Extracting business process decomposition: A practical approach using the ISIran V methodology

Purpose – This paper seeks to offer a step‐by‐step methodology to extract and model business processes with a focus on business process decomposition. The main motivation is the lack of repeatable measurable methods and techniques for extracting business process decomposition.Design/methodology/approach – A step‐by‐step methodology for extracting business process models is provided. This methodology is called “the V methodology” because of its approach to break down the enterprise through a functional hierarchy and then collecting it up again via its process decomposition. Porter's value chain model is noticed as a powerful tool to complete the roadmap. The paper is designed using sections: benefits and necessities of having such a methodology, terminology, the V methodology, learned lessons and further work.Findings – Success stories using the V methodology expressing its impact on quality business process models are mentioned. Experts find it useful to gain unified process models as well as helping them...