Summarizing all the auditor changes in Q4’2020, EY made the biggest gain with 9 new clients while losing only one client. Deloitte, KPMG, and PwC gained 7,5, and 3 clients respectively. KPMG lost 5 clients in Q4’20 followed by PwC which lost 4 clients.

Here is the list of changes in detail:
| Company | Old Auditor | New Auditor |
|---|---|---|
| Comstock Mining Inc. | Deloitte | DeCoria Maichel |
| Eagle Pharmaceuticals | BDO | EY |
| Adicet Bio Inc | PwC | KPMG |
| Fubo TV Inc | Soldinger | KPMG |
| Strattec Security Corporation | Deloitte | Crowe |
| Velodyne idar | Withum | KPMG |
| Multiplan Corp | Marcum | PwC |
| Lordstown Motors Corp | Withum | KPMG |
| Paya Holdings Inc | Withum | EY |
| Wellbit Inc | PwC | GT |
| PGT Innovations, Inc. | KPMG | EY |
| Shift Technologies Inc. | GT | Deloitte |
| BioCardia, Inc. | KPMG | PKF LLP |
| Enerpac Tool Group | PwC | EY |
| MedAvail Holdings, Inc. | Withum | PwC |
| American Equity Inv. Life | KPMG | EY |
| CIM Commercial Trust Corp | BDO | Deloitte |
| Viatris Inc | KPMG | Deloitte |
| SOC Telemed, Inc. | Marcum | PwC |
| Rexahn Pharmaceuticals | BakerTilly | EY |
| Fisker Inc | Withum | Deloitte |
| MP Materials Corp | Withum | KPMG |
| Morgan Group Holding Co | Deloitte | RSM |
| Regis Corp | PwC | GT |
| Luminar Technologies | KPMG | Deloitte |
| QuantumScape Corp | Marcum | EY |
| Desktop Metal Inc | Marcum | Deloitte |
| OpenDoor Technologies | Marcum | Deloitte |
| Skills Inc | Withum | EY |
| Porch Group | Withum | EY |
| Software Acquisition Group Inc. | EY | Marcum |