If you have many contacts for a company created in Plannit and would like all invoices to be transferred to the "Company" contact in QuickBooks, simply link the Plannit contact with the Company contact in QuickBooks.
📙 Step-by-step guide
After creating your contact in Plannit (Caroline Pelletier 9191-6734 Quebec inc), click on the Actions button and select Link with QuickBooks contact
In the search line at the top, enter the company name only (9191-6734 Quebec inc).
The company name will appear, click on the Link button. This way, all invoices made in the name of this contact will be entered in QuickBooks under the company contact.