This lucubration is a case study which deals with the telecommunications company Relacoms transition from one business system to another. Through interviews and surveys among staff and management we have been able to document and analyze the planning and processes used by Relacom using theories drawn from various academic writings in the field. Our study ends with a conclusion where our results are presented plus a recommendation to Relacom considering the continuation of the transition process. Our result shows that the management did well during Relacom´s transition of business system, but some communications issues emerged.