| Company type | Subsidiary |
|---|---|
| Industry | Securities services |
| Headquarters | One Congress Street Boston, Massachusetts, U.S. |
| Parent | State Street Corporation |
| Subsidiaries | State Street Global Advisors Trust Company |
State Street Bank and Trust Company (SSBT), commonly known as State Street Global Services, is a subsidiary of State Street Corporation organized as a trust company based in Massachusetts. The company is the largest custodian bank in the world and specializes in providing institutional investors, such as mutual funds, with clearing, settlement and payment services.