Sea Alarm was first established in the Netherlands in 1999, and operated under Dutch Law until 2007, when the Sea Alarm Board started the process of transferring the formal seat of Sea Alarm from the Netherlands to Belgium.

Sea Alarm was founded by Royal Decree in Belgium on 17 December 2007 and has been registered as a Public Foundation (no. 0894.810.152) since 21 January 2008.

Sea Alarm is governed by an international Board and the day-to-day management is delegated to the General Manager.