QuickBooks Online 2021 30 day free trial setup. Let’s get into it with Intuit QuickBooks Online 2021. Here we are on the Intuit website Intuit being the owner of QuickBooks, this is the first place I would go for anything that’s going to be QuickBooks related. Because if you just do a search into your favorite browser, such as Google, it might take you to some other websites. And you want to go here first, because this is the source. These are the owners of QuickBooks.