewable systems for homes and businesses. We offer bespoke commercial solar s

• M Menfor Group Willenhall · Civil engineering · 10-49 employees

  Experienced UK Skilled Labour Supplier providing solutions across Aviation, Construction, Highways, Nuclear, Railway and Utilities. Specialising in ci

• M Mentmore Power Services Ltd Hemel Hempstead · Electrical · 1-9 employees

  Mentmore Power Services Limited provides resilient and reliable power solutions, enhancing business productivity and assuring client reliability. Spec

• M Mercia Electrical Ltd Derby · EV charging · 10-49 employees

  Mercia Electrical specialises in EV Charging, Commercial & Industrial Electrical Installations, and sustainable energy solutions like Solar PV for dom

• M Mercury Alternative Ltd London · Solar PV · 10-49 employees

  Mercury Alternative Ltd invests in and develops large photovoltaic and storage plants in Italy, combined with sustainable agriculture. Established 201

• M Mercury Power Ltd Redhill · Electrical · 10-49 employees

  Specialists in Critical Power projects and suppliers of uninterruptible power supplies, generators, HV/LV transformers and switchboards.

• M Mere End Consultants Ltd Stoke-On-Trent · Solar PV · 1-9 employees

  Mere End Consultants offer Solar Panels, Solar Thermal, Air Source Heat Pumps, Boiler replacement, 0% VAT on costs and Government grants.

• M Merlin Capital Ltd Worcestershire · Property developer · 1-9 employees

  Merlin Capital Ltd is a diverse company involved in property development, land acquisition, rental properties, global renewable energy projects, and s

• M Meronym Energy Dunfermline · Utilities · 1-9 employees

  Meronym Energy delivers reliable project support with a focus on safety, compliance, and quality workmanship across the UK.

• M Mersey Heat Manchester · Heating & ventilation

  Mersey Heat is developing a low-carbon, cost-effective heat network for Liverpool Waters and surrounding areas, utilising heat from the Leeds and Live

• M MESO Energy Upminster · Utilities · 1-9 employees

  MESO Energy is an independent brokerage business acting as an intermediary between UK utility suppliers and consumers, facilitating, procuring and man

• M Meson Electrical Services Ltd Leeds · Electrical

  Meson Electrical Services: designing, building, and delivering specialist electrical and control systems for fuel storage, hazardous installations, an

• M Metametric Engineering Ltd Guildford · Design & build · 1-9 employees

  Metametric is an engineering design and modeling company specializing in customized solutions for various industries, using advanced technology and ex

• M Metcalfe's Seaham · Property developer · 1-9 employees

  Metcalfe's (NE) Ltd offers property maintenance, plumbing, heating, and electrical installation services across the North East. They also provide rene

• M Metcor Gravesend · Electrical · 10-49 employees

  Metcor Electrical provides essential electrical services for commercial and industrial facilities across the UK. Expert installation, maintenance, tes

• M MeterZ London · Electrical · 1-9 employees

  MeterZ provides high-fidelity energy data solutions, extracting and structuring data from buildings to enable effective energy management, carbon acco

• M Mezini Brothers Ltd London · Civil engineering · 1-9 employees

  Mezini Brothers Ltd: specialist HV civil works (11kV-132kV), reinforced concrete, transformer bunds and ducting for DNOs and Tier 1 contractors across

• M Mg Cavill & Co Services Ltd Andover · Main contractor · 1-9 employees

  MG Cavill offer a range of Building and Environmental Services, Solar PV and Battery storage, tailored to suit your needs.

• M MH Surveys Birmingham · Insulation · 1-9 employees

  MH Surveys provides expert assessments and tailored solutions for energy efficiency and carbon emission reduction in residential and commercial proper

• M MHK Electrical Burgh Heath · Electrical · 1-9 employees

  MHK Electrical Ltd is a trusted electrical contractor based in Surrey, providing comprehensive electrical installation and maintenance services across

• M Microgeneration Support Services Barrow-Upon-Humber · Heating & ventilation · 1-9 employees

  Microgeneration Support Services (MSS) provides MCS paperwork, surveying, design, and certification for Air Source Heat Pump installations, ensuring c

• M Microgeneration Technologies Ltd Retford · Solar PV · 1-9 employees

  Specialists in renewable energy and energy saving products including Solar panels, battery storage and LED lighting.

• M Micron Hydraulics Bradford · M&E contracting · 10-49 employees

  Micron Hydraulics are Hydraulic Pump & Motor Repair Specialists, providing unrivalled pump repairs and hydraulic system support throughout the UK.

• M Midas Structural Ltd Norwich · Steel fabrication · 1-9 employees

  Midas Structural is a steelwork and cladding contractor specialising in the design, manufacture and installation of steel frame structures and metal c

• M Middle East Nexus Ltd London · Property developer · 1-9 employees

  Iraq market intelligence and practical market-entry support for UK and international companies assessing opportunities in Iraq.

• M Midland Solar Tamworth · Solar PV · 1-9 employees

  MCS certified solar panel installers in the Midlands. Local, friendly engineers based in Tamworth. Expert residential and commercial solar installatio

• M MidlandsEVHub Leicester · EV charging · 1-9 employees

  MidlandsEVHub is a directory connecting drivers with NICEIC-registered, verified EV charger installers across the Midlands, updated for 2026 grant cha

• M MIDSOMER SOLARTECH LIMITED Radstock · Solar PV · 1-9 employees

  Midsomer Solartech specialises in energy saving solutions for businesses and homes across the U.K. Electrical, Refrigeration & solar PV systems for th

• M Midtherm Engineering Ltd Dudley · Heating & ventilation · 10-49 employees

  Commercial flue installations, masts & chimneys. Furanflex chimney lining. Also commercial kitchen canopies & natural ventilation systems.

• M Mighty Recruitment Ltd Hatfield · Security systems

  Connecting you with reliable, skilled staff across construction, security, and facilities management. Your partner in workforce excellence.

• M Mike Voyle Electrical & Solar Ammanford · Electrical · 1-9 employees

  Professional electrical and solar services for homes, businesses and developments across South Wales, rewires, EICRs, EV chargers and solar PV.

• M MIKO PRO LIMITED Manchester · Flooring

  Miko Pro is a UK-based recruitment consultancy specialising in permanent, contract, and executive search. They focus on building long-term partnership

• M Mikris Finishers Stonehouse · Painting & decorating · 10-49 employees

  Mikris Finishers are the South West's leading specialists in protective and marine coatings, blast cleaning, and powder coating. High-quality finishes

• M Millcroft Services P.L.C. Thames Ditton · Scaffolding · 50-249 employees

  Trusted experts in scaffolding and construction for Greater London and the South East. With a 40-year track record and an in-house team of over 150 pr

• M Miller Group Electrical Ltd Leicester · Electrical · 1-9 employees

  Miller Group Electrical Ltd offers comprehensive electrical, renewable energy, and construction services across commercial, industrial, and residentia

• M Miller Installations Ltd Wymondham · Heating & ventilation · 1-9 employees

  Miller Installations is a family-run business specialising in renewable energy solutions, including heat pumps, solar PV, and air conditioning, servin

• M Millers (Phes) Ltd. Strathpeffer · Plumbing · 1-9 employees

  Millers PHES is a family-run business providing plumbing, heating, and renewable energy solutions for domestic and business clients. They offer full c

• M Milletts Electrical West Malling · Electrical

  Milletts Electrical offers comprehensive electrical services for residential, commercial, and industrial clients, specializing in design and build pro

• M Millisun Ltd Industrial Es, Pontypridd · Bricklaying · 10-49 employees

  National Brickwork Contractors offering professionalism, excellence and efficiency. Established in 1999, Millisun has completed over 500 contracts acr

• M MiniGrid Dorchester · Solar PV

  Certified solar, battery & EV charger installers serving Dorset to West Wales. Cut bills by 70%. Free survey, no obligation. Call 0330 533 0235

• M MIRUS ENERGY LTD Gloucester · Electrical · 10-49 employees

  Leader in providing value-added Electrical services to our customers by creating a successful partnership throughout the design, installation, and com

• M Mist Fire Ltd Norwich · Fire protection · 1-9 employees

  Mist Fire specialises in the supply, installation, and maintenance of high-pressure water mist fire suppression systems and intelligent fire detection