In today's world with companies operating in a global business environment. Most enterprises, and especially the SMEs, lack the necessary business culture, technical and non-technical infrastructure and economic flexibility in order to efficiently adjust to the environment of a B2B integration framework. This paper proposes an Enterprise Integration Assessment Framework (EIAF) and its support software system that aims to aid enterprises in adopting a multienterprise (B2B) integration approach by evaluating its situational status and by estimating the expected integration impact based on the evaluation results.