Domenico Gelonese
CEO of Embertec
"Sigma Global's expertise in global energy efficiency and carbon markets has been vital in identifying new areas of opportunity for our company. Their quick grasp of our activities and products combined with their thoroughness and practical approach has been effectively used to hone and refine our market entry strategies"

Terry Kallis 
Managing Director of Petratherm
"Sigma Global's work provides valuable insight into the global carbon and renewable energy markets and the ways in which our company's clean energy technology can contribute to and benefit from them. Their professional approach and clear analysis has also assisted our expansion plans into new markets. In the increasingly carbon constrained regulatory environment, we find Sigma Global's expertise to be invaluable"