| Name | Role | Address |
| Google Inc. | A provider of business applications (including email and Google Workspace). Hosting data only within the EEA as part of the Google Data Regions mechanism. | 1600 Amphitheatre Parkway, Mountain View, California, USA |
| Hamilton Data Services EOOD | Document storage, archiving, safe destruction of documents and IT data carriers services | 4 Adam Mitckevich str., 1360 Sofia Bulgaria |
| Konica Minolta Business Solutions Bulgaria EOOD | Comprehensive services for printing, copying and scanning documents | 9 Vitoshki Kambani St., fl. 4, Mladost District 1766 Sofia, Bulgaria |
| Bonev Soft Auditing OOD | Book keeping for TAX clients | 10 B Ricardo Vakkakrini Street, office 1, Gotse Delchev, 1404 Sofia, Bulgaria |
| Salesforce | Customer relationship management system | salesforce.com Canada Corporation, a Nova Scotia corporation with offices at 10 Bay Street, Suite 400, Toronto, Ontario M5J 2R8, Canada |
| PricewaterhouseCoopers GmbH Wirtschaftsprüfungsgesellschaft (PwC Global Hosting Center) | CEE PwC Data Center - provider of data hosting services for applications managed by PwC | Frankfurt am Main Friedrich Ebert Anlage 35-37, 60327 Frankfurt am Main, Germany, Germany |
| PricewaterhouseCoopers IT Services Ltd (PwC Global Hosting Service-Cloud Service) | Provider of data hosting services for applications managed by PwC | 1 Embankment Place, London, United Kingdom, WC2N 6RH, UK |
| Microsoft Corporation | One Microsoft Way Redmond Washington 98052-6399, USA | A provider of data hosting services for applications used to provide the service. Hosting data only in the EEA under the Azure Regions mechanism. |