Partner logos are separated by a pipe. The QuickBooks Product Name and logo should always be together on the same side of the pipe.
Intuit product bundles
Intuit logos presented as a bundle on external sites are separated by a plus sign.
When two internal businesses are present (such as QuickBooks and TurboTax), one will take the lead as the main brand the message is coming from. This will be determined by the messaging of the asset. The supporting brand will be displayed as a benefit in context of the asset.