It is important to know who, in addition to Microsoft, will act as a subcontractor for Microsoft. A new list will be published from time to time and other documents have also been updated:
Update 2022
| 28.01.2022 | Download Microsoft Commercial Support Subcontractors from Official Microsoft Download Center |
| Link broken | aka.ms/Online_Serv_Subcontractor_List |
Updates from June to July 2020
Microsoft Online Services Subprocessors List
Microsoft Managed Desktop – data storage, usage, and security practices (2020-07-29)
Exit Planning for Microsoft Cloud Services.pdf
20200722 – Azure Reg SCI Assessment.pdf
O365 SOC Bridge Letter Q4 2020
and here the list
Microsoft Online Services Subprocessors List
Added on 31 July 2020 – active from 1.2.2021
Subprocessors that provide technologies to power certain Microsoft Online Services
| Subprocessor | Service Provided | Corporate Location | |
| BitDefender | Microsoft Defender ATP for Android | Romania | Customer Data, Pseudonymous |
| Cloud Simple | Azure VMware Solution by Cloudware | United States | Customer Data, Pseudonymous |
Subprocessors that provide additional services to support Microsoft Online Services
| Subprocessor | Service Provided | Corporate Location | |
| Adjust Inc | Teams, Outlook | United States | Pseudonymous |
| Amplitude | MyAnalytics | United States | Pseudonymous |
| Snowflake Inc | Yammer, PlayFab | United States | Pseudonymous |
Subprocessors that provide contract staff
| Subprocessor | Corporate Location | |
| Apex Systems Inc | United States | Pseudonymous |
| Beyond Soft | China | Pseudonymous |
| DXC Technology Company | United States | Pseudonymous |
| E-Search Doo Beogard | Serbia | Pseudonymous, Customer Data |
| Hi-Tech Talents | United States | Pseudonymous |
| Latent View Analytics | United States | Pseudonymous |
| Mu Sigma Inc. | United States | Pseudonymous |
| Teleion Consulting LLC | United States | Pseudonymous |
