Starting a Business in Ireland

So you have gone out on your own. You have the CRO registration as a Company, Partnership or a Sole Trader; you have the name, the bank account (and if you don’t there are lots of resources for your; here’s one: http://www.startingabusinessinireland.com/formalities.htm ). And of course you have the idea, product or service, but now what?
Here’s a checklist of things to consider: