you are not clear on the structure here, is there two businesses or one business?

LLC is not a business type, you are a sole proprietor, partnership or corporation for taxes

d/b/a is usually a sole proprietor

If they are two businesses then you need two subscriptions, each company needs its own accounting […]

Resolution for 'conducting business issue: 'I have an LLC & 1 DBA, do I setup Quickbooks as the LLC company or make no mention of that and use only my DBA name for which I’ll be conducting business? Thanks!' available: Yes.

The conducting business issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the conducting business issue yourself by looking for a resolution described in the article. If it is a complex conducting business issue or you are unable to solve the issue, you may contact us by clicking here or by using other conducting business support options.

For more information about resolving issues related to conducting business in Quickbooks/QBO or to get support for the issue 'I have an LLC & 1 DBA, do I setup Quickbooks as the LLC company or make no mention of that and use only my DBA name for which I’ll be conducting business? Thanks!', click the link below: