There are many reasons why strategic plans fail, especially:
- Failure to understand the customer 
 - Why do they buy 
 - Is there a real need for the product 
 - inadequate or incorrect marketing research 
 - Inability to predict environmental reaction 
 - What will competitors do 
 - Fighting brands 
 - Price wars 
 - Will government intervene 
 - Over-estimation of resource competence 
 - Can the staff, equipment, and processes handle the new strategy 
 - Failure to develop new employee and management skills 
 - Failure to coordinate 
 - Reporting and control relationships not adequate 
 - Organizational structure not flexible enough 
 - Failure to obtain senior management commitment 
 - Failure to get management involved right from the start 
 - Failure to obtain sufficient company resources to accomplish task 
 - Failure to obtain employee commitment 
 - New strategy not well explained to employees 
 - No incentives given to workers to embrace the new strategy 
 - Under-estimation of time requirements 
 - No critical path analysis done 
 - Failure to follow the plan 
 - No follow through after initial planning 
 - No tracking of progress against plan 
 - No consequences for above 
 - Failure to manage change 
 - Inadequate understanding of the internal resistance to change 
 - Lack of vision on the relationships between processes, technology and organization 
 - Poor communications 
 - Insufficient information sharing among stakeholders 
 - Exclusion of stakeholders and delegates