Thanks for coming back to the Community, @IslaDuffy.
Right now, disabling the multi-factor verification in the separate pages of a site is unavailable. You can turn it off by going to the Intuit Account Manager, as my colleague mentioned above.
To know more about verification in QuickBooks Online, visit this article: Verify your account with multi-factor authentication.
Also, I've attached these articles about updating business information in QBO for your reference.
Just click the Reply button below if you have other questions about your account. I'm always here to help. Take care!
