> For the complete documentation index, see [llms.txt](https://help.usedotted.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.usedotted.com/en/multi-account-architecture/via-join-with-a-pre-existing-org-s.md).

# via 'Join With A Pre-Existing Org(s)'

For customers that have a complex AWS organization setup and are unable to disassociate the accounts from their AWS organization there are paths to successfully onboarding with Dotted. 

These users should contact Dotted via booking a [call](https://calendly.com/usedotted/30min), Slack or email to discuss the pros and cons of each onboarding approach.

{% hint style="info" %}
If you need help with this in the interim, please reach out to us at <support@usedotted.com>
{% endhint %}