There are many lists of best practices for configuring SharePoint but over time many instances of SharePoint veer away from these, especially if many different people have managed them over the years. If you feel you fall into this category or maybe you've recently taken over the management of SharePoint Online, I can give your system a full health check and produce a written report detailing any issues found and possible improvements or fixes.
Examples of information that will be included in the report are:
This report will give you a good overview of the structure and health of your SharePoint Online setup. This can be added to your personal documentation, which you can then update going forward, or if issues are found can help you identify the areas you need to tackle most urgently.