QB Issue Resolution:

in QBO it is one subscription for one company

in desktop it is as many companies as your hard drive can hold

Resolution for Issue 'how many co’s can be created in quickbooks for accounting purpose' available: Yes (Solved).
Source: Intuit Community forum.

how many co’s can be created in quickbooks for accounting purpose: this issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.

Support for accounting purpose
Quickbooks Repair Pro will resolve it efficiently and affordably. Guaranteed resolution of your issue, or you pay nothing!

Error Recovery for accounting purpose [Canada]
E-Tech is the #1 Quickbooks data migration and Conversion service provider.

Get 50% off Quickbooks Online

Click Here for 50% off!

Additional Support Options: