This study provides National Ozone Units (NOUs) and owners/operators of SMEs with an overview of approaches adopted in different countries and in different sectors (refrigeration and air conditioning, solvents, foams, aerosols) to address the phase-out of ODS in SMEs. It also provides an assessment of which approaches have been most effective in each of the sectors to further support SMEs compliance with the Montreal Protocol and offers possible options that could be considered by NOUs to assist SMEs in their countries.