John Costello is an investment adviser representative (IAR) with state registration records since 2022, appearing at 4 firms. Currently registered with ESSEX FINANCIAL SERVICES, INC..
| Firm | From | To | Current |
|---|---|---|---|
| ESSEX FINANCIAL SERVICES, INC. | 2026-03-02 | present | Yes |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | 2025-05-16 | 2026-02-23 | — |
| MARCUM WEALTH, LLC | 2023-06-14 | 2025-05-19 | — |
| ADVICEONE ADVISORY SERVICES, LLC | 2022-05-16 | 2023-05-23 | — |