After a successful QBO. intuit.login, do follow these steps to contact customer support- firstly, Sign in to QuickBooks Online, now Select Help (?) at the top right. In the QuickBooks Assistant, you should enter the topic you need help with. You can also enter questions. Now, you can also go to Search and then select Contact us to reach out to their support team. You can either start a chat with a support expert or ask the community to get help from businesses like yours.