- Large carbon emitters wishing to estimate and optimise the impact of the EU Emission Trading Scheme and the Kyoto Protocol on their operations
- Project owners wishing to generate an additional cash-flow from selling emission reductions realised by fuel switch, afforestation and reforestation projects
- Carbon credit buyers - international or national government agencies, industries, utilities, and private funds
- Manufacturers of GHG emission reduction technology that wish to include the emission reduction value of their products in bids
- Organisations carrying out research and capacity building in areas influenced by the Kyoto Protocol
