PCAOB firm ID 606 · Also written as: GRASSI & CO., CPAs, P.C.; GRASSI & CO., CPAs, P.C; Grassi & Co., CPAs, P.C · Red-flag filings since 2025-04-01 where this firm is identified
| Filed | Company | Event | Severity |
|---|---|---|---|
| 2026-09-30 | Nova Minerals Corp (NVA) | Going-concern doubt | 5 |
| 2026-09-04 | Blue Chip Capital Group Inc. (BCCG) | Going-concern doubt | 5 |
| 2026-04-15 | Global Gas Corp (HGAS) | Going-concern doubt | 5 |
| 2026-03-31 | Range Acquisition Corp. | Going-concern doubt | 5 |
| 2026-03-31 | AgEagle Aerial Systems Inc. (UAVS) | Going-concern doubt | 5 |
| 2026-03-30 | Matternet, Inc. | Going-concern doubt | 5 |
| 2026-03-30 | Var Acquisition Corp. | Going-concern doubt | 5 |
| 2026-03-12 | Hepion Pharmaceuticals, Inc. (HEPA) | Going-concern doubt | 5 |
| 2026-02-27 | Twin Vee PowerCats, Co. (VEEE) | Going-concern doubt | 5 |
| 2026-02-27 | Azitra, Inc. (AZTR) | Going-concern doubt | 5 |
| 2025-12-29 | CEMTREX INC (CETX) | Going-concern doubt | 5 |
| 2025-11-10 | Blue Chip Capital Group Inc. (BCCG) | Going-concern doubt | 5 |
| 2025-09-29 | VIP Play, Inc. (VIPZ) | Going-concern doubt | 5 |
| 2025-04-08 | Hepion Pharmaceuticals, Inc. (HEPA) | Going-concern doubt | 5 |
| 2025-04-04 | Hapi Metaverse Inc. | Going-concern doubt | 5 |
| Filed | Company | Event | Severity |
|---|---|---|---|
| 2026-10-16 | PharmaCyte Biotech, Inc. (PMCB) | Auditor change - dismissed | 3 |
| 2026-09-23 | Bright Mountain Media, Inc. (BMTM) | Auditor change - dismissed | 3 |
| 2026-06-26 | Dominari Holdings Inc. (DOMH) | Auditor change - dismissed | 3 |
| 2026-06-23 | Hawkeye Digital, Inc. (HWKE) | Auditor change - dismissed | 4 |
| 2026-05-06 | MILESTONE SCIENTIFIC INC. (MLSS) | Auditor change - routine (audit-firm merger) | 2 |
| 2026-04-20 | REALLOYS INC. (ALOY) | Auditor change - dismissed | 4 |
| 2026-03-13 | Q/C TECHNOLOGIES, INC. (QCLS) | Auditor change - dismissed | 4 |
| 2025-07-25 | Blue Chip Capital Group Inc. (BCCG) | Auditor change - resigned | 5 |
| 2025-07-09 | AgEagle Aerial Systems Inc. (UAVS) | Auditor change - dismissed | 3 |
Attributions come from the filings themselves (cover-page XBRL auditor tag, the audit report signature, the former auditor's EX-16 letter or the Item 4.01 text) and are shown only when we are confident; coverage is partial. A going-concern paragraph means the auditor flagged the client's financial position; it is not a criticism of the audit firm. Not investment advice.
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