4513 UK companies working in the energy sector.
AshtonAbraham deliver clean energy and are building a more resilient, competitive, and prosperous future for generations to come.
Ashware Electrical Ltd provides domestic and commercial electrical work, solar panels, battery storage and EV charging across Cannock.
Ashwell Construction Ltd is a trusted groundwork and civil engineering contractor based in Suffolk, serving East Anglia and nationwide for utilities.
Ashwood Solar & Renewable Energy is your one-stop firm for professional and friendly solar and renewable energy solutions across the UK. We help domes
ASI Renewables Ltd offers smart energy solutions including solar, battery storage, heat pumps, and insulation for homes and businesses, aiming for las
Askam Civil Engineering is a family-run company with forward-looking ambitions, offering a variety of civil engineering services for private and publi
Askay Global provides project management, engineering, procurement and construction services globally in the Oil & Gas, Power, Infrastructure & Archit
ASL Commercial Roofing Ltd offers expert commercial property roofing solutions, specialising in asbestos encapsulation, metal roof repairs, cladding,
Aslan Technology Ltd designs secure, energy-efficient smart properties and supports OT/ICS cybersecurity projects aligned with IEC 62443 and NIS2.
Aspect Group offers expert roofing, scaffolding, property maintenance, and renewable energy solutions in Norfolk. Quality service since 1972.
Experts in solar PV, battery storage, and heat pump solutions for commercial and domestic applications. Consultation, design, and installation service
Aspire Electrical is a choice for electrical design, installation and aftercare within the Retail, Commercial and Industrial sectors. Established in 2
Aspire Fox Ltd builds AegisOps Offshore, a planning tool for offshore wind operations and maintenance. Founded by industry professionals to solve real
The Association of Subcontractors (AoS) is a non-profit organisation supporting UK construction subcontractors, sole traders, and small businesses. It
Astbury-Wright Energy Ltd offers expert plumbing and sustainable energy solutions, including EPCs and Air Source Heat Pump services, for homeowners.
Astral Control Services specialises in the design, installation and maintenance of HVAC control solutions, enabling automatic control of building serv
Astral Energy Homes provides free, government-funded home energy efficiency upgrades across the UK through the ECO4 Scheme, helping eligible household
Leading solar engineering company providing innovative and efficient solar solutions for domestic, commercial, agricultural, and industrial applicatio
Commercial and industrial solar EPC provider, delivering expertly designed, engineered, and executed renewable energy solutions tailored to meet your
Atelier Mona is a digital product design studio blending user empathy, strategic thinking, and AI to craft intuitive, transformative digital experienc
Athena Solar & Electrical Solutions Ltd, Dover's MCS-certified solar panel company, offers bespoke solar, battery, and EV systems with warranties.
Bespoke engineering, construction and maintenance services for electricity generation through renewable and thermal technologies. 50 years experience.
Atlantic Renewables is a leading solar PV design and installation company, offering affordable, high-quality solutions across Manchester, Cheshire, an
Atlantix Construction are an experienced civil engineering and building contractor with particular focus on utility substation works, local authority
Atlas FM is Britain's best facilities management business, blending professionalism and personality to create happy workplaces. Over 4,000 clients tru
Atlas Marine offers specialist marine asset advisory services, focusing on evidence-led decisions for acquisition, sale, and project planning.
Atlas Utilities are a Manchester based company offering a full range of high voltage and low voltage services and solutions.
ATS Climate provides bespoke mechanical and electrical engineering solutions, specialising in HVAC, climate control, ventilation, and odour control fo
At Au ProFix, we operate at the intersection of construction, accounting, and business structuring, delivering not just execution, but full control ov
Aura Retrofit provides award-winning home heating and energy solutions, including boilers, ASHPs, Solar PV, and insulation. Access government funding
Aureos delivers integrated, turn-key infrastructure solutions for a sustainable and secure future across the UK's energy and transport sectors.
Aurora is an Independent Distribution Network Operator (IDNO) regulated by Ofgem, owning and operating electricity distribution networks across Great
Specialising in the design, supply, and installation of solar and battery power solutions for homes, businesses, and outbuildings across Aberdeenshire
Austwel Ltd is a civil engineering contractor based in Milford Haven, Pembrokeshire, operating across the UK, specialising in Oil, Gas, and Renewable
Auto Extract Systems is the UK's leading LEV company, providing fume and dust extraction systems for cleaner workplaces. Offering free assessments, de
ABEC installs, maintains, and optimises BMS and EPMS systems for new builds, refurbishments, and upgrades. Specialists in energy management and smart
Trusted plumbing and heating engineers in Norwich. AVANI Gas Heating and Plumbing Ltd offers reliable repairs, installations and system servicing.
Avert Fire (UK) Ltd specialises in comprehensive active and passive fire protection services, including design, installation, maintenance, and commiss
Avidety maintains electricity infrastructure for UK Distribution Network Operators, specialising in overhead and underground network refurbishment and
Solar PV and battery installer on the Dorset-Hampshire border, blending local electrical expertise with a commitment to harnessing solar power.
Reliable aerial photography, commercial drone services, and professional equipment rental in London. Creative, experienced, and communicative solution
Audio Visual Programmers providing inspiring solutions for the AV industry. Specialists in Crestron, Q-SYS, Smaart, Extron, Dante, BiAmp, Shure.
AVTEL, a SECOM company, provides global security solutions including physical surveillance and access control systems. Experts in design, installation
AWC Tech Ltd specialises in developing renewable energy solutions for deep marine/offshore environments, leveraging decades of experience in offshore
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.
Awen Futures focuses on ERP consulting, AI compute, and sustainability, aiming to integrate natural intelligence into business systems and build a sus
AXGATE CONSTRUCTION is a London-based construction and engineering company specialising in residential, commercial and public-sector projects. We deli
NAPIT & TrustMark approved electrical contractor with 20+ years' experience. Testing, installation, EV charging & more across Central Scotland. 5-star
Axis Electrical provides comprehensive electrical services across East Anglia and London, specializing in domestic, commercial, industrial, solar PV,
AXYCAD delivers reinforced concrete packages and civil engineering works across major UK infrastructure, foundations, substructure, bridges, retaining
Planyard connects cost estimating, budgets and committed costs in one live system, and handles your CIS and VAT calculations automatically.