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Green Business Directory

Accredited Suppliers and installers of energy efficiency and renewable energy technology

Carbon Trust Accredited Suppliers have been independently assessed by the Carbon Trust and met or exceeded criteria designed to examine their capability and proven track record of delivering thoughtful, well-designed energy efficient and renewable energy systems. As part of the robust assessment process, the Carbon Trust takes into consideration case studies and feedback from client references regarding suppliers’ performance.  

We welcome customer feedback relating to any of our Accredited Suppliers, and encourage you to contact us via The Carbon Trust is committed to dealing with complaints in a fair and impartial manner, as detailed in our Complaints Policy (PDF)


Find suppliers for your project  |  Technologies & financing - information  |  Apply for the Accredited Supplier Scheme

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    Energy at Work Ltd

    Clients mostly contact us to save energy. But we find many buildings have lighting in poor condition and lacking ideal control, beam-type or positioning for the way the space is used. We often design new lighting-layouts, showing our client 3d simulations and estimating light-levels. We also design suitable controls. A common benefit is making staff or students more productive or a public space more inviting.

    PHONE: 08452 242 254 / 07594 336 618
    WEBSITE: Company Website

    ZG Lighting (UK) Ltd

    Thorn Lighting, part of the Zumtobel Group, are a leading and trusted supplier of professional innovative interior and exterior lighting and integrated controls. We make great lighting easy for you. We offer energy savings without compromising performance, efficiency and comfort. To achieve a lighting solution where aesthetics, optical performance, and energy consumption are all in perfect balance is at the core of what we do. Our lighting solutions can be found in many different applications including, sports halls, roads, tunnels, cityscapes, offices, education and industry.

    PHONE: +44(0)1388 420042
    WEBSITE: Company Website

    Ecopare Ltd

    Ecopare is a dynamic company that specialises in practical Energy Management solutions for industrial, academic and commercial organisations. Our core understanding of business processes, information technology and energy optimisation tools gives us the unique ability to assist in delivering energy efficiency projects. Ranging from installing LED lights to driving energy efficiency solutions.

    PHONE: 01483 688 170
    WEBSITE: Company Website

    CEMA Lighting Ltd

    CEMA Lighting is a designer, manufacturer and installer of LED and Induction lighting systems. We service a broad spectrum of industries, delivering bespoke lighting solutions to our customers.

    PHONE: 01673 840 000
    WEBSITE: Company website

    MPower UPS Ltd

    MPower UPS sell and maintain uninterruptible power supplies and associated equipment. They offer a complete project managed solution from design to installation and support this with comprehensive maintenance contracts. New installations of Inform UPS have a two year parts and labour warranty as standard.

    PHONE: +44(0)1420 82031
    WEBSITE: Company Website

    Lumenata Lighting Ltd

    We are a leading supplier of Energy Efficient LED lighting products with offices in the North of England and Wales. With over 10 years of experience we offer bespoke consultancy and design services along with a no-cost audit to demonstrate a true ROI with the energy savings that can be realised by upgrading to LED technologies. We cover residential, commercial, private and public sector.

    PHONE: 07824313622
    WEBSITE: Company website

    Empower Energy Limited

    For the last 14 years we have specialised in the design, installation and commissioning of Renewable Energy systems, LED lighting system design and installation, Electrical Inspection & Testing, Battery Storage and EV charge points, De-stratification systems and all Electrical contracting from domestic to Industrial including repair and maintenance.

    PHONE: 01202821000
    WEBSITE: Company website

    ICS Cool Energy Limited

    ICS Cool Energy is a specialist solutions provider who, sell, install, rent & service temperature control equipment for process & comfort applications. Established in 1989, ICS Cool Energy has over twenty-five years’ pan-European experience in the food & beverage processing, chemical & pharmaceutical, plastics & rubber, manufacturing & facilities management markets, having provided solutions to over 50,000 temperature control projects worldwide.

    PHONE: 02380 527 300
    WEBSITE: Company Website

    British Electric Lamps Ltd

    British Electric Lamps Ltd. was established in 1920 and has built a reputation within the industry for manufacturing quality products and providing excellent service to our customers. Offering a turnkey service, BELL provide lighting schemes all the way through to installation and commissioning of product through our database of approved contractors.

    PHONE: 01924 893380
    WEBSITE: Company webiste

    Dextra Group Plc

    A continual investment from the company's own resources in state of the art machinery comparable to any found in the UK or Europe along with an on-going investment in R&D enables the company to respond quickly to the ever changing requirements of the UK and European market place.

    PHONE: 01747 858120
    WEBSITE: Company webpage

    Carbon Trust Accredited Suppliers have met or exceeded criteria set by the Carbon Trust designed to examine their capability to deliver thoughtful, well-designed energy efficient and renewable energy systems. As part of the assessment process, the Carbon Trust takes into consideration feedback from client references regarding the suppliers’ performance. Whilst the Carbon Trust has endeavoured to confirm that all suppliers included in the Green Business Directory are of a proven high quality, users of the Green Business Directory enter into contracts directly with Accredited Suppliers to the exclusion of the Carbon Trust, and at their own risk. The Carbon Trust makes no representations regarding, nor does it accept any liability whatsoever in respect of, the performance of any services or the supply of any goods by Accredited Suppliers. Case studies have been written and supplied by Accredited Suppliers. Details should be independently reviewed by prospective customers

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