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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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    Raven Electrical Contractors Ltd

    We are experienced LED lighting specialists who have worked for both SME’s and bluechip companies throughout the UK. We offer a full turnkey solution consisting of Survey, Energy Analysis , Design, Supply, Installation and Audit, we also now include free real time monitoring for proof of your return on investment.

    PHONE: 0115 9224163
    WEBSITE: Company website


    Luceco is a global lighting manufacturer supplying innovative, high efficiency, energy saving LED luminaires to the specification and retail markets. Luceco can advise on all aspects of a lighting project from concept and design through to install and aftercare, offering technical support and dedicated customer service.

    PHONE: 01952 238100
    WEBSITE: Company website

    UK Energy Watch Group Ltd

    UK Energy Watch Group Ltd - design, supply and install intelligent LED lighting solutions to the commercial and public sector. We offer a comprehensive service covering site audits, premium products with a 5-year warranty and a range of energy efficiency finance solutions tailored to the individual needs of our customers.

    PHONE: 0333 241 3424
    WEBSITE: Company website

    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

    CorEnergy Limited

    CorEnergy specialises in the design, supply, installation and financing of fully compliant energy-efficient lighting solutions. As an independent specialist, our experienced team balances design consultancy with turn-key project delivery and lifetime aftercare support. With a range of flexible capital and finance options, your organisation will benefit immediately from accelerated energy and cost savings whilst substantially reducing its environmental impact.

    PHONE: 0161 694 9949
    WEBSITE: Company website

    Vickers Electronics Limited

    Vickers design, manufacture and install energy management systems (EMS) to centrally control heating working alongside your existing radiant tube heaters and warm air heaters. The system uses self-learning predictive programming coupled with high accuracy temperature sensing to deliver dramatic energy consumption reductions whilst ensuring correct temperatures are achieved. Average savings are a 43% reduction in consumption so we deliver large cash savings and reduce carbon emissions so help businesses meet their environmental targets.

    PHONE: 0870 742 0808
    WEBSITE: Company Website

    Ecotronic Projects Ltd

    Midlands based OEM, specialising in energy efficient lighting, manufactured with a Philips warranted “futureproof” LED system. Ecotronic have a proven track record within the manufacturing, warehouse & distribution sector. Offering turnkey solutions to our clients, including consultation, lighting design, payback analysis & full installation project management.

    PHONE: 0845 170 4567
    WEBSITE: Company website

    Constellation Lighting Ltd (trading as ILUX)

    We help companies improve their lighting by switching to LED whilst significantly reducing the running costs and carbon emissions of the business. As a distributor for one of the largest LED lighting manufacturers in the world we can offer 10 year warranties on the products offered.

    PHONE: 0114 247 9900
    WEBSITE: Company webpage

    icLighting Ltd

    icLighting Ltd supplies professional LED lighting & energy saving products & services. Our flexibility is our strength enabling us to supply what you need, not what we make. Our services include: full site surveys, lighting design, LED lighting consultancy, payback & carbon calculations, supply & installation of luminaires / control systems, comparative quotations, finance & funding alternatives, industry leading guarantees and after sales support.

    PHONE: 01780435002
    WEBSITE: Company website

    Skyline Solar Ltd

    Skyline Solar will design, engineer, supply, construct and commission, a bespoke rooftop solar system connected to your building’s distribution. We are part of Skyline Roofing Group, one of the leading suppliers of roofing and building materials in London and the South East. In the UK our number of happy clients continues to grow.

    PHONE: 0208 571 8226
    WEBSITE: Company Website

    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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