All amounts which you incur as current expenses related to the business are deductible for Canadian income tax purposes. Capital expenditures can be depreciated. If your business never earns a profit the deductions may be challenged on the basis that you have no real business.
"This article provides information of a general nature only. It is only current at the posting date. It is not updated and it may no longer be current. It does not provide legal advice nor can it or should it be relied upon. All tax situations are specific to their facts and will differ from the situations in the articles. If you have specific legal questions you should consult a lawyer."