Relocation to new office solutions such as activity-based workplaces (ABW) has increased but satisfaction with the ABW among employees varies, and the importance of participation in the relocation process is unclear. This study aimed to examine the association between employees’ extent of participation in the implementation process activities and satisfaction with the relocation to ABW. Data were collected from 699 employees in a Swedish governmental agency 3-months prior to, 3-months and 9-months after relocation to the ABW. Questionnaires were used to assess participation in process activities and perceived satisfaction with knowledge about working in ABW, office rules, and information and support during the process. Participation in activities was significantly associated with higher overall satisfaction with knowledge, office rules, information and support, and effects were generally more pronounced as the number of attended activities increased. Satisfaction also increased among non-participants, although without reaching the same levels as participants. Our results show the importance to offer and facilitate a high participation in the relocation process activities to obtain satisfaction with a relocation to ABW.