GHD is one of the world’s leading professional services companies operating in the global markets of water, energy and resources, environment, property and buildings, and transportation.

We are an accredited ANSI and UNFCCC CDM Validation /Verification Body as well as an accredited California Air Resources Board (ARB) Offset and Mandatory Reporting Verification Body. Our people deliver comprehensive climate risk, energy, and greenhouse gas management services to enable efficient and sustainable business practices.