Effective union dialogue is crucial for successful change management in Sweden. The Chief of Staff (CoS) is responsible for early involvement of union representatives, informing about planned changes, and creating forums for joint analysis and discussion. It is important for the CoS to respect the role of the union and be open to their views and suggestions. By using structured meetings, joint working groups, and clear documentation, the CoS can ensure that the dialogue becomes constructive and that all parties feel heard. The CoS should also work to build long-term relationships with the union based on trust and mutual respect. By combining legal compliance with an inclusive and transparent working method, the CoS can create the conditions for successful change and a good working environment.