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About Big Green Switch

Big Green Switch is a trading style of Perfect Sense Energy. We have been trading since 2010 and work nationwide from our base in Manchester. We work on all manner of sustainable energy projects, with our primary focus being business cost reduction.

Our tried and tested process establishes clear project objectives from the outset with transparent pricing and return on investment calculations, before delivering on those objectives using a phased approach.

Key Personnel


Managing Director

Perfect Sense was formed in 2010 to translate my passion for energy cost saving services and technologies into increased profits for the individuals and businesses I choose to work with. To date our energy supply comparison service and installations of low and renewable energy technologies have saved hundreds of thousands of pounds per annum on energy costs on an ongoing basis for our clients as well as thousands of tonnes of CO2.


Business Manager

Having worked in many areas of business management I feel that in my role within the renewable energy market to be the most rewarding. Not only can we help achieve some excellent cost savings, we also provide market leading technology and ultimately this all has a positive impact on people, profit and our planet.

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