1) Tap the Settings tab.
2) Tap on Customisation.
3) At the top of this screen, you will see three options under "Company Settings", the first of which is labelled Company Logo. Tap on this.
4) You will see a range of available sizes you can use for your logo.
Note: We recommend you use the highest resolution image available for your logo so that it retains it's quality at all sizes. If the resolution is of your image is too small, your logo will become pixelated when using the larger size options.