How can I add multiple contacts to vendor profile?

It's nice to have you here in the Community, @lisa-wilcoxlawna. I'd be happy to assist you in putting additional contacts to the vendor profile.

Multiple contact information may be added to the vendor profile in QuickBooks Online by utilizing the custom fields. I'll show you how:

1. Go to the Expenses tab, then select Vendors.
2. Click on the vendor's name, then select the Edit button.
3. The Vendor Information window will pop-up.
4. Scroll down to reach the Custom fields section. Select Add custom field.
5. Type Additional contact info or your desired name in the Name field.
6. Click the Data type dropdown button, choose Number. Select Save.
7. Fill out the contact details in the custom fields you created, then Save.

Additionally, QuickBooks enables you to monitor and update each vendor's records and transaction status. To learn how to track your vendors' transactions, you might want to read this article: View vendor's transactions.

I'd be happy to assist you anytime if you need further assistance managing your vendors in QuickBooks Online. Please don't hesitate to click the Reply button below or post the Community forum again. Have successful year!