Please visit
www.cic.gc.ca and read about Business class immigration.Canada has three classes of business immigrants:
investors
entrepreneurs and
self-employed persons
You can immigrate as an Investor to start business in Canada. There is no restriction on investment , of legitimate funds in an existing canadian business.However you cannot be a director of an incorporation/company.Only canadian citizens and people legally settled in Canada can become directors.Who will look after your money and interest...if you take such a risk.?