Good morning, @tofili-getcarbon. 

Welcome to the Community! Allow me to point you in the right direction to get the expertise you need to integrate Big Query with QuickBooks. 

Even though there isn't a direct way to integrate these, you may be able to perform workarounds to get this to work. 

I recommend contacting Big Query for further assistance on this action. You can also ask out Developers to see about an API or other options through the link below: 

Intuit Developer Help 

Keep us updated on how it goes. We're always here to have your back. Have a wonderful Monday! 

If you need to export the data from QuickBooks to BigQuery, I would recommend trying Coupler.io tool in this case. 

Take a look at Skyvia - it allows you to integrate Bigquery and Quickbooks. ​​​​​​​This is a no-code cloud service