See Chapter 8: "How do you create a financial model?" for guidance on how to forecast sales, set prices, plan employment needs and costs, capital expenditure, etc.
It is possible to benchmark your pro-forma financial statement data by type of business, size of business, and by line of business (e.g., industry or NAICS) using these Canadian sources:
It includes information from T1 General Returns and T2 Corporation Income Tax Returns. Note that non-profit organizations may have to file a T2 return if they are incorporated.