SECR

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

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

BSW Timber

All involved were professional and clearly focused on working effectively to deliver a report which has provided genuine, value-added opportunities, helping empower our business to improve its energy performance. ... Read More

JMK Group

I did some shopping around before choosing CLS Energy and, having been through the process I’m now certain that they’re the best ESOS Lead Assessors out there. ... Read More