Implementation of information technology systems is one of the biggest risks for a merged entity, and may have substantial negative impact on all stakeholders if all does not go well. 4.10  Merging of different cultures  The question of different cultures is prevalent in any merger. A “hostile” merger could increase the difficulty of merging the cultures, especially at senior level.
Perhaps the biggest mistake is to ignore the impact of a merger on employees. Too often, employees spend more time worrying about their futures than they do serving customers. Many simply leave, taking their knowledge and experience with them.