5. City Energy Network Limited (Cardiff)
Heating | Established in 2011
City Energy Network is an innovative energy efficiency consultancy whose developments continue to push the acceptable boundaries within its industry and beyond. It provides a one-stop energy shop to private sector landlords, social housing providers, local authorities and much more and its high performance as a trusted, innovative and sustainable delivery partner stems from an integral ethos and company culture focusing on ‘Getting It Right First Time’. The work delivered by City Energy Network over the year 2017/2018 alone resulted in local people achieving a combined saving on their energy bills of £15 million over the life span of the products installed and the firm is incredibly proud in helping communities stay warm and keep fuel costs low.
539.6% growth between 2015 and 2017