MAS Enforcement Actions & Fines | Singapore
Search Monetary Authority of Singapore enforcement actions and financial penalties, with official-source links, case dates, firms and regulatory themes.
Coverage Snapshot
- Regulator: Monetary Authority of Singapore
- Jurisdiction: Singapore
- Tracked period: 2023-2026
- Tracked actions: 27
- Latest tracked action: 2026-06-30
- Default currency: GBP
Use This Data
Open the live RegActions workspace to filter the source records, inspect related firms, compare breach themes, and export the evidence for compliance or board reporting.
Country risk report: Singapore →
Largest enforcement actions
| Firm or individual | Date | Amount | Breach category | Source |
|---|---|---|---|---|
| Credit Suisse AG | 28 Dec 2023 | £2,262,000 | MAS Imposes Civil Penalty of $3.9 million on Credit Suisse AG for Misconduct by its Relationship Managers | Notice |
| JPMorgan Chase Bank, N.A. | 2 Dec 2024 | £1,392,000 | MAS Imposes Civil Penalty of $2.4 Million on JPMorgan Chase Bank, N.A. for Misconduct by its Relationship Managers | Notice |
| Gui Boon Sui | 13 Jan 2025 | £203,000 | Civil Penalty Action Taken against Gui Boon Sui for False Trading and Unauthorised Trading | Notice |
| Mr Pan Qi | 24 Sep 2024 | £69,600 | MAS issues Prohibition Order against Mr Pan Qi for Dishonest Conduct | Notice |
| Tay Joo Heng | 1 Jul 2024 | £40,600 | Civil Penalty Action Taken Against Tay Joo Heng for Insider Trading | Notice |
| Mr Chan Jun Yi, Ms Chanel Quah Hui Wen, Mr Lim Zhan Yi, Ms Sherlin Chia Hee Ping, Mr Tang Hong Kong Jackie, and Ms Yvonne Quah | 1 Jun 2023 | £5,800 | MAS issues Prohibition Orders against six individuals for fraudulent and dishonest conduct | Notice |
| Ms Huang Mengting | 19 Jul 2023 | £1,907 | MAS issues Prohibition Orders against Ms Huang Mengting for Cheating | Notice |
Amounts are normalised to GBP for comparison.
Frequently asked questions
What is the largest MAS fine?
The largest MAS fine currently recorded by RegActions is £2,262,000, issued to Credit Suisse AG on 28 Dec 2023 by the Monetary Authority of Singapore. This reflects amounts that have passed RegActions' amount-review gate; see the MAS fines database below for the complete, source-linked list.
How can I verify a MAS fine?
Start with the firm or individual name, the penalty date and the disclosed amount, then open the linked Monetary Authority of Singapore notice. The notice sets out the rule breaches, the affected period and the sanction. RegActions links every record to its official source; the regulator's own publication remains the authoritative record.