Seven people have been arrested following the seizure of vehicles, high-value goods and €499,000 in cash.
The seizures, carried out by the Criminal Assets Bureau (CAB), took place in Dublin and Wicklow.
This is part of an ongoing intelligence-led operation targeting foreign nationals involved in the laundering of proceeds of crime by Irish crime groups.
In total, the searches took place at eleven sites which included three business premises and eight residential addresses.
CAB were assisted by the Emergency Response Unit, Regional Armed Support Unit, Garda National Immigration Bureau, The Garda National Protective Services Bureau and local district detective units.