There is no QBO Accountant version to manage QBO Global version for Trinidad and Tobago.
https://quickbooks.grsm.io/South-America
You may have 3 options:
1. Your client use QBO Global version and invite you as a Company Admin. They may set you as the Accountant to save their available seats.
2. Your client use QBD US version and you have the QBD US Accountant version. Both of you may purchase a one time license QBD 2021.
3. You have a one time license of QBD US Accountant version. You may deploy a private cloud at your premise or put your license and company file(s) on a QB cloud hosting. You clients will access their data by internet connection.
