The Yorkshire & Humber Sustainable (Number One) Company Limited | 4th March 2005 to 9th March 2005 |
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The Yorkshire And Humber Sustainable Futures Company Limited | 9th March 2005 to 17th October 2009 |
Co2Sense Limited | 17th October 2009 to 15th February 2012 |
Co2Sense C.I.C. | 15th February 2012 to current |