The Signature Kit is for a company that needs more than the “predefined settings” than the Standard Package offers. You could still take advantage of most of the out-of-the-box settings of Business Central, but the main difference is that you would apply your own unique Chart of Accounts that enable you to see your financial in a specific way. You can keep this core part of your business, the part that makes you you – your signature.
See Spark365 Signature Kit description for details.
Spark365 kits and licenses are restricted to customers in the United States only.