Toyota Tsusho UK
"...deep admiration and gratitude for the outstanding work done by CLS Energy in aiding our company's journey towards environmental sustainability..." ... Read More
Chartered Fleet Manager
Cancer Research UK
Both ECA and Alan have been very helpful in making sure we are not only compliant but providing advise to continue to reduce our energy consumption. ... Read More
Edward Vinson Farms
They guided us through the process in a timely and professional manner. ... Read More
Viking Cruises
CLS Energy carried out our ESOS assessment efficiently and without disruption. ... Read More
Thomas Armstrong
From the outset, Alan consulted with us to ensure that the information and supporting documentation required was produced on time and helped to ensure that we achieved our certification well in advance of the deadline. ... Read More