The following are some business and tax related web sites that might be of interest:
1. Canada Revenue Agency
http://www.cra-arc.gc.ca/menu-eng.html
2. Service Canada
http://www.servicecanada.gc.ca/eng/home.shtml
3. Corporate Online
https://www.corporateonline.gov.bc.ca/
4. BC Registry Services
http://www.bcregistryservices.gov.bc.ca/
5. PST Registration
www2.gov.bc.ca/gov/content/taxes/sales-taxes/pst/register/online
6. PST Payment & Reporting
www2.gov.bc.ca/gov/content/taxes/sales-taxes/pst/report-pay
7. WorkSafe BC
8. Business Development Bank of Canada
http://www.bdc.ca/en/home.htm?cookie%5Ftest=1