Here are some useful links that will help you understand the entire process of incorporating a business in Canada:
Government of Canada's page on starting a business.
Choosing the right structure for your business.
Understanding what permits and licenses you need for a business.
Types of support and financing provided by the Government of Canada to new businesses.
Federal vs. Provincial incorporation.
Choose a business name.
Get a business number.
Immigrating to Canada as an entrepreneur.
Information on business taxation.