Business process modelling languages facilitate presentation, communication and analysis of business processes with different stakeholders. This paper proposes an approach that drives specification and measurement of quality requirements and in doing so relies on business process models as representations of business processes. The approach is presented in the form of a conceptual model and its application is demonstrated for a simplified version of a business process. However, communication becomes a challenge in crossorganizational business processes where multiple business process modelling languages are being practiced which calls for an abstraction as an integration of concepts of these business process modelling languages. In this paper, a business process integrating meta-model is presented as an abstraction of concepts of seven mainstream business process modelling languages. Attaining such level of understanding and specifying business processes fosters specification and measurement of quality requirements.