4513 UK companies working in the energy sector.
Pontypool's local solar panel installers. Domestic & commercial solar, battery storage, air source heat pumps, insulation, ventilation across South Wa
BSB Maintenance Services Limited specialises in precision Mechanical Balancing for rotating components, ensuring optimal performance and longevity. We
BSE|Controls specialises in Building Energy Management Systems (BEMS) for commercial and industrial spaces, optimising energy usage, comfort, and cost
BSG Civil Engineering provides trusted engineering solutions across the UK and Ireland, with specialist expertise in water and wastewater treatment, d
BSM Energy offers comprehensive retrofit solutions for UK homes, including assessments, coordination, and installation to improve energy efficiency an
Buccleuch is a diverse enterprise focused on maintaining and enhancing its unique portfolio of heritage assets and the environment for generations to
Kent-based contracting business delivering land management, agricultural, utility, civils, landscaping, forestry, and haulage services across South Ea
Bud's Offshore Energy (BOE) is a blog focused on energy policy, offshore safety, pollution prevention, and regulatory philosophy, featuring interviews
Buffalo Energy is a renewable power developer specialising in reliable power solutions across sub-Saharan Africa, from off-grid rural electrification
Specialists in Building Energy Management and HVAC Control System Integrated Solutions, offering end-to-end turn-key project knowledge in critical inf
Chartered Building Engineers and Registered Building Control Approvers (RBCA) offering competitive, unified project compliance with Building Regulatio
Award-winning sustainability consulting, testing and retrofit company. Based in Bristol but operating nationwide, we provide services for housebuilder
Building Energy Practice provides compliance certificates and carbon reduction guidance for UK buildings, helping clients meet energy efficiency legis
BMSI is a leading systems integrator for Building Management Systems (BMS), helping buildings reduce energy consumption, save costs, and meet sustaina
Built Green Design and Build New Homes and Extensions Encompassing Green Living, Sustainable Construction, Eco Friendly Methods and Policies.
Bullgate Engineering Services Ltd is a leading provider of specialised design and operational solutions for asset and project managers in electricity
Bumblebee Energy Scotland Ltd provides renewable energy solutions including Solar PV with Battery Storage, Air Source and Ground Source Heat Pumps.
Bunkerspaces offers innovative bunkers, shelters, and emergency preparedness products, including portable power solutions, emergency food, and surviva
Friendly, reliable, fully qualified electricians covering Worthing, Sussex, Surrey & Kent. Specialising in domestic & commercial projects, Solar Panel
Bussley Controls is a well-established independent control systems integrator, specialising in the design & installation of building management system
Busy Energy: Renewable energy specialists in Yorkshire, Leeds & beyond. We design, install & service heat pumps, solar PV & air conditioning. MCS-cert
Butler Groundworks Ltd is an experienced Shropshire-based company specialising in groundworks and civil engineering projects nationwide. Services incl
Butler West Electrical Services provides high-quality electrical solutions for homes and businesses across the South East. Specialising in energy-effi
Byard Electrical & Renewables are trusted electricians in Gloucestershire, specialising in general electrical services, solar panel & battery storage,
Byggwik (U.K.) Ltd: 35+ years of transforming groundbreaking ideas into reality. Specialising in tank construction and jacking systems globally.
Byrne Bros. delivers complex sub and superstructures for the UK's most ambitious projects, with precision, safety, and proven expertise.
Bywaters is London's leading sustainable waste management company, providing zero waste to landfill solutions across the UK for businesses.
Established 2006, C Gascoigne Ltd specialises in Solar PV Systems Testing & Inspecting, Repairs & Maintenance, and Installation for residential, comme
C Jones Electrical Services is an Experienced Electrician in Shropshire. Quality electrical works from small repair to full installation.
CM Ward Ltd offers electrical, plumbing, heating, and renewable energy solutions. Experts in boiler upgrades, heat pumps, solar PV, and EV chargers fo
CT Electrical are accredited and experienced electricians in Eastbourne. We provide domestic and commercial electrical services to customers across Su
Electricians in Evesham, Worcestershire, specialising in EV charger and domestic electrical services. Fully qualified and accredited.
Specialist Electrical, Control and Instrumentation (EC&I) services for hazardous and non-hazardous areas. Design, construction, maintenance, complianc
C Parkinson (Bury) Ltd is a family-run plumbing, heating, and gas contractor established in 1971. Specialising in new builds and renewables, they serv
Professional Concrete Structure Specialist in Scotland. C A McPherson Ltd provides top-quality concrete construction services for civil engineering pr
CIW Electrical Services LTD provides expert electrical services nationwide, specialising in design, installation, commissioning, and maintenance acros
C.P. Installations (Southern) Limited, established 1968, specialises in pipework and fuel systems for the petroleum industry, including national contr
CT Construction is a leading Industrial and Civil Engineering construction company in the North West, formed in 1992. We ensure quality first time, ev
C&H Electrical Solutions provides expert electrical, solar, and EV installations in Leeds. We offer safe, reliable, and high-quality services for home
TrustMark-certified solar PV, battery storage, heat pump, boiler and insulation installers in South Wales & South West England. Flexible finance avail
C2X accelerates the journey to a fossil-free future through large-scale green methanol production for multiple industries, using biogenic carbon as a
CA Group is a leading specialist in commercial building envelopes, offering design, manufacturing, and installation of metal roofing, cladding, and fa
UK specialists in cabling relocation, civil engineering & diversionary works. Over 15 years experience delivering safe, cost-effective utility solutio
Cable Connections Ltd is a commercial and industrial electrical contractor and independent connections provider (ICP) based in the South of England, o
High quality EV charging cables and accessories supplier across the UK. Buy Type 1, 2 EV charging cables online from CableForMyCar. Electric vehicle c
Specialist electrical contracting and civil engineering company established since 1980, offering cable jointing, laying, fault location, and testing s
CAD Electrical Solutions Ltd offers expert electrical services for domestic, commercial, and industrial clients in Birmingham. Specializing in quality
Expert scaffolding solutions in Leeds and across Yorkshire by CAD Scaffolding Ltd. Providing safe, reliable, and compliant domestic and commercial sca
Cadeler is a global leader in offshore wind farm construction, maintenance, and decommissioning, operating the world's largest fleet of heavy-lift jac
Cadent is the UK's largest gas distribution network, managing over 82,000 miles of pipes to supply gas to 11 million homes and businesses across Engla
Planyard connects cost estimating, budgets and committed costs in one live system, and handles your CIS and VAT calculations automatically.