The Island's Financial Intelligence Unit says the number of suspicious transactions fell by nine per cent last year.
The organisation's annual report for 2025 says reports of suspected financial crimes fell to 1,627 last year - compared to 1,794 the year before.
Its report says staff in banks and building societies flagged the most cases, and fraud and tax crimes made up the majority of those reports.
But it also says it saw five reports of sanctions breaches and three under anti-terror legislation.
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