You can use the instructions in described here https://docs.aws.amazon.com/quicksight/latest/user/custom-visual-content.html
Hi, thank you for your reply. But what I'm looking for is to replace the quick sight logo on the website (the one in the top left corner).
Embedded dashboards could be the solution then. https://developer.quicksight.aws/
These articles below have screenshots of what the end state looks like so you can get an idea whether embedded dashboards could be a good fit to solve your issue.
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