Yes. You can customise your order confirmation and customer invoice emails from your Vendor Settings -> Account Settings Page.
In here you will find settings for:
Company Display Name - This name will display on the top left of both emails
Product Website - This link will display directly under your company display name
You can also use your company logo rather than the basic display name. Contact our Success team to get this arranged. Before contacting us, please ensure your company logo meets the following specifications.
Dimensions: Minimum 80x80 Pixels, Maximum 500x500 Pixels
Maximum Size: 5 MB
Image Format: PNG
N.B. Please note that rectangular images work best for our template emails