PNI Consultancy hosts the secretariat of RECS International. Apart from this PNI Consultancy BV is active in the field of certificate trading for electricity, gas and biofuels. Recent projects are: Review of criteria Dutch label for renewable energy (Stichting Milieukeur), explaining certificate trading in Europe for theTurkish government on behalf of the Dutch energy agency, advising the Dutch energy agency on criteira for sustainable procurement electricity and gas.