Purpose – The purpose of this study is to test the relationship between firms’ experience of SME-friendly policy and their participation and success in public procurement. Methodology – Hypothesised relationships between SME-friendly policy and three outcome variables - frequency of tendering, success rate in public contract competitions, and commercial orientation towards the public sector - are tested using survey data from 2755 SME respondents. Findings – SME-friendly policy is found to be significant in explaining success rates and commercial orientation towards the public sector marketplace. It is not significant in explaining frequency of tendering. Originality – This study puts forward and tests an original model of SME-fr...