IS technical knowledge and skills capability: This capability is the ability of organizations to ensure that IS employees have and deploy IS knowledge [20] and are familiar enough with business knowledge. Moreover this capability also considers the sufficiency of IS knowledge of business employees. The SISP researchers have shown the significance of IS experience and expertise of staff and educated and competent team members [9], [7], [6], [3]. Accordingly, one of the important issues in SISP is related to the quality, education, and the skills of firm’s members. Hence, the next hypothesis is proposed: H3a, b: “IS internal relationships capability” has a strong positive relationship with (a) SISP objectives fulfilment and (b) SISP planning improvement