The Ministry of Business, Innovation and Employment have useful information for you to consider before you get set up.
• Information on different types of business structures;
• Information on naming your new business;
• Information on registering your new business with the companies office
You can find all of this information here:
Inland Revenue have also developed a number of tools to assist you to set up a new business (and to ensure that you are meeting your tax obligations).
Check them out here:
Information on Business Grants can be found here: