Case Studies

Read what our customers have shared about Efficient Energy.

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Featured Case Studies

From the first call, Corey was clear, responsive, and genuinely helpful. He explained everything and handled the whole process end to end. It felt like a real partnership from start to finish. 

Operations Manager, Manufacturing Company

Professional, knowledgeable, and efficient. Not only did Annette secure us a better deal on our energy, but she also took the time to understand how our business actually uses energy. Great results and great service.

Managing Director, Logistics Firm

Brad provided straightforward, honest advice and set clear expectations from the beginning. There was no jargon and no pressure—just sensible recommendations backed up by data. The service was smooth, and the savings delivered were exactly what we were hoping for.

Owner, Multi-Site Hospitality Business

We use Efficient Energy for our Gas and Electric solutions and have done so now for some years. Our account is looked after by Jamie Smith and he has made us excellent deals for both Gas and Electric. I am delighted with the service I receive and that I know I can call any time and Jamie will always help with anything I need, explaining all matters in a clear and concise manner. . Highly recommended.

Facilities Manager, Professional Services Company

Craig did a great job negotiating on our behalf and clearly understood the challenges of managing energy across multiple sites. Thanks to his market insight and persistence, he secured a new contract that reduced our annual energy costs by just over £18,000. The savings were immediate, measurable, and made a real difference to our operating margins. The whole process was handled professionally from start to finish.

Finance Director, SME Retail Business

I can’t recommend Efficient Energy, and in particular Corey Baker highly enough.

In the Education Sector, there is never enough time to complete all tasks thoroughly, and Corey guided the school seamlessly through the process of organising a raft of credit notes for Gas and Electricity supply as a result of removing the charge for the Climate Change Levy, as a result we saved nearly £15,000 – which is the cost of a teaching assistant.

School Business Manager

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