Energy construction companies

4493 UK companies working in the energy sector.

• A Ashwell Construction Ltd Bury St. Edmunds · Groundworks · 50-249 employees

  Ashwell Construction Ltd is a trusted groundwork and civil engineering contractor based in Suffolk, serving East Anglia and nationwide for utilities.

• A Ashwood Solar Portsmouth · Solar PV · 1-9 employees

  Ashwood Solar & Renewable Energy is your one-stop firm for professional and friendly solar and renewable energy solutions across the UK. We help domes

• A ASI Renewables Ltd Glasgow · Solar PV

  ASI Renewables Ltd offers smart energy solutions including solar, battery storage, heat pumps, and insulation for homes and businesses, aiming for las

• A Askam Civil Engineering Ltd Lancaster · Civil engineering · 10-49 employees

  Askam Civil Engineering is a family-run company with forward-looking ambitions, offering a variety of civil engineering services for private and publi

• A Askay Global Ltd London · Civil engineering

  Askay Global provides project management, engineering, procurement and construction services globally in the Oil & Gas, Power, Infrastructure & Archit

• A ASL Commercial Roofing Ltd Leeds · Roofing · 1-9 employees

  ASL Commercial Roofing Ltd offers expert commercial property roofing solutions, specialising in asbestos encapsulation, metal roof repairs, cladding,

• A Aslan Technology Ltd London · Security systems

  Aslan Technology Ltd designs secure, energy-efficient smart properties and supports OT/ICS cybersecurity projects aligned with IEC 62443 and NIS2.

• A Aspect Group Services Norwich · Roofing · 10-49 employees

  Aspect Group offers expert roofing, scaffolding, property maintenance, and renewable energy solutions in Norfolk. Quality service since 1972.

• A Aspire Eco Energy Ltd Chesterfield · Solar PV

  Experts in solar PV, battery storage, and heat pump solutions for commercial and domestic applications. Consultation, design, and installation service

• A Aspire Electrical Ltd Torquay · Electrical · 10-49 employees

  Aspire Electrical is a choice for electrical design, installation and aftercare within the Retail, Commercial and Industrial sectors. Established in 2

• A Aspirefox Ltd Edinburgh · Electrical

  Aspire Fox Ltd builds AegisOps Offshore, a planning tool for offshore wind operations and maintenance. Founded by industry professionals to solve real

• A Association of Subcontractors Leeds · Property developer · 1-9 employees

  The Association of Subcontractors (AoS) is a non-profit organisation supporting UK construction subcontractors, sole traders, and small businesses. It

• A Astbury Wright Energy Ltd London · Plumbing

  Astbury-Wright Energy Ltd offers expert plumbing and sustainable energy solutions, including EPCs and Air Source Heat Pump services, for homeowners.

• A Astral Control Services Ltd North Shields · Heating & ventilation · 10-49 employees

  Astral Control Services specialises in the design, installation and maintenance of HVAC control solutions, enabling automatic control of building serv

• A Astral Energy Homes Ltd Ilford · Heating & ventilation · 1-9 employees

  Astral Energy Homes provides free, government-funded home energy efficiency upgrades across the UK through the ECO4 Scheme, helping eligible household

• A Astralis Solar Middlewich · Solar PV · 1-9 employees

  Leading solar engineering company providing innovative and efficient solar solutions for domestic, commercial, agricultural, and industrial applicatio

• A ASTRO Renewables Ltd London · Solar PV · 1-9 employees

  Commercial and industrial solar EPC provider, delivering expertly designed, engineered, and executed renewable energy solutions tailored to meet your

• A Atelier Mona London · Main contractor · 1-9 employees

  Atelier Mona is a digital product design studio blending user empathy, strategic thinking, and AI to craft intuitive, transformative digital experienc

• A Athena Solar & Electrical Solutions Ltd Dover · Solar PV

  Athena Solar & Electrical Solutions Ltd, Dover's MCS-certified solar panel company, offers bespoke solar, battery, and EV systems with warranties.

• A Atlantic Projects Company (UK) Ltd Derby · Main contractor · 10-49 employees

  Bespoke engineering, construction and maintenance services for electricity generation through renewable and thermal technologies. 50 years experience.

• A Atlantic Renewables Ltd Stockport · Solar PV · 10-49 employees

  Atlantic Renewables is a leading solar PV design and installation company, offering affordable, high-quality solutions across Manchester, Cheshire, an

• A Atlantix Construction Ltd Manchester · Civil engineering · 1-9 employees

  Atlantix Construction are an experienced civil engineering and building contractor with particular focus on utility substation works, local authority

• A Atlas FM Datchet · M&E contracting · 250+ employees

  Atlas FM is Britain's best facilities management business, blending professionalism and personality to create happy workplaces. Over 4,000 clients tru

• A Atlas Marine International Ltd London · Marine & water engineering · 1-9 employees

  Atlas Marine offers specialist marine asset advisory services, focusing on evidence-led decisions for acquisition, sale, and project planning.

• A Atlas Utilities Ltd Stockport · Utilities · 10-49 employees

  Atlas Utilities are a Manchester based company offering a full range of high voltage and low voltage services and solutions.

• A ATS Climate Bromsgrove · Heating & ventilation · 10-49 employees

  ATS Climate provides bespoke mechanical and electrical engineering solutions, specialising in HVAC, climate control, ventilation, and odour control fo

• A AU PROFIX LTD Salford · Drylining

  At Au ProFix, we operate at the intersection of construction, accounting, and business structuring, delivering not just execution, but full control ov

• A Aura Retrofit Waterlooville · Heating & ventilation · 10-49 employees

  Aura Retrofit provides award-winning home heating and energy solutions, including boilers, ASHPs, Solar PV, and insulation. Access government funding

• A Aureos Highways Ltd London · Civil engineering · 50-249 employees

  Aureos delivers integrated, turn-key infrastructure solutions for a sustainable and secure future across the UK's energy and transport sectors.

• A Aurora London · Utilities · 10-49 employees

  Aurora is an Independent Distribution Network Operator (IDNO) regulated by Ofgem, owning and operating electricity distribution networks across Great

• A Austen's Energy Hatton Of Fintray · Solar PV

  Specialising in the design, supply, and installation of solar and battery power solutions for homes, businesses, and outbuildings across Aberdeenshire

• A Austwel Ltd Milford Haven · Civil engineering · 50-249 employees

  Austwel Ltd is a civil engineering contractor based in Milford Haven, Pembrokeshire, operating across the UK, specialising in Oil, Gas, and Renewable

• A Auto Extract Systems Leigh · M&E contracting · 10-49 employees

  Auto Extract Systems is the UK's leading LEV company, providing fume and dust extraction systems for cleaner workplaces. Offering free assessments, de

• A Automated Building & Energy Controls (Group) Ltd. Tewkesbury · M&E contracting

  ABEC installs, maintains, and optimises BMS and EPMS systems for new builds, refurbishments, and upgrades. Specialists in energy management and smart

• A AVANI GAS HEATING AND PLUMBING LTD Norwich · Plumbing

  Trusted plumbing and heating engineers in Norwich. AVANI Gas Heating and Plumbing Ltd offers reliable repairs, installations and system servicing.

• A AVERT FIRE (UK) LIMITED Scunthorpe · Fire protection · 10-49 employees

  Avert Fire (UK) Ltd specialises in comprehensive active and passive fire protection services, including design, installation, maintenance, and commiss

• A Avidety Ltd London · Utilities · 1-9 employees

  Avidety maintains electricity infrastructure for UK Distribution Network Operators, specialising in overhead and underground network refurbishment and

• A Avon Renewables Christchurch · Solar PV

  Solar PV and battery installer on the Dorset-Hampshire border, blending local electrical expertise with a commitment to harnessing solar power.

• A Avoque Ltd London · Security systems

  Reliable aerial photography, commercial drone services, and professional equipment rental in London. Creative, experienced, and communicative solution

• A Avspire Ltd Berkshire · Electrical · 1-9 employees

  Audio Visual Programmers providing inspiring solutions for the AV industry. Specialists in Crestron, Q-SYS, Smaart, Extron, Dante, BiAmp, Shure.

• A AVTEL Northampton · Security systems · 10-49 employees

  AVTEL, a SECOM company, provides global security solutions including physical surveillance and access control systems. Experts in design, installation

• A AWC Tech Cobham · Marine & water engineering

  AWC Tech Ltd specialises in developing renewable energy solutions for deep marine/offshore environments, leveraging decades of experience in offshore

• A Awel Y MôR Offshore Wind Farm Ltd Swindon · Solar PV · 50-249 employees

  Awel y Môr Offshore Wind Farm, developed by RWE, is located 10.5km off the Welsh coast. It will generate power for over half of Wales' homes.

• A Awen Futures Ltd Cardiff · Electrical

  Awen Futures focuses on ERP consulting, AI compute, and sustainability, aiming to integrate natural intelligence into business systems and build a sus

• A Axgate Construction Ltd London · Main contractor · 1-9 employees

  AXGATE CONSTRUCTION is a London-based construction and engineering company specialising in residential, commercial and public-sector projects. We deli

• A Axis Electric Group Ltd Blantyre · Electrical · 1-9 employees

  NAPIT & TrustMark approved electrical contractor with 20+ years' experience. Testing, installation, EV charging & more across Central Scotland. 5-star

• A Axis Electrical D & R Ltd Ipswich · Electrical · 1-9 employees

  Axis Electrical provides comprehensive electrical services across East Anglia and London, specializing in domestic, commercial, industrial, solar PV,

• A Axycad Ltd Brackley · Concrete works · 1-9 employees

  AXYCAD delivers reinforced concrete packages and civil engineering works across major UK infrastructure, foundations, substructure, bridges, retaining

• A Ayp Electrical Ltd Barton Le Clay · EV charging · 1-9 employees

  AYP Electrical installs EV chargers, solar PV and home electrics across Bedfordshire and the South East. NICEIC certified, no subcontracting.

• A Ayrton Lawrence Ltd Harpenden · Heating & ventilation

  Providing comprehensive mechanical engineering services that address the most challenging infrastructure and design requirements across residential, c